Tutorial for model free SBiNLab

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Background

This is a tutorial for Lau and Kaare in SBiNLab, and hopefully others.

To get inspiration of example scripts files and see how the protocol is performed, have a look here:

  • nmr-relax-code/test_suite/system_tests/scripts/model_free/dauvergne_protocol.py
  • nmr-relax-code/auto_analyses/dauvergne_protocol.py

Scripts

To get the protocol to work, we need to

  • Load a PDB structure
  • Assign the "data structure" in relax through spin-assignments
  • Assign necessary "information" as isotope information to each spin-assignment
  • Read "R1, R2 and NOE" for different magnet field strengths
  • Calculate some properties
  • Check the data
  • Run the protocol

To work most efficiently, it is important to perform each step 1 by 1, and closely inspect the log for any errors.

For similar tutorial, have a look at: Tutorial for model-free analysis sam mahdi

01 - Test load of PDB

First we just want to test to read the PDB file.

01_read_pdb.py

# Python module imports.
from time import asctime, localtime
import os

# relax module imports.
from auto_analyses.dauvergne_protocol import dAuvergne_protocol

# Set up the data pipe.
#######################

# The following sequence of user function calls can be changed as needed.

# Create the data pipe.
bundle_name = "mf (%s)" % asctime(localtime())
name = "origin"
pipe.create(name, 'mf', bundle=bundle_name)

# Load the PDB file.
structure.read_pdb('energy_1.pdb', set_mol_name='ArcCALD', read_model=1)

# Set up the 15N and 1H spins (both backbone and Trp indole sidechains).
structure.load_spins('@N', ave_pos=True)
structure.load_spins('@NE1', ave_pos=True)
structure.load_spins('@H', ave_pos=True)
structure.load_spins('@HE1', ave_pos=True)

# Assign isotopes
spin.isotope('15N', spin_id='@N*')
spin.isotope('1H', spin_id='@H*')

Run with

relax 01_read_pdb.py -t 01_read_pdb.log
Output from logfile
script = '01_read_pdb.py'
----------------------------------------------------------------------------------------------------
# Python module imports.
from time import asctime, localtime
import os

# relax module imports.
from auto_analyses.dauvergne_protocol import dAuvergne_protocol

# Set up the data pipe.
#######################

# The following sequence of user function calls can be changed as needed.

# Create the data pipe.
bundle_name = "mf (%s)" % asctime(localtime())
name = "origin"
pipe.create(name, 'mf', bundle=bundle_name)

# Load the PDB file.
structure.read_pdb('energy_1.pdb', set_mol_name='ArcCALD', read_model=1)

# Set up the 15N and 1H spins (both backbone and Trp indole sidechains).
structure.load_spins('@N', ave_pos=True)
structure.load_spins('@NE1', ave_pos=True)
structure.load_spins('@H', ave_pos=True)
structure.load_spins('@HE1', ave_pos=True)

# Assign isotopes
spin.isotope('15N', spin_id='@N*')
spin.isotope('1H', spin_id='@H*')

----------------------------------------------------------------------------------------------------

relax> pipe.create(pipe_name='origin', pipe_type='mf', bundle='mf (Fri Oct 13 17:44:18 2017)')

relax> structure.read_pdb(file='energy_1.pdb', dir=None, read_mol=None, set_mol_name='ArcCALD', read_model=1, set_model_num=None, alt_loc=None, verbosity=1, merge=False)

Internal relax PDB parser.
Opening the file 'energy_1.pdb' for reading.
RelaxWarning: Cannot determine the element associated with atom 'X'.
RelaxWarning: Cannot determine the element associated with atom 'Z'.
RelaxWarning: Cannot determine the element associated with atom 'OO'.
RelaxWarning: Cannot determine the element associated with atom 'OO2'.
Adding molecule 'ArcCALD' to model 1 (from the original molecule number 1 of model 1).

relax> structure.load_spins(spin_id='@N', from_mols=None, mol_name_target=None, ave_pos=True, spin_num=True)
Adding the following spins to the relax data store.

# mol_name    res_num    res_name    spin_num    spin_name    
REMOVED FROM DISPLAY

relax> structure.load_spins(spin_id='@NE1', from_mols=None, mol_name_target=None, ave_pos=True, spin_num=True)
Adding the following spins to the relax data store.

# mol_name    res_num    res_name    spin_num    spin_name    
REMOVED FROM DISPLAY

relax> structure.load_spins(spin_id='@H', from_mols=None, mol_name_target=None, ave_pos=True, spin_num=True)
Adding the following spins to the relax data store.

# mol_name    res_num    res_name    spin_num    spin_name    
REMOVED FROM DISPLAY

relax> structure.load_spins(spin_id='@HE1', from_mols=None, mol_name_target=None, ave_pos=True, spin_num=True)
Adding the following spins to the relax data store.

# mol_name    res_num    res_name    spin_num    spin_name    
REMOVED FROM DISPLAY

relax> spin.isotope(isotope='15N', spin_id='@N*', force=False)

relax> spin.isotope(isotope='1H', spin_id='@H*', force=False)

02 - Test load of data

That looked to go fine, so let us try to just load data.

02_read_data.py

# Python module imports.
from time import asctime, localtime
import os

# relax module imports.
from auto_analyses.dauvergne_protocol import dAuvergne_protocol

# Set up the data pipe.
#######################

# The following sequence of user function calls can be changed as needed.

# Create the data pipe.
bundle_name = "mf (%s)" % asctime(localtime())
name = "origin"
pipe.create(name, 'mf', bundle=bundle_name)

# Load the PDB file.
structure.read_pdb('energy_1.pdb', set_mol_name='ArcCALD', read_model=1)

# Set up the 15N and 1H spins (both backbone and Trp indole sidechains).
structure.load_spins('@N', ave_pos=True)
structure.load_spins('@NE1', ave_pos=True)
structure.load_spins('@H', ave_pos=True)
structure.load_spins('@HE1', ave_pos=True)

# Assign isotopes
spin.isotope('15N', spin_id='@N*')
spin.isotope('1H', spin_id='@H*')

# Load the relaxation data.
relax_data.read(ri_id='R1_600',  ri_type='R1',  frq=600.17*1e6, file='R1_600MHz_new_model_free.dat',  mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)
relax_data.read(ri_id='R2_600',  ri_type='R2',  frq=600.17*1e6, file='R2_600MHz_new_model_free.dat',  mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)
relax_data.read(ri_id='NOE_600',  ri_type='NOE',  frq=600.17*1e6, file='NOE_600MHz_new.dat',  mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)
relax_data.read(ri_id='R1_750',  ri_type='R1',  frq=750.06*1e6, file='R1_750MHz_model_free.dat',  mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)
relax_data.read(ri_id='R2_750',  ri_type='R2',  frq=750.06*1e6, file='R2_750MHz_model_free.dat',  mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)
relax_data.read(ri_id='NOE_750', ri_type='NOE', frq=750.06*1e6, file='NOE_750MHz.dat', mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)

# Define the magnetic dipole-dipole relaxation interaction.
interatom.define(spin_id1='@N', spin_id2='@H', direct_bond=True)
interatom.define(spin_id1='@NE1', spin_id2='@HE1', direct_bond=True)
interatom.set_dist(spin_id1='@N*', spin_id2='@H*', ave_dist=1.02 * 1e-10)
interatom.unit_vectors()

# Define the chemical shift relaxation interaction.
value.set(-172 * 1e-6, 'csa', spin_id='@N*')

Run with

relax 02_read_data.py -t 02_read_data.log
Output from logfile
script = '02_read_data.py'
----------------------------------------------------------------------------------------------------
# Python module imports.
from time import asctime, localtime
import os

# relax module imports.
from auto_analyses.dauvergne_protocol import dAuvergne_protocol

# Set up the data pipe.
#######################

# The following sequence of user function calls can be changed as needed.

# Create the data pipe.
bundle_name = "mf (%s)" % asctime(localtime())
name = "origin"
pipe.create(name, 'mf', bundle=bundle_name)

# Load the PDB file.
structure.read_pdb('energy_1.pdb', set_mol_name='ArcCALD', read_model=1)

# Set up the 15N and 1H spins (both backbone and Trp indole sidechains).
structure.load_spins('@N', ave_pos=True)
structure.load_spins('@NE1', ave_pos=True)
structure.load_spins('@H', ave_pos=True)
structure.load_spins('@HE1', ave_pos=True)

# Assign isotopes
spin.isotope('15N', spin_id='@N*')
spin.isotope('1H', spin_id='@H*')

# Load the relaxation data.
relax_data.read(ri_id='R1_600',  ri_type='R1',  frq=600.17*1e6, file='R1_600MHz_new_model_free.dat',  mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)
relax_data.read(ri_id='R2_600',  ri_type='R2',  frq=600.17*1e6, file='R2_600MHz_new_model_free.dat',  mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)
relax_data.read(ri_id='NOE_600',  ri_type='NOE',  frq=600.17*1e6, file='NOE_600MHz_new.dat',  mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)
relax_data.read(ri_id='R1_750',  ri_type='R1',  frq=750.06*1e6, file='R1_750MHz_model_free.dat',  mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)
relax_data.read(ri_id='R2_750',  ri_type='R2',  frq=750.06*1e6, file='R2_750MHz_model_free.dat',  mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)
relax_data.read(ri_id='NOE_750', ri_type='NOE', frq=750.06*1e6, file='NOE_750MHz.dat', mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7)

# Define the magnetic dipole-dipole relaxation interaction.
interatom.define(spin_id1='@N', spin_id2='@H', direct_bond=True)
interatom.define(spin_id1='@NE1', spin_id2='@HE1', direct_bond=True)
interatom.set_dist(spin_id1='@N*', spin_id2='@H*', ave_dist=1.02 * 1e-10)
interatom.unit_vectors()

# Define the chemical shift relaxation interaction.
value.set(-172 * 1e-6, 'csa', spin_id='@N*')

----------------------------------------------------------------------------------------------------

relax> pipe.create(pipe_name='origin', pipe_type='mf', bundle='mf (Fri Oct 13 17:51:28 2017)')

relax> structure.read_pdb(file='energy_1.pdb', dir=None, read_mol=None, set_mol_name='ArcCALD', read_model=1, set_model_num=None, alt_loc=None, verbosity=1, merge=False)

Internal relax PDB parser.
Opening the file 'energy_1.pdb' for reading.
RelaxWarning: Cannot determine the element associated with atom 'X'.
RelaxWarning: Cannot determine the element associated with atom 'Z'.
RelaxWarning: Cannot determine the element associated with atom 'OO'.
RelaxWarning: Cannot determine the element associated with atom 'OO2'.
Adding molecule 'ArcCALD' to model 1 (from the original molecule number 1 of model 1).

relax> structure.load_spins(spin_id='@N', from_mols=None, mol_name_target=None, ave_pos=True, spin_num=True)
Adding the following spins to the relax data store.

# mol_name    res_num    res_name    spin_num    spin_name    
REMOVED FROM DISPLAY

relax> structure.load_spins(spin_id='@NE1', from_mols=None, mol_name_target=None, ave_pos=True, spin_num=True)
Adding the following spins to the relax data store.

# mol_name    res_num    res_name    spin_num    spin_name    
REMOVED FROM DISPLAY

relax> structure.load_spins(spin_id='@H', from_mols=None, mol_name_target=None, ave_pos=True, spin_num=True)
Adding the following spins to the relax data store.

# mol_name    res_num    res_name    spin_num    spin_name    
REMOVED FROM DISPLAY

relax> structure.load_spins(spin_id='@HE1', from_mols=None, mol_name_target=None, ave_pos=True, spin_num=True)
Adding the following spins to the relax data store.

# mol_name    res_num    res_name    spin_num    spin_name    
REMOVED FROM DISPLAY

relax> spin.isotope(isotope='15N', spin_id='@N*', force=False)

relax> spin.isotope(isotope='1H', spin_id='@H*', force=False)

relax> relax_data.read(ri_id='R1_600', ri_type='R1', frq=600170000.0, file='R1_600MHz_new_model_free.dat', dir=None, spin_id_col=None, mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7, sep=None, spin_id=None)
Opening the file 'R1_600MHz_new_model_free.dat' for reading.

The following 600.17 MHz R1 relaxation data with the ID 'R1_600' has been loaded into the relax data store:

# Spin_ID          Value       Error       
REMOVED FROM DISPLAY    

relax> relax_data.read(ri_id='R2_600', ri_type='R2', frq=600170000.0, file='R2_600MHz_new_model_free.dat', dir=None, spin_id_col=None, mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7, sep=None, spin_id=None)
Opening the file 'R2_600MHz_new_model_free.dat' for reading.

The following 600.17 MHz R2 relaxation data with the ID 'R2_600' has been loaded into the relax data store:

# Spin_ID          Value        Error       
REMOVED FROM DISPLAY  

relax> relax_data.read(ri_id='NOE_600', ri_type='NOE', frq=600170000.0, file='NOE_600MHz_new.dat', dir=None, spin_id_col=None, mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7, sep=None, spin_id=None)
Opening the file 'NOE_600MHz_new.dat' for reading.

The following 600.17 MHz NOE relaxation data with the ID 'NOE_600' has been loaded into the relax data store:

# Spin_ID          Value        Error    
REMOVED FROM DISPLAY  

relax> relax_data.read(ri_id='R1_750', ri_type='R1', frq=750060000.0, file='R1_750MHz_model_free.dat', dir=None, spin_id_col=None, mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7, sep=None, spin_id=None)
Opening the file 'R1_750MHz_model_free.dat' for reading.

The following 750.06 MHz R1 relaxation data with the ID 'R1_750' has been loaded into the relax data store:

# Spin_ID          Value       Error       
REMOVED FROM DISPLAY  

relax> relax_data.read(ri_id='R2_750', ri_type='R2', frq=750060000.0, file='R2_750MHz_model_free.dat', dir=None, spin_id_col=None, mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7, sep=None, spin_id=None)
Opening the file 'R2_750MHz_model_free.dat' for reading.

The following 750.06 MHz R2 relaxation data with the ID 'R2_750' has been loaded into the relax data store:

# Spin_ID          Value        Error       
REMOVED FROM DISPLAY    

relax> relax_data.read(ri_id='NOE_750', ri_type='NOE', frq=750060000.0, file='NOE_750MHz.dat', dir=None, spin_id_col=None, mol_name_col=1, res_num_col=2, res_name_col=3, spin_num_col=4, spin_name_col=5, data_col=6, error_col=7, sep=None, spin_id=None)
Opening the file 'NOE_750MHz.dat' for reading.

The following 750.06 MHz NOE relaxation data with the ID 'NOE_750' has been loaded into the relax data store:

# Spin_ID          Value        Error    
REMOVED FROM DISPLAY    

relax> interatom.define(spin_id1='@N', spin_id2='@H', direct_bond=True, spin_selection=True, pipe=None)
Interatomic interactions are now defined for the following spins:

# Spin_ID_1         Spin_ID_2           
'#ArcCALD:3@N'      '#ArcCALD:3@H'      
'#ArcCALD:4@N'      '#ArcCALD:4@H'      
'#ArcCALD:5@N'      '#ArcCALD:5@H'      
'#ArcCALD:6@N'      '#ArcCALD:6@H'      
'#ArcCALD:7@N'      '#ArcCALD:7@H'      
'#ArcCALD:8@N'      '#ArcCALD:8@H'      
'#ArcCALD:9@N'      '#ArcCALD:9@H'      
'#ArcCALD:10@N'     '#ArcCALD:10@H'     
'#ArcCALD:11@N'     '#ArcCALD:11@H'     
'#ArcCALD:13@N'     '#ArcCALD:13@H'     
'#ArcCALD:14@N'     '#ArcCALD:14@H'     
'#ArcCALD:15@N'     '#ArcCALD:15@H'     
'#ArcCALD:16@N'     '#ArcCALD:16@H'     
'#ArcCALD:17@N'     '#ArcCALD:17@H'     
'#ArcCALD:18@N'     '#ArcCALD:18@H'     
'#ArcCALD:19@N'     '#ArcCALD:19@H'     
'#ArcCALD:20@N'     '#ArcCALD:20@H'     
'#ArcCALD:21@N'     '#ArcCALD:21@H'     
'#ArcCALD:22@N'     '#ArcCALD:22@H'     
'#ArcCALD:23@N'     '#ArcCALD:23@H'     
'#ArcCALD:24@N'     '#ArcCALD:24@H'     
'#ArcCALD:25@N'     '#ArcCALD:25@H'     
'#ArcCALD:26@N'     '#ArcCALD:26@H'     
'#ArcCALD:27@N'     '#ArcCALD:27@H'     
'#ArcCALD:28@N'     '#ArcCALD:28@H'     
'#ArcCALD:29@N'     '#ArcCALD:29@H'     
'#ArcCALD:30@N'     '#ArcCALD:30@H'     
'#ArcCALD:31@N'     '#ArcCALD:31@H'     
'#ArcCALD:32@N'     '#ArcCALD:32@H'     
'#ArcCALD:33@N'     '#ArcCALD:33@H'     
'#ArcCALD:34@N'     '#ArcCALD:34@H'     
'#ArcCALD:35@N'     '#ArcCALD:35@H'     
'#ArcCALD:36@N'     '#ArcCALD:36@H'     
'#ArcCALD:37@N'     '#ArcCALD:37@H'     
'#ArcCALD:38@N'     '#ArcCALD:38@H'     
'#ArcCALD:39@N'     '#ArcCALD:39@H'     
'#ArcCALD:40@N'     '#ArcCALD:40@H'     
'#ArcCALD:41@N'     '#ArcCALD:41@H'     
'#ArcCALD:42@N'     '#ArcCALD:42@H'     
'#ArcCALD:43@N'     '#ArcCALD:43@H'     
'#ArcCALD:45@N'     '#ArcCALD:45@H'     
'#ArcCALD:46@N'     '#ArcCALD:46@H'     
'#ArcCALD:47@N'     '#ArcCALD:47@H'     
'#ArcCALD:48@N'     '#ArcCALD:48@H'     
'#ArcCALD:49@N'     '#ArcCALD:49@H'     
'#ArcCALD:50@N'     '#ArcCALD:50@H'     
'#ArcCALD:51@N'     '#ArcCALD:51@H'     
'#ArcCALD:52@N'     '#ArcCALD:52@H'     
'#ArcCALD:53@N'     '#ArcCALD:53@H'     
'#ArcCALD:54@N'     '#ArcCALD:54@H'     
'#ArcCALD:55@N'     '#ArcCALD:55@H'     
'#ArcCALD:56@N'     '#ArcCALD:56@H'     
'#ArcCALD:57@N'     '#ArcCALD:57@H'     
'#ArcCALD:58@N'     '#ArcCALD:58@H'     
'#ArcCALD:59@N'     '#ArcCALD:59@H'     
'#ArcCALD:60@N'     '#ArcCALD:60@H'     
'#ArcCALD:61@N'     '#ArcCALD:61@H'     
'#ArcCALD:62@N'     '#ArcCALD:62@H'     
'#ArcCALD:63@N'     '#ArcCALD:63@H'     
'#ArcCALD:64@N'     '#ArcCALD:64@H'     
'#ArcCALD:65@N'     '#ArcCALD:65@H'     
'#ArcCALD:66@N'     '#ArcCALD:66@H'     
'#ArcCALD:67@N'     '#ArcCALD:67@H'     
'#ArcCALD:68@N'     '#ArcCALD:68@H'     
'#ArcCALD:69@N'     '#ArcCALD:69@H'     
'#ArcCALD:70@N'     '#ArcCALD:70@H'     
'#ArcCALD:71@N'     '#ArcCALD:71@H'     
'#ArcCALD:72@N'     '#ArcCALD:72@H'     
'#ArcCALD:73@N'     '#ArcCALD:73@H'     
'#ArcCALD:74@N'     '#ArcCALD:74@H'     
'#ArcCALD:75@N'     '#ArcCALD:75@H'     
'#ArcCALD:76@N'     '#ArcCALD:76@H'     
'#ArcCALD:77@N'     '#ArcCALD:77@H'     
'#ArcCALD:78@N'     '#ArcCALD:78@H'     
'#ArcCALD:79@N'     '#ArcCALD:79@H'     
'#ArcCALD:80@N'     '#ArcCALD:80@H'     
'#ArcCALD:81@N'     '#ArcCALD:81@H'     
'#ArcCALD:82@N'     '#ArcCALD:82@H'     
'#ArcCALD:83@N'     '#ArcCALD:83@H'     
'#ArcCALD:84@N'     '#ArcCALD:84@H'     
'#ArcCALD:85@N'     '#ArcCALD:85@H'     
'#ArcCALD:87@N'     '#ArcCALD:87@H'     
'#ArcCALD:88@N'     '#ArcCALD:88@H'     
'#ArcCALD:89@N'     '#ArcCALD:89@H'     
'#ArcCALD:90@N'     '#ArcCALD:90@H'     
'#ArcCALD:91@N'     '#ArcCALD:91@H'     
'#ArcCALD:93@N'     '#ArcCALD:93@H'     
'#ArcCALD:94@N'     '#ArcCALD:94@H'     
'#ArcCALD:95@N'     '#ArcCALD:95@H'     
'#ArcCALD:96@N'     '#ArcCALD:96@H'     
'#ArcCALD:97@N'     '#ArcCALD:97@H'     
'#ArcCALD:98@N'     '#ArcCALD:98@H'     
'#ArcCALD:99@N'     '#ArcCALD:99@H'     
'#ArcCALD:100@N'    '#ArcCALD:100@H'    
'#ArcCALD:101@N'    '#ArcCALD:101@H'    
'#ArcCALD:102@N'    '#ArcCALD:102@H'    
'#ArcCALD:103@N'    '#ArcCALD:103@H'    
'#ArcCALD:104@N'    '#ArcCALD:104@H'    
'#ArcCALD:105@N'    '#ArcCALD:105@H'    
'#ArcCALD:106@N'    '#ArcCALD:106@H'    
'#ArcCALD:107@N'    '#ArcCALD:107@H'    
'#ArcCALD:108@N'    '#ArcCALD:108@H'    
'#ArcCALD:109@N'    '#ArcCALD:109@H'    
'#ArcCALD:110@N'    '#ArcCALD:110@H'    
'#ArcCALD:111@N'    '#ArcCALD:111@H'    
'#ArcCALD:112@N'    '#ArcCALD:112@H'    
'#ArcCALD:113@N'    '#ArcCALD:113@H'    
'#ArcCALD:114@N'    '#ArcCALD:114@H'    
'#ArcCALD:115@N'    '#ArcCALD:115@H'    
'#ArcCALD:116@N'    '#ArcCALD:116@H'    
'#ArcCALD:117@N'    '#ArcCALD:117@H'    
'#ArcCALD:118@N'    '#ArcCALD:118@H'    
'#ArcCALD:119@N'    '#ArcCALD:119@H'    
'#ArcCALD:120@N'    '#ArcCALD:120@H'    
'#ArcCALD:121@N'    '#ArcCALD:121@H'    
'#ArcCALD:122@N'    '#ArcCALD:122@H'    
'#ArcCALD:123@N'    '#ArcCALD:123@H'    
'#ArcCALD:124@N'    '#ArcCALD:124@H'    
'#ArcCALD:125@N'    '#ArcCALD:125@H'    
'#ArcCALD:127@N'    '#ArcCALD:127@H'    
'#ArcCALD:128@N'    '#ArcCALD:128@H'    
'#ArcCALD:129@N'    '#ArcCALD:129@H'    
'#ArcCALD:130@N'    '#ArcCALD:130@H'    
'#ArcCALD:131@N'    '#ArcCALD:131@H'    
'#ArcCALD:132@N'    '#ArcCALD:132@H'    
'#ArcCALD:133@N'    '#ArcCALD:133@H'    
'#ArcCALD:134@N'    '#ArcCALD:134@H'    
'#ArcCALD:136@N'    '#ArcCALD:136@H'    
'#ArcCALD:138@N'    '#ArcCALD:138@H'    
'#ArcCALD:139@N'    '#ArcCALD:139@H'    
'#ArcCALD:140@N'    '#ArcCALD:140@H'    
'#ArcCALD:141@N'    '#ArcCALD:141@H'    
'#ArcCALD:142@N'    '#ArcCALD:142@H'    
'#ArcCALD:143@N'    '#ArcCALD:143@H'    
'#ArcCALD:144@N'    '#ArcCALD:144@H'    
'#ArcCALD:145@N'    '#ArcCALD:145@H'    
'#ArcCALD:146@N'    '#ArcCALD:146@H'    
'#ArcCALD:147@N'    '#ArcCALD:147@H'    
'#ArcCALD:148@N'    '#ArcCALD:148@H'    
'#ArcCALD:149@N'    '#ArcCALD:149@H'    
'#ArcCALD:150@N'    '#ArcCALD:150@H'    
'#ArcCALD:151@N'    '#ArcCALD:151@H'    
'#ArcCALD:152@N'    '#ArcCALD:152@H'    
'#ArcCALD:153@N'    '#ArcCALD:153@H'    
'#ArcCALD:154@N'    '#ArcCALD:154@H'    
'#ArcCALD:155@N'    '#ArcCALD:155@H'    
'#ArcCALD:156@N'    '#ArcCALD:156@H'    
'#ArcCALD:157@N'    '#ArcCALD:157@H'    
'#ArcCALD:158@N'    '#ArcCALD:158@H'    
'#ArcCALD:159@N'    '#ArcCALD:159@H'    

relax> interatom.define(spin_id1='@NE1', spin_id2='@HE1', direct_bond=True, spin_selection=True, pipe=None)
Interatomic interactions are now defined for the following spins:

# Spin_ID_1          Spin_ID_2            
'#ArcCALD:33@NE1'    '#ArcCALD:33@HE1'    
'#ArcCALD:48@NE1'    '#ArcCALD:48@HE1'    
'#ArcCALD:49@NE1'    '#ArcCALD:49@HE1'    
'#ArcCALD:59@NE1'    '#ArcCALD:59@HE1'    
'#ArcCALD:98@NE1'    '#ArcCALD:98@HE1'    

relax> interatom.set_dist(spin_id1='@N*', spin_id2='@H*', ave_dist=1.0200000000000001e-10, unit='meter')
The following averaged distances have been set:

# Spin_ID_1          Spin_ID_2            Ave_distance(meters)      
'#ArcCALD:3@N'       '#ArcCALD:3@H'       1.0200000000000001e-10    
'#ArcCALD:4@N'       '#ArcCALD:4@H'       1.0200000000000001e-10    
'#ArcCALD:5@N'       '#ArcCALD:5@H'       1.0200000000000001e-10    
'#ArcCALD:6@N'       '#ArcCALD:6@H'       1.0200000000000001e-10    
'#ArcCALD:7@N'       '#ArcCALD:7@H'       1.0200000000000001e-10    
'#ArcCALD:8@N'       '#ArcCALD:8@H'       1.0200000000000001e-10    
'#ArcCALD:9@N'       '#ArcCALD:9@H'       1.0200000000000001e-10    
'#ArcCALD:10@N'      '#ArcCALD:10@H'      1.0200000000000001e-10    
'#ArcCALD:11@N'      '#ArcCALD:11@H'      1.0200000000000001e-10    
'#ArcCALD:13@N'      '#ArcCALD:13@H'      1.0200000000000001e-10    
'#ArcCALD:14@N'      '#ArcCALD:14@H'      1.0200000000000001e-10    
'#ArcCALD:15@N'      '#ArcCALD:15@H'      1.0200000000000001e-10    
'#ArcCALD:16@N'      '#ArcCALD:16@H'      1.0200000000000001e-10    
'#ArcCALD:17@N'      '#ArcCALD:17@H'      1.0200000000000001e-10    
'#ArcCALD:18@N'      '#ArcCALD:18@H'      1.0200000000000001e-10    
'#ArcCALD:19@N'      '#ArcCALD:19@H'      1.0200000000000001e-10    
'#ArcCALD:20@N'      '#ArcCALD:20@H'      1.0200000000000001e-10    
'#ArcCALD:21@N'      '#ArcCALD:21@H'      1.0200000000000001e-10    
'#ArcCALD:22@N'      '#ArcCALD:22@H'      1.0200000000000001e-10    
'#ArcCALD:23@N'      '#ArcCALD:23@H'      1.0200000000000001e-10    
'#ArcCALD:24@N'      '#ArcCALD:24@H'      1.0200000000000001e-10    
'#ArcCALD:25@N'      '#ArcCALD:25@H'      1.0200000000000001e-10    
'#ArcCALD:26@N'      '#ArcCALD:26@H'      1.0200000000000001e-10    
'#ArcCALD:27@N'      '#ArcCALD:27@H'      1.0200000000000001e-10    
'#ArcCALD:28@N'      '#ArcCALD:28@H'      1.0200000000000001e-10    
'#ArcCALD:29@N'      '#ArcCALD:29@H'      1.0200000000000001e-10    
'#ArcCALD:30@N'      '#ArcCALD:30@H'      1.0200000000000001e-10    
'#ArcCALD:31@N'      '#ArcCALD:31@H'      1.0200000000000001e-10    
'#ArcCALD:32@N'      '#ArcCALD:32@H'      1.0200000000000001e-10    
'#ArcCALD:33@N'      '#ArcCALD:33@H'      1.0200000000000001e-10    
'#ArcCALD:34@N'      '#ArcCALD:34@H'      1.0200000000000001e-10    
'#ArcCALD:35@N'      '#ArcCALD:35@H'      1.0200000000000001e-10    
'#ArcCALD:36@N'      '#ArcCALD:36@H'      1.0200000000000001e-10    
'#ArcCALD:37@N'      '#ArcCALD:37@H'      1.0200000000000001e-10    
'#ArcCALD:38@N'      '#ArcCALD:38@H'      1.0200000000000001e-10    
'#ArcCALD:39@N'      '#ArcCALD:39@H'      1.0200000000000001e-10    
'#ArcCALD:40@N'      '#ArcCALD:40@H'      1.0200000000000001e-10    
'#ArcCALD:41@N'      '#ArcCALD:41@H'      1.0200000000000001e-10    
'#ArcCALD:42@N'      '#ArcCALD:42@H'      1.0200000000000001e-10    
'#ArcCALD:43@N'      '#ArcCALD:43@H'      1.0200000000000001e-10    
'#ArcCALD:45@N'      '#ArcCALD:45@H'      1.0200000000000001e-10    
'#ArcCALD:46@N'      '#ArcCALD:46@H'      1.0200000000000001e-10    
'#ArcCALD:47@N'      '#ArcCALD:47@H'      1.0200000000000001e-10    
'#ArcCALD:48@N'      '#ArcCALD:48@H'      1.0200000000000001e-10    
'#ArcCALD:49@N'      '#ArcCALD:49@H'      1.0200000000000001e-10    
'#ArcCALD:50@N'      '#ArcCALD:50@H'      1.0200000000000001e-10    
'#ArcCALD:51@N'      '#ArcCALD:51@H'      1.0200000000000001e-10    
'#ArcCALD:52@N'      '#ArcCALD:52@H'      1.0200000000000001e-10    
'#ArcCALD:53@N'      '#ArcCALD:53@H'      1.0200000000000001e-10    
'#ArcCALD:54@N'      '#ArcCALD:54@H'      1.0200000000000001e-10    
'#ArcCALD:55@N'      '#ArcCALD:55@H'      1.0200000000000001e-10    
'#ArcCALD:56@N'      '#ArcCALD:56@H'      1.0200000000000001e-10    
'#ArcCALD:57@N'      '#ArcCALD:57@H'      1.0200000000000001e-10    
'#ArcCALD:58@N'      '#ArcCALD:58@H'      1.0200000000000001e-10    
'#ArcCALD:59@N'      '#ArcCALD:59@H'      1.0200000000000001e-10    
'#ArcCALD:60@N'      '#ArcCALD:60@H'      1.0200000000000001e-10    
'#ArcCALD:61@N'      '#ArcCALD:61@H'      1.0200000000000001e-10    
'#ArcCALD:62@N'      '#ArcCALD:62@H'      1.0200000000000001e-10    
'#ArcCALD:63@N'      '#ArcCALD:63@H'      1.0200000000000001e-10    
'#ArcCALD:64@N'      '#ArcCALD:64@H'      1.0200000000000001e-10    
'#ArcCALD:65@N'      '#ArcCALD:65@H'      1.0200000000000001e-10    
'#ArcCALD:66@N'      '#ArcCALD:66@H'      1.0200000000000001e-10    
'#ArcCALD:67@N'      '#ArcCALD:67@H'      1.0200000000000001e-10    
'#ArcCALD:68@N'      '#ArcCALD:68@H'      1.0200000000000001e-10    
'#ArcCALD:69@N'      '#ArcCALD:69@H'      1.0200000000000001e-10    
'#ArcCALD:70@N'      '#ArcCALD:70@H'      1.0200000000000001e-10    
'#ArcCALD:71@N'      '#ArcCALD:71@H'      1.0200000000000001e-10    
'#ArcCALD:72@N'      '#ArcCALD:72@H'      1.0200000000000001e-10    
'#ArcCALD:73@N'      '#ArcCALD:73@H'      1.0200000000000001e-10    
'#ArcCALD:74@N'      '#ArcCALD:74@H'      1.0200000000000001e-10    
'#ArcCALD:75@N'      '#ArcCALD:75@H'      1.0200000000000001e-10    
'#ArcCALD:76@N'      '#ArcCALD:76@H'      1.0200000000000001e-10    
'#ArcCALD:77@N'      '#ArcCALD:77@H'      1.0200000000000001e-10    
'#ArcCALD:78@N'      '#ArcCALD:78@H'      1.0200000000000001e-10    
'#ArcCALD:79@N'      '#ArcCALD:79@H'      1.0200000000000001e-10    
'#ArcCALD:80@N'      '#ArcCALD:80@H'      1.0200000000000001e-10    
'#ArcCALD:81@N'      '#ArcCALD:81@H'      1.0200000000000001e-10    
'#ArcCALD:82@N'      '#ArcCALD:82@H'      1.0200000000000001e-10    
'#ArcCALD:83@N'      '#ArcCALD:83@H'      1.0200000000000001e-10    
'#ArcCALD:84@N'      '#ArcCALD:84@H'      1.0200000000000001e-10    
'#ArcCALD:85@N'      '#ArcCALD:85@H'      1.0200000000000001e-10    
'#ArcCALD:87@N'      '#ArcCALD:87@H'      1.0200000000000001e-10    
'#ArcCALD:88@N'      '#ArcCALD:88@H'      1.0200000000000001e-10    
'#ArcCALD:89@N'      '#ArcCALD:89@H'      1.0200000000000001e-10    
'#ArcCALD:90@N'      '#ArcCALD:90@H'      1.0200000000000001e-10    
'#ArcCALD:91@N'      '#ArcCALD:91@H'      1.0200000000000001e-10    
'#ArcCALD:93@N'      '#ArcCALD:93@H'      1.0200000000000001e-10    
'#ArcCALD:94@N'      '#ArcCALD:94@H'      1.0200000000000001e-10    
'#ArcCALD:95@N'      '#ArcCALD:95@H'      1.0200000000000001e-10    
'#ArcCALD:96@N'      '#ArcCALD:96@H'      1.0200000000000001e-10    
'#ArcCALD:97@N'      '#ArcCALD:97@H'      1.0200000000000001e-10    
'#ArcCALD:98@N'      '#ArcCALD:98@H'      1.0200000000000001e-10    
'#ArcCALD:99@N'      '#ArcCALD:99@H'      1.0200000000000001e-10    
'#ArcCALD:100@N'     '#ArcCALD:100@H'     1.0200000000000001e-10    
'#ArcCALD:101@N'     '#ArcCALD:101@H'     1.0200000000000001e-10    
'#ArcCALD:102@N'     '#ArcCALD:102@H'     1.0200000000000001e-10    
'#ArcCALD:103@N'     '#ArcCALD:103@H'     1.0200000000000001e-10    
'#ArcCALD:104@N'     '#ArcCALD:104@H'     1.0200000000000001e-10    
'#ArcCALD:105@N'     '#ArcCALD:105@H'     1.0200000000000001e-10    
'#ArcCALD:106@N'     '#ArcCALD:106@H'     1.0200000000000001e-10    
'#ArcCALD:107@N'     '#ArcCALD:107@H'     1.0200000000000001e-10    
'#ArcCALD:108@N'     '#ArcCALD:108@H'     1.0200000000000001e-10    
'#ArcCALD:109@N'     '#ArcCALD:109@H'     1.0200000000000001e-10    
'#ArcCALD:110@N'     '#ArcCALD:110@H'     1.0200000000000001e-10    
'#ArcCALD:111@N'     '#ArcCALD:111@H'     1.0200000000000001e-10    
'#ArcCALD:112@N'     '#ArcCALD:112@H'     1.0200000000000001e-10    
'#ArcCALD:113@N'     '#ArcCALD:113@H'     1.0200000000000001e-10    
'#ArcCALD:114@N'     '#ArcCALD:114@H'     1.0200000000000001e-10    
'#ArcCALD:115@N'     '#ArcCALD:115@H'     1.0200000000000001e-10    
'#ArcCALD:116@N'     '#ArcCALD:116@H'     1.0200000000000001e-10    
'#ArcCALD:117@N'     '#ArcCALD:117@H'     1.0200000000000001e-10    
'#ArcCALD:118@N'     '#ArcCALD:118@H'     1.0200000000000001e-10    
'#ArcCALD:119@N'     '#ArcCALD:119@H'     1.0200000000000001e-10    
'#ArcCALD:120@N'     '#ArcCALD:120@H'     1.0200000000000001e-10    
'#ArcCALD:121@N'     '#ArcCALD:121@H'     1.0200000000000001e-10    
'#ArcCALD:122@N'     '#ArcCALD:122@H'     1.0200000000000001e-10    
'#ArcCALD:123@N'     '#ArcCALD:123@H'     1.0200000000000001e-10    
'#ArcCALD:124@N'     '#ArcCALD:124@H'     1.0200000000000001e-10    
'#ArcCALD:125@N'     '#ArcCALD:125@H'     1.0200000000000001e-10    
'#ArcCALD:127@N'     '#ArcCALD:127@H'     1.0200000000000001e-10    
'#ArcCALD:128@N'     '#ArcCALD:128@H'     1.0200000000000001e-10    
'#ArcCALD:129@N'     '#ArcCALD:129@H'     1.0200000000000001e-10    
'#ArcCALD:130@N'     '#ArcCALD:130@H'     1.0200000000000001e-10    
'#ArcCALD:131@N'     '#ArcCALD:131@H'     1.0200000000000001e-10    
'#ArcCALD:132@N'     '#ArcCALD:132@H'     1.0200000000000001e-10    
'#ArcCALD:133@N'     '#ArcCALD:133@H'     1.0200000000000001e-10    
'#ArcCALD:134@N'     '#ArcCALD:134@H'     1.0200000000000001e-10    
'#ArcCALD:136@N'     '#ArcCALD:136@H'     1.0200000000000001e-10    
'#ArcCALD:138@N'     '#ArcCALD:138@H'     1.0200000000000001e-10    
'#ArcCALD:139@N'     '#ArcCALD:139@H'     1.0200000000000001e-10    
'#ArcCALD:140@N'     '#ArcCALD:140@H'     1.0200000000000001e-10    
'#ArcCALD:141@N'     '#ArcCALD:141@H'     1.0200000000000001e-10    
'#ArcCALD:142@N'     '#ArcCALD:142@H'     1.0200000000000001e-10    
'#ArcCALD:143@N'     '#ArcCALD:143@H'     1.0200000000000001e-10    
'#ArcCALD:144@N'     '#ArcCALD:144@H'     1.0200000000000001e-10    
'#ArcCALD:145@N'     '#ArcCALD:145@H'     1.0200000000000001e-10    
'#ArcCALD:146@N'     '#ArcCALD:146@H'     1.0200000000000001e-10    
'#ArcCALD:147@N'     '#ArcCALD:147@H'     1.0200000000000001e-10    
'#ArcCALD:148@N'     '#ArcCALD:148@H'     1.0200000000000001e-10    
'#ArcCALD:149@N'     '#ArcCALD:149@H'     1.0200000000000001e-10    
'#ArcCALD:150@N'     '#ArcCALD:150@H'     1.0200000000000001e-10    
'#ArcCALD:151@N'     '#ArcCALD:151@H'     1.0200000000000001e-10    
'#ArcCALD:152@N'     '#ArcCALD:152@H'     1.0200000000000001e-10    
'#ArcCALD:153@N'     '#ArcCALD:153@H'     1.0200000000000001e-10    
'#ArcCALD:154@N'     '#ArcCALD:154@H'     1.0200000000000001e-10    
'#ArcCALD:155@N'     '#ArcCALD:155@H'     1.0200000000000001e-10    
'#ArcCALD:156@N'     '#ArcCALD:156@H'     1.0200000000000001e-10    
'#ArcCALD:157@N'     '#ArcCALD:157@H'     1.0200000000000001e-10    
'#ArcCALD:158@N'     '#ArcCALD:158@H'     1.0200000000000001e-10    
'#ArcCALD:159@N'     '#ArcCALD:159@H'     1.0200000000000001e-10    
'#ArcCALD:33@NE1'    '#ArcCALD:33@HE1'    1.0200000000000001e-10    
'#ArcCALD:48@NE1'    '#ArcCALD:48@HE1'    1.0200000000000001e-10    
'#ArcCALD:49@NE1'    '#ArcCALD:49@HE1'    1.0200000000000001e-10    
'#ArcCALD:59@NE1'    '#ArcCALD:59@HE1'    1.0200000000000001e-10    
'#ArcCALD:98@NE1'    '#ArcCALD:98@HE1'    1.0200000000000001e-10    

relax> interatom.unit_vectors(ave=True)
Averaging all vectors.
Calculated 1 N-H unit vector between the spins '#ArcCALD:3@N' and '#ArcCALD:3@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:4@N' and '#ArcCALD:4@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:5@N' and '#ArcCALD:5@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:6@N' and '#ArcCALD:6@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:7@N' and '#ArcCALD:7@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:8@N' and '#ArcCALD:8@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:9@N' and '#ArcCALD:9@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:10@N' and '#ArcCALD:10@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:11@N' and '#ArcCALD:11@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:13@N' and '#ArcCALD:13@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:14@N' and '#ArcCALD:14@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:15@N' and '#ArcCALD:15@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:16@N' and '#ArcCALD:16@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:17@N' and '#ArcCALD:17@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:18@N' and '#ArcCALD:18@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:19@N' and '#ArcCALD:19@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:20@N' and '#ArcCALD:20@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:21@N' and '#ArcCALD:21@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:22@N' and '#ArcCALD:22@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:23@N' and '#ArcCALD:23@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:24@N' and '#ArcCALD:24@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:25@N' and '#ArcCALD:25@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:26@N' and '#ArcCALD:26@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:27@N' and '#ArcCALD:27@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:28@N' and '#ArcCALD:28@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:29@N' and '#ArcCALD:29@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:30@N' and '#ArcCALD:30@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:31@N' and '#ArcCALD:31@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:32@N' and '#ArcCALD:32@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:33@N' and '#ArcCALD:33@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:34@N' and '#ArcCALD:34@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:35@N' and '#ArcCALD:35@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:36@N' and '#ArcCALD:36@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:37@N' and '#ArcCALD:37@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:38@N' and '#ArcCALD:38@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:39@N' and '#ArcCALD:39@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:40@N' and '#ArcCALD:40@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:41@N' and '#ArcCALD:41@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:42@N' and '#ArcCALD:42@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:43@N' and '#ArcCALD:43@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:45@N' and '#ArcCALD:45@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:46@N' and '#ArcCALD:46@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:47@N' and '#ArcCALD:47@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:48@N' and '#ArcCALD:48@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:49@N' and '#ArcCALD:49@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:50@N' and '#ArcCALD:50@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:51@N' and '#ArcCALD:51@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:52@N' and '#ArcCALD:52@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:53@N' and '#ArcCALD:53@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:54@N' and '#ArcCALD:54@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:55@N' and '#ArcCALD:55@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:56@N' and '#ArcCALD:56@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:57@N' and '#ArcCALD:57@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:58@N' and '#ArcCALD:58@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:59@N' and '#ArcCALD:59@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:60@N' and '#ArcCALD:60@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:61@N' and '#ArcCALD:61@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:62@N' and '#ArcCALD:62@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:63@N' and '#ArcCALD:63@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:64@N' and '#ArcCALD:64@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:65@N' and '#ArcCALD:65@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:66@N' and '#ArcCALD:66@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:67@N' and '#ArcCALD:67@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:68@N' and '#ArcCALD:68@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:69@N' and '#ArcCALD:69@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:70@N' and '#ArcCALD:70@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:71@N' and '#ArcCALD:71@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:72@N' and '#ArcCALD:72@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:73@N' and '#ArcCALD:73@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:74@N' and '#ArcCALD:74@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:75@N' and '#ArcCALD:75@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:76@N' and '#ArcCALD:76@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:77@N' and '#ArcCALD:77@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:78@N' and '#ArcCALD:78@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:79@N' and '#ArcCALD:79@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:80@N' and '#ArcCALD:80@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:81@N' and '#ArcCALD:81@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:82@N' and '#ArcCALD:82@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:83@N' and '#ArcCALD:83@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:84@N' and '#ArcCALD:84@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:85@N' and '#ArcCALD:85@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:87@N' and '#ArcCALD:87@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:88@N' and '#ArcCALD:88@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:89@N' and '#ArcCALD:89@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:90@N' and '#ArcCALD:90@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:91@N' and '#ArcCALD:91@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:93@N' and '#ArcCALD:93@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:94@N' and '#ArcCALD:94@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:95@N' and '#ArcCALD:95@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:96@N' and '#ArcCALD:96@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:97@N' and '#ArcCALD:97@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:98@N' and '#ArcCALD:98@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:99@N' and '#ArcCALD:99@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:100@N' and '#ArcCALD:100@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:101@N' and '#ArcCALD:101@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:102@N' and '#ArcCALD:102@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:103@N' and '#ArcCALD:103@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:104@N' and '#ArcCALD:104@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:105@N' and '#ArcCALD:105@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:106@N' and '#ArcCALD:106@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:107@N' and '#ArcCALD:107@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:108@N' and '#ArcCALD:108@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:109@N' and '#ArcCALD:109@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:110@N' and '#ArcCALD:110@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:111@N' and '#ArcCALD:111@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:112@N' and '#ArcCALD:112@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:113@N' and '#ArcCALD:113@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:114@N' and '#ArcCALD:114@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:115@N' and '#ArcCALD:115@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:116@N' and '#ArcCALD:116@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:117@N' and '#ArcCALD:117@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:118@N' and '#ArcCALD:118@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:119@N' and '#ArcCALD:119@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:120@N' and '#ArcCALD:120@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:121@N' and '#ArcCALD:121@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:122@N' and '#ArcCALD:122@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:123@N' and '#ArcCALD:123@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:124@N' and '#ArcCALD:124@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:125@N' and '#ArcCALD:125@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:127@N' and '#ArcCALD:127@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:128@N' and '#ArcCALD:128@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:129@N' and '#ArcCALD:129@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:130@N' and '#ArcCALD:130@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:131@N' and '#ArcCALD:131@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:132@N' and '#ArcCALD:132@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:133@N' and '#ArcCALD:133@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:134@N' and '#ArcCALD:134@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:136@N' and '#ArcCALD:136@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:138@N' and '#ArcCALD:138@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:139@N' and '#ArcCALD:139@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:140@N' and '#ArcCALD:140@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:141@N' and '#ArcCALD:141@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:142@N' and '#ArcCALD:142@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:143@N' and '#ArcCALD:143@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:144@N' and '#ArcCALD:144@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:145@N' and '#ArcCALD:145@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:146@N' and '#ArcCALD:146@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:147@N' and '#ArcCALD:147@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:148@N' and '#ArcCALD:148@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:149@N' and '#ArcCALD:149@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:150@N' and '#ArcCALD:150@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:151@N' and '#ArcCALD:151@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:152@N' and '#ArcCALD:152@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:153@N' and '#ArcCALD:153@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:154@N' and '#ArcCALD:154@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:155@N' and '#ArcCALD:155@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:156@N' and '#ArcCALD:156@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:157@N' and '#ArcCALD:157@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:158@N' and '#ArcCALD:158@H'.
Calculated 1 N-H unit vector between the spins '#ArcCALD:159@N' and '#ArcCALD:159@H'.
Calculated 1 NE1-HE1 unit vector between the spins '#ArcCALD:33@NE1' and '#ArcCALD:33@HE1'.
Calculated 1 NE1-HE1 unit vector between the spins '#ArcCALD:48@NE1' and '#ArcCALD:48@HE1'.
Calculated 1 NE1-HE1 unit vector between the spins '#ArcCALD:49@NE1' and '#ArcCALD:49@HE1'.
Calculated 1 NE1-HE1 unit vector between the spins '#ArcCALD:59@NE1' and '#ArcCALD:59@HE1'.
Calculated 1 NE1-HE1 unit vector between the spins '#ArcCALD:98@NE1' and '#ArcCALD:98@HE1'.

relax> value.set(val=-0.00017199999999999998, param='csa', index=0, spin_id='@N*', error=False, force=True)

See also