Hi Dr.Martis,
I was trying to run using these parameters but it asked me mass of these atom type.
I guess NP and NO are nitrogen and LC and LO are carbon and oxygen?
________________________________
From: Elvis Martis <elvis.martis.bcp.edu.in>
Sent: Tuesday, April 18, 2017 5:44:33 PM
To: AMBER Mailing List
Subject: Re: [AMBER] HEME-CYS
Hi,
Just add these entries in the NONBOND section of the frcmod
NONBON
  FE         1.20000   0.05000   0.00000
  LO         1.60000   0.20000   0.00000
  LC         1.85      0.12      0.0
  NP         1.8240    0.1700
  NO         1.8240    0.1700
I hope it solves your problem now.
    Best Regards
Elvis Martis
Ph.D. Student (Computational Chemistry)
 at Bombay College of Pharmacy
A  Kalina, Santacruz [E], Mumbai 400098, INDIA
W www.elvismartis.in<
http://www.elvismartis.in>
Skype. adrian_elvis12
-----Original Message-----
From: Thakur, Abhishek [mailto:axt651.miami.edu]
Sent: Tuesday, April 18, 2017 9:40 PM
To: AMBER Mailing List <amber.ambermd.org>
Subject: Re: [AMBER] HEME-CYS
Hi Dr.Martis,
Thank you so much.
I was working on it but now it ask me for vdW values
Building atom parameters.
For atom: .R<HEM 527>.A<FE 1> Could not find vdW (or other) parameters for type: FE For atom: .R<HEM 527>.A<NA 2> Could not find vdW (or other) parameters for type: NP For atom: .R<HEM 527>.A<NB 23> Could not find vdW (or other) parameters for type: NO For atom: .R<HEM 527>.A<NC 39> Could not find vdW (or other) parameters for type: NP For atom: .R<HEM 527>.A<ND 55> Could not find vdW (or other) parameters for type: NO
________________________________
From: Elvis Martis <elvis.martis.bcp.edu.in>
Sent: Tuesday, April 18, 2017 4:22:26 AM
To: AMBER Mailing List
Subject: Re: [AMBER] HEME-CYS
HI,
Have checked if all atoms names in the HEME match the frcmod file? I suspect that the frcmod file and prepin you have used are not compatible, I am maybe wrong though just a hunch.
When I loaded the heme_all.prepin and HEM.frcmod in leap with GAFF, I could reproduce your errors. However, this strange because the prepin and frcmod file don't look compatible hence my initial hunch.
Please try to load the attached frcmod and mol2 file I have attached. (You can ignore or replace entries in the frcmod file with comment line "added by Elvis" since they belong to the inhibitor I had used may not be useful for you.) Xleap Source leaprc.gaff Loadamberparams heme.frcmod HEM=loadmols HEM_CPD.mol2.
Once you have checked the atoms names in your HEM coordinates, make necessary changes.
Then you can load your protein only and try to make the FE-CYS bond.
Also, Have a closer look at this paper DOI: 10.1002/jcc.21922 Good luck.
Note: I have also attached the prmtop and inpcrd file for HEME only saved using the attached frmod and mol2 file.
    Best Regards
Elvis Martis
Ph.D. Student (Computational Chemistry)
 at Bombay College of Pharmacy
A  Kalina, Santacruz [E], Mumbai 400098, INDIA W www.elvismartis.in<
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.elvismartis.in&d=DwIFAw&c=y2w-uYmhgFWijp_IQN0DhA&r=0Hah93XWYYBgmROOVcaccg&m=0YblU7URVwzWfwIUb3Wka20eJd0K4nLrwnh2VwEPqEw&s=m440UWoKPQbRB2N7mS0HgMX9DVy0Dpw0smryKRQLr4s&e= >
Skype. adrian_elvis12
-----Original Message-----
From: Thakur, Abhishek [mailto:axt651.miami.edu]
Sent: Tuesday, April 18, 2017 7:55 PM
To: AMBER Mailing List <amber.ambermd.org>
Subject: Re: [AMBER] HEME-CYS
Hi Dr.Martis
I have tried by copying your values. Error which I am receiving is
Building topology.
Building atom parameters.
Building bond parameters.
Could not find bond parameter for: S - FE Building angle parameters.
Could not find angle parameter: S - FE - NP Could not find angle parameter: S - FE - NO Could not find angle parameter: S - FE - NP Could not find angle parameter: S - FE - NO Could not find angle parameter: 2C - S - FE Building proper torsion parameters.
 ** No torsion terms for  2C-S-FE-NP
 ** No torsion terms for  2C-S-FE-NO
 ** No torsion terms for  2C-S-FE-NP
 ** No torsion terms for  2C-S-FE-NO
Building improper torsion parameters.
old PREP-specified impropers:
 <HEM 527>:  NA   C1A  C4A  FE
 <HEM 527>:  NB   C1B  C4B  FE
 <HEM 527>:  NC   C1C  C4C  FE
 <HEM 527>:  ND   C1D  C4D  FE
 <HEM 527>:  C1A  C2A  NA   CHA
 <HEM 527>:  C1B  C2B  NB   CHB
 <HEM 527>:  C1C  C2C  NC   CHC
 <HEM 527>:  C1D  C2D  ND   CHD
 <HEM 527>:  C2A  C3A  C1A  CAA
 <HEM 527>:  C2B  C3B  C1B  CMB
 <HEM 527>:  C2C  C3C  C1C  CMC
 <HEM 527>:  C2D  C3D  C1D  CMD
 <HEM 527>:  C3A  C4A  C2A  CMA
 <HEM 527>:  C3B  C4B  C2B  CAB
 <HEM 527>:  C3C  C4C  C2C  CAC
 <HEM 527>:  C3D  C4D  C2D  CAD
 <HEM 527>:  C4A  NA   C3A  CHB
 <HEM 527>:  C4B  NB   C3B  CHC
 <HEM 527>:  C4C  NC   C3C  CHD
 <HEM 527>:  C4D  ND   C3D  CHA
 total 1580 improper torsions applied
 20 improper torsions in old prep form
Building H-Bond parameters.
Incorporating Non-Bonded adjustments.
Parameter file was not saved.
I am attaching all the files for your reference.
When I have used the parameter file for HEM and CYS generated by 
https://urldefense.proofpoint.com/v2/url?u=http-3A__ambermd.org_tutorials_advanced_tutorial20_mcpbpy-5Fheme.htm&d=DwIFAw&c=y2w-uYmhgFWijp_IQN0DhA&r=0Hah93XWYYBgmROOVcaccg&m=09h5Lh_tbHMTl003W71eflOXdDsNPJPAZEKWriNVqpA&s=AiwYQAImapk5Od4ZHd4cCdtaof282Aw9aHwsWw4Dlng&e=
As our system is same I have got an error
Building topology.
Building atom parameters.
For atom: .R<HEM 527>.A<FE 1> Could not find vdW (or other) parameters for type: FE For atom: .R<HEM 527>.A<NA 2> Could not find vdW (or other) parameters for type: NP For atom: .R<HEM 527>.A<NB 23> Could not find vdW (or other) parameters for type: NO For atom: .R<HEM 527>.A<NC 39> Could not find vdW (or other) parameters for type: NP For atom: .R<HEM 527>.A<ND 55> Could not find vdW (or other) parameters for type: NO Parameter file was not saved.
REMARK GOES HERE, THIS FILE IS GENERATED BY MCPB.PY MASS
M1 55.85                              Fe ion
Y1 32.06         2.900               S in cystine
Y2 14.01         0.530               Sp2 N in non-pure aromatic systems, identical to nc
Y3 14.01         0.530               Sp2 N in non-pure aromatic systems, identical to nc
Y4 14.01         0.530               Sp2 N in non-pure aromatic systems, identical to nc
Y5 14.01         0.530               Sp2 N in non-pure aromatic systems, identical to nc
BOND
Y1-M1   74.9    2.3197      Created by Seminario method using MCPB.py
Y2-M1   52.1    2.0761      Created by Seminario method using MCPB.py
Y3-M1   42.2    2.1137      Created by Seminario method using MCPB.py
Y4-M1   42.3    2.1133      Created by Seminario method using MCPB.py
Y5-M1   53.4    2.0723      Created by Seminario method using MCPB.py
CT-Y1  237.0    1.810       changed from 222.0 based on methanethiol nmodes
cc-Y2  525.4    1.3172          SOURCE3_SOURCE5    4612     0.0083
cc-Y3  525.4    1.3172          SOURCE3_SOURCE5    4612     0.0083
cc-Y4  525.4    1.3172          SOURCE3_SOURCE5    4612     0.0083
cc-Y5  525.4    1.3172          SOURCE3_SOURCE5    4612     0.0083
cd-Y2  441.1    1.3694          SOURCE1_SOURCE5    2269     0.0086
cd-Y3  441.1    1.3694          SOURCE1_SOURCE5    2269     0.0086
cd-Y4  441.1    1.3694          SOURCE1_SOURCE5    2269     0.0086
cd-Y5  441.1    1.3694          SOURCE1_SOURCE5    2269     0.0086
ANGL
CT-Y1-M1    62.03     106.09    Created by Seminario method using MCPB.py
Y1-M1-Y2    35.20     104.48    Created by Seminario method using MCPB.py
Y1-M1-Y3    36.64     100.33    Created by Seminario method using MCPB.py
Y1-M1-Y4    37.80     102.15    Created by Seminario method using MCPB.py
Y1-M1-Y5    33.52     106.70    Created by Seminario method using MCPB.py
Y2-M1-Y3    44.48      87.46    Created by Seminario method using MCPB.py
Y2-M1-Y4    43.43     153.31    Created by Seminario method using MCPB.py
Y2-M1-Y5    42.33      86.90    Created by Seminario method using MCPB.py
Y3-M1-Y4    46.27      86.03    Created by Seminario method using MCPB.py
Y3-M1-Y5    41.50     152.95    Created by Seminario method using MCPB.py
Y4-M1-Y5    43.71      87.24    Created by Seminario method using MCPB.py
cc-Y2-M1    64.80     127.11    Created by Seminario method using MCPB.py
cc-Y3-M1    81.21     124.83    Created by Seminario method using MCPB.py
cc-Y4-M1    67.10     126.47    Created by Seminario method using MCPB.py
cc-Y5-M1    77.47     126.28    Created by Seminario method using MCPB.py
cd-Y2-M1    80.38     125.81    Created by Seminario method using MCPB.py
cd-Y3-M1    65.56     127.28    Created by Seminario method using MCPB.py
cd-Y4-M1    78.87     125.05    Created by Seminario method using MCPB.py
cd-Y5-M1    66.90     127.26    Created by Seminario method using MCPB.py
CX-CT-Y1    50.0      108.60    AA cys (was CT-CT-SH)
Y1-CT-H1    50.0      109.50    AA cyx     changed based on NMA nmodes
Y2-cc-cc   71.57      112.56                  SOURCE3       141    4.2871
Y3-cc-cc   71.57      112.56                  SOURCE3       141    4.2871
Y4-cc-cc   71.57      112.56                  SOURCE3       141    4.2871
Y5-cc-cc   71.57      112.56                  SOURCE3       141    4.2871
cc-Y2-cd   71.76      105.49             CORR_SOURCE5      1810    1.9032
cc-Y3-cd   71.76      105.49             CORR_SOURCE5      1810    1.9032
cc-Y4-cd   71.76      105.49             CORR_SOURCE5      1810    1.9032
cc-Y5-cd   71.76      105.49             CORR_SOURCE5      1810    1.9032
cd-cd-Y2   67.63      121.98             CORR_SOURCE5       141    1.9633
cd-cd-Y3   67.63      121.98             CORR_SOURCE5       141    1.9633
cd-cd-Y4   67.63      121.98             CORR_SOURCE5       141    1.9633
cd-cd-Y5   67.63      121.98             CORR_SOURCE5       141    1.9633
ce-cc-Y2   68.07      121.70             CORR_SOURCE5        58    1.4179
ce-cc-Y3   68.07      121.70             CORR_SOURCE5        58    1.4179
ce-cc-Y4   68.07      121.70             CORR_SOURCE5        58    1.4179
ce-cc-Y5   68.07      121.70             CORR_SOURCE5        58    1.4179
ce-cd-Y2   68.67      123.98          SOURCE4_SOURCE5        10    2.4097
ce-cd-Y3   68.67      123.98          SOURCE4_SOURCE5        10    2.4097
ce-cd-Y4   68.67      123.98          SOURCE4_SOURCE5        10    2.4097
ce-cd-Y5   68.67      123.98          SOURCE4_SOURCE5        10    2.4097
DIHE
X -cc-Y2-X     2        9.5      180.0   2.0      statistic value from parm94
X -cc-Y3-X     2        9.5      180.0   2.0      statistic value from parm94
X -cc-Y4-X     2        9.5      180.0   2.0      statistic value from parm94
X -cc-Y5-X     2        9.5      180.0   2.0      statistic value from parm94
X -cd-Y2-X     2        9.5      180.0   2.0      statistiv value from parm94
X -cd-Y3-X     2        9.5      180.0   2.0      statistiv value from parm94
X -cd-Y4-X     2        9.5      180.0   2.0      statistiv value from parm94
X -cd-Y5-X     2        9.5      180.0   2.0      statistiv value from parm94
CT-Y1-M1-Y2    3       0.00       0.00   3.0    Treat as zero by MCPB.py
CT-Y1-M1-Y3    3       0.00       0.00   3.0    Treat as zero by MCPB.py
CT-Y1-M1-Y4    3       0.00       0.00   3.0    Treat as zero by MCPB.py
CT-Y1-M1-Y5    3       0.00       0.00   3.0    Treat as zero by MCPB.py
CX-CT-Y1-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
M1-Y1-CT-H1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
M1-Y2-cc-cc    3       0.00       0.00   3.0    Treat as zero by MCPB.py
M1-Y3-cc-cc    3       0.00       0.00   3.0    Treat as zero by MCPB.py
M1-Y4-cc-cc    3       0.00       0.00   3.0    Treat as zero by MCPB.py
M1-Y5-cc-cc    3       0.00       0.00   3.0    Treat as zero by MCPB.py
Y1-M1-Y2-cc    3       0.00       0.00   3.0    Treat as zero by MCPB.py
Y1-M1-Y2-cd    3       0.00       0.00   3.0    Treat as zero by MCPB.py
Y1-M1-Y3-cc    3       0.00       0.00   3.0    Treat as zero by MCPB.py
Y1-M1-Y3-cd    3       0.00       0.00   3.0    Treat as zero by MCPB.py
Y1-M1-Y4-cc    3       0.00       0.00   3.0    Treat as zero by MCPB.py
Y1-M1-Y4-cd    3       0.00       0.00   3.0    Treat as zero by MCPB.py
Y1-M1-Y5-cc    3       0.00       0.00   3.0    Treat as zero by MCPB.py
Y1-M1-Y5-cd    3       0.00       0.00   3.0    Treat as zero by MCPB.py
Y3-cc-ce-cd    1        1.0      180.0   2.0      same as X -ce-ce-X
Y4-cc-ce-cd    1        1.0      180.0   2.0      same as X -ce-ce-X
Y5-cc-ce-cd    1        1.0      180.0   2.0      same as X -ce-ce-X
Y5-cd-ce-cc    1        1.0      180.0   2.0      same as X -ce-ce-X
cc-Y2-M1-Y3    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y2-M1-Y4    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y2-M1-Y5    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y3-M1-Y2    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y3-M1-Y4    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y3-M1-Y5    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y4-M1-Y2    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y4-M1-Y3    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y4-M1-Y5    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y5-M1-Y2    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y5-M1-Y3    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-Y5-M1-Y4    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cc-ce-cd-Y2    1        1.0      180.0   2.0      same as X -ce-ce-X
cc-ce-cd-Y3    1        1.0      180.0   2.0      same as X -ce-ce-X
cc-ce-cd-Y4    1        1.0      180.0   2.0      same as X -ce-ce-X
cd-Y2-M1-Y3    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y2-M1-Y4    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y2-M1-Y5    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y3-M1-Y2    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y3-M1-Y4    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y3-M1-Y5    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y4-M1-Y2    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y4-M1-Y3    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y4-M1-Y5    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y5-M1-Y2    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y5-M1-Y3    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-Y5-M1-Y4    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-cd-Y2-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-cd-Y3-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-cd-Y4-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-cd-Y5-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
cd-ce-cc-Y2    1        1.0      180.0   2.0      same as X -ce-ce-X
ce-cc-Y2-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
ce-cc-Y3-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
ce-cc-Y4-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
ce-cc-Y5-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
ce-cd-Y2-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
ce-cd-Y3-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
ce-cd-Y4-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
ce-cd-Y5-M1    3       0.00       0.00   3.0    Treat as zero by MCPB.py
ha-ce-cc-Y2    1        1.0      180.0   2.0      same as X -ce-ce-X
ha-ce-cc-Y3    1        1.0      180.0   2.0      same as X -ce-ce-X
ha-ce-cc-Y4    1        1.0      180.0   2.0      same as X -ce-ce-X
ha-ce-cc-Y5    1        1.0      180.0   2.0      same as X -ce-ce-X
ha-ce-cd-Y2    1        1.0      180.0   2.0      same as X -ce-ce-X
ha-ce-cd-Y3    1        1.0      180.0   2.0      same as X -ce-ce-X
ha-ce-cd-Y4    1        1.0      180.0   2.0      same as X -ce-ce-X
ha-ce-cd-Y5    1        1.0      180.0   2.0      same as X -ce-ce-X
IMPR
Y3-cd-cd-ce         1.1          180.0         2.0          Using default value
Y4-cd-cd-ce         1.1          180.0         2.0          Using default value
Y2-cd-cd-ce         1.1          180.0         2.0          Using default value
Y4-cc-cc-ce         1.1          180.0         2.0          Using default value
Y5-cc-cc-ce         1.1          180.0         2.0          Using default value
Y2-cc-cc-ce         1.1          180.0         2.0          Using default value
Y5-cd-cd-ce         1.1          180.0         2.0          Using default value
Y3-cc-cc-ce         1.1          180.0         2.0          Using default value
NONB
  M1          1.3860  0.0135709700       IOD set for Fe3+ ion in TIP3P water from Li et al. JPCB, 2015, 119, 883
  Y1          2.0000  0.2500             W. Cornell CH3SH and CH3SCH3 FEP's
  Y2          1.8240  0.1700             OPLS
  Y3          1.8240  0.1700             OPLS
  Y4          1.8240  0.1700             OPLS
  Y5          1.8240  0.1700             OPLS
________________________________
From: Elvis Martis <elvis.martis.bcp.edu.in>
Sent: Monday, April 17, 2017 4:31:14 PM
To: AMBER Mailing List
Subject: Re: [AMBER] HEME-CYS
These parameters are partly from Cheatham et al and two entries I have made.
    Best Regards
Elvis Martis
Ph.D. Student (Computational Chemistry)
 at Bombay College of Pharmacy
A  Kalina, Santacruz [E], Mumbai 400098, INDIA W www.elvismartis.in<
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.elvismartis.in&d=DwIFAw&c=y2w-uYmhgFWijp_IQN0DhA&r=0Hah93XWYYBgmROOVcaccg&m=09h5Lh_tbHMTl003W71eflOXdDsNPJPAZEKWriNVqpA&s=TxmVVsh2JSp264Ve8NuHNg53GG2gIIMabKB3FrE0V5Q&e=> Skype. adrian_elvis12
-----Original Message-----
From: Thakur, Abhishek [mailto:axt651.miami.edu]
Sent: Monday, April 17, 2017 11:27 PM
To: AMBER Mailing List <amber.ambermd.org>
Subject: Re: [AMBER] HEME-CYS
Thank you so much Dr.Martis
I am using CYM.
Can you let me know from where you have got this parameter?
________________________________
From: Elvis Martis <elvis.martis.bcp.edu.in>
Sent: Monday, April 17, 2017 6:10:21 AM
To: AMBER Mailing List
Subject: Re: [AMBER] HEME-CYS
Hi,
It seems the frcmod you are using has no parameters for FE-S (CYS) or you did not change the residue name from CYS to CYM.
In the former case try adding the following to the corresponding sections in your frcmod file and in the latter case just change the res name to CYM.
BOND
fe-SH       39.00       2.565
ANGLE
SH-fe-nc    48.00      87.595 # average angle
SH-fe-nd    48.00      87.595 # average angle
CT-SH-fe    39.00     105.885
DIHEDRAL
CT-SH-fe-nc  1     0.00      180.000       2.000
CT-SH-fe-nd  1     0.00      180.000       2.000
SH-fe-nd-cd  1     0.00      180.000       2.000
SH-fe-nd-cc  1     0.00      180.000       2.000
cc-nc-fe-SH  1     0.000     180.000       2.000
cd-nd-fe-sh  1     0.000     180.000       2.000
Hope this helps.
    Best Regards
Elvis Martis
Ph.D. Student (Computational Chemistry)
 at Bombay College of Pharmacy
A  Kalina, Santacruz [E], Mumbai 400098, INDIA W www.elvismartis.in<
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.elvismartis.in&d=DwIFAw&c=y2w-uYmhgFWijp_IQN0DhA&r=0Hah93XWYYBgmROOVcaccg&m=Zc_mFxqbyKTwxWio2j2Oq56QS1ummsFtS9la1SvWz0E&s=KS_nVJbep5R9_umFQpghrrmPEhbIhzOZ2LqJGLDmQNY&e=> Skype. adrian_elvis12
-----Original Message-----
From: Thakur, Abhishek [mailto:axt651.miami.edu]
Sent: Monday, April 17, 2017 10:16 PM
To: amber.ambermd.org
Subject: [AMBER] HEME-CYS
Hi
I am having a system in which HEME FE is bounded to Cys S.
When I am using HEME amber parameters and manually giving bond between FE and S, I am getting an error
Could not find bond parameter for: SH - FE Building angle parameters.
Could not find angle parameter: SH - FE - NP Could not find angle parameter: SH - FE - NO Could not find angle parameter: SH - FE - NP Could not find angle parameter: SH - FE - NO Could not find angle parameter: CT - SH - FE Building proper torsion parameters.
 ** No torsion terms for  CT-SH-FE-NP
 ** No torsion terms for  CT-SH-FE-NO
 ** No torsion terms for  CT-SH-FE-NP
 ** No torsion terms for  CT-SH-FE-NO
How should I solve this problem.
with regards,
-AT
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Received on Wed Apr 19 2017 - 07:30:02 PDT