I am having some difficulties with the protonate command. I have an
"abnormal" residue in my protein: a methylated histidine. For some
reason with this residue (and not with any of the normal residues) the
protonate command leads to the placement of atoms that are named with
a "?" I don't know whether I should assume that "?" refers to a
hydrogen or whether I should be concerned about this error. The atom
entries from the pdb file, before and after running protonate, are cut
and pasted below. I would very much appreciate any advice that anyone
has.
Thanks,
Kenley
before protonate:
HETATM  526  N   HIC A  73      36.576  54.962  57.432  1.00 20.71
HETATM  527  CA  HIC A  73      36.905  55.235  58.813  1.00 21.45
HETATM  528  C   HIC A  73      36.440  56.637  59.173  1.00 22.93
HETATM  529  O   HIC A  73      37.023  57.318  60.017  1.00 24.12
HETATM  530  CB  HIC A  73      38.391  55.124  59.068  1.00 22.40
HETATM  531  CG  HIC A  73      38.811  53.664  58.958  1.00 27.20
HETATM  532  ND1 HIC A  73      38.271  52.576  59.534  1.00 27.57
HETATM  533  CD2 HIC A  73      39.822  53.216  58.134  1.00 27.07
HETATM  534  CE1 HIC A  73      38.895  51.516  59.085  1.00 28.32
HETATM  535  NE2 HIC A  73      39.836  51.904  58.245  1.00 28.62
HETATM  536  CZ  HIC A  73      40.825  51.000  57.582  1.00 28.06
after protonate:
HETATM 1042  N   HIC A  73      36.576  54.962  57.432
HETATM 1043  H   HIC A  73      36.036  54.135  57.221
HETATM 1044  CA  HIC A  73      36.905  55.235  58.813
HETATM 1045  HA  HIC A  73      36.394  54.531  59.436
HETATM 1046  C   HIC A  73      36.440  56.637  59.173
HETATM 1047  O   HIC A  73      37.023  57.318  60.017
HETATM 1048  CB  HIC A  73      38.391  55.124  59.068
HETATM 1049 3HB  HIC A  73      38.614  55.488  60.052
HETATM 1050 2HB  HIC A  73      38.924  55.706  58.342
HETATM 1051  CG  HIC A  73      38.811  53.664  58.958
HETATM 1052  ND1 HIC A  73      38.271  52.576  59.534
HETATM 1053  CD2 HIC A  73      39.822  53.216  58.134
HETATM 1054 ?    HIC A  73      40.475  53.823  57.518
HETATM 1055  CE1 HIC A  73      38.895  51.516  59.085
HETATM 1056 ?    HIC A  73      38.675  50.490  59.358
HETATM 1057  NE2 HIC A  73      39.836  51.904  58.245
HETATM 1058 ?    HIC A  73      40.472  51.287  57.760
HETATM 1059  CZ  HIC A  73      40.825  51.000  57.582
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Received on Fri Apr 08 2005 - 03:53:00 PDT