***  For details on how to be removed from this list visit the  ***
***          CCP4 home page http://www.ccp4.ac.uk         ***


We have a covalently modified amino acid side chain. We're trying to generate a link for REFMAC refinement, but failing so far. Wit's end is within sight. Any suggestions?
Thanks,

Pat

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

THIS IS THE ERROR:


FORMATTED      OLD     file opened on unit  45
Logical name: ATOMSF, Filename: /usr/local/programs/CCP4/ccp4-5.0.2/lib/data/atomsf.lib


ERR: item _chem_link_bond.link_id :DS not found in the list of links
  BLOCK :data_link_DS
************************************************************************ ***
* Information from CCP4Interface script
************************************************************************ ***
The program run with command: refmac5 XYZIN etc. etc. etc
has failed with error message
Floating Exception


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

THIS IS WHAT WE HAVE AT THE END OF OUR LIBRARY FILE:


#   ---   LIST OF LINKS ---

data_link_list
loop_
_chem_link.id
_chem_link.name
_chem_link.comp_id_1
_chem_link.mod_id_1
_chem_link.group_comp_1
_chem_link.comp_id_2
_chem_link.mod_id_2
_chem_link.group_comp_2
 DS       AttachD-S        DRG   .  .        SER   .  .
#
# --- DESCRIPTION OF LINKS ---
#
data_link_DS
#
loop_
_chem_link_bond.link_id
_chem_link_bond.atom_1_comp_id
_chem_link_bond.atom_id_1
_chem_link_bond.atom_2_comp_id
_chem_link_bond.atom_id_2
_chem_link_bond.type
_chem_link_bond.value_dist
_chem_link_bond.value_dist_esd
 DS       1 CAA    2 OG      single      1.450    0.020
loop_
_chem_link_angle.link_id
_chem_link_angle.atom_1_comp_id
_chem_link_angle.atom_id_1
_chem_link_angle.atom_2_comp_id
_chem_link_angle.atom_id_2
_chem_link_angle.atom_3_comp_id
_chem_link_angle.atom_id_3
_chem_link_angle.value_angle
_chem_link_angle.value_angle_esd
 DS       1 CIA    1 CAA    2 OG    109.500    3.000
 DS       1 CAA    2  OG    2 CB    109.500    3.000
loop_
_chem_link_tor.link_id
_chem_link_tor.id
_chem_link_tor.atom_1_comp_id
_chem_link_tor.atom_id_1
_chem_link_tor.atom_2_comp_id
_chem_link_tor.atom_id_2
_chem_link_tor.atom_3_comp_id
_chem_link_tor.atom_id_3
_chem_link_tor.atom_4_comp_id
_chem_link_tor.atom_id_4
_chem_link_tor.value_angle
_chem_link_tor.value_angle_esd
_chem_link_tor.period
 DS    co    1 CIA   1 CAA   2 OG   2 CB   90.00  10.0 2
#
# ---------------

------------------------------------------------------------------------ ---------------
Patrick J. Loll, Ph. D.                                         (215) 762-7706
Associate Professor                                     FAX: (215) 762-4452
Department of Biochemistry & Molecular Biology
Director, Biochemistry Graduate Program
Drexel University College of Medicine
Room 10-102 New College Building
245 N. 15th St., Mailstop 497
Philadelphia, PA  19102-1192  USA

[EMAIL PROTECTED]

Reply via email to