Dear amber experts,
Having asked about atom types, I subsequently realised that atoms NP, NO and
CX are
defined in parm94.dat but not in parm99.dat...
all I did was change in parm99.dat the original:
  HW  OW  0000.     0000.                                4.  flag for fast
water
N   NA  N2  N*  NC  NB  NT  NY
C*  CA  CB  CC  CD  CK  CM  CN  CQ  CR  CV  CW  CY  CZ
MOD4      RE
to this:
  HW  OW  0000.     0000.                                4.  flag for fast
water
N   NA  N2  N*  NC  NB  NT  NY  NP  NO
C*  CA  CB  CC  CD  CK  CM  CN  CQ  CR  CV  CW  CX  CY  CZ
MOD4      RE
On rerunning the script, at the saveamberparm command, I now get the output
below.
Are the topology files and coordinate files OK now, or is there something
else that I have to change
in parm99.dat?
I appologise for the last email.
with best regards,
JC.
Building topology.
Building atom parameters.
Building bond parameters.
Building angle parameters.
Building proper torsion parameters.
Building improper torsion parameters.
old PREP-specified impropers:
 <HEM 89>:  NA   C1A  C4A  FE
 <HEM 89>:  NB   C1B  C4B  FE
 <HEM 89>:  NC   C1C  C4C  FE
 <HEM 89>:  ND   C1D  C4D  FE
 <HEM 89>:  C1A  C2A  NA   CHA
 <HEM 89>:  C1B  C2B  NB   CHB
 <HEM 89>:  C1C  C2C  NC   CHC
 <HEM 89>:  C1D  C2D  ND   CHD
 <HEM 89>:  C2A  C3A  C1A  CAA
 <HEM 89>:  C2B  C3B  C1B  CMB
 <HEM 89>:  C2C  C3C  C1C  CMC
 <HEM 89>:  C2D  C3D  C1D  CMD
 <HEM 89>:  C3A  C4A  C2A  CMA
 <HEM 89>:  C3B  C4B  C2B  CAB
 <HEM 89>:  C3C  C4C  C2C  CAC
 <HEM 89>:  C3D  C4D  C2D  CAD
 <HEM 89>:  C4A  NA   C3A  CHB
 <HEM 89>:  C4B  NB   C3B  CHC
 <HEM 89>:  C4C  NC   C3C  CHD
 <HEM 89>:  C4D  ND   C3D  CHA
 total 364 improper torsions applied
 20 improper torsions in old prep form
Building H-Bond parameters.
Not Marking per-residue atom chain types.
Marking per-residue atom chain types.
  (Residues lacking connect0/connect1 -
   these don't have chain types marked:
        res     total affected
        CALA    1
        NALA    1
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Received on Wed Sep 12 2007 - 06:07:45 PDT