[gmx-users] Regarding ffG43a1p force field

bharat gupta bharat.85.monu at gmail.com
Thu Jun 23 09:34:55 CEST 2011


Is is this for the neutral chromophore or protonated one ??

On Thu, Jun 23, 2011 at 4:29 PM, Ramachandran G <gtrama at gmail.com> wrote:

> yes!
>
>
> On Thu, Jun 23, 2011 at 12:26 AM, bharat gupta <bharat.85.monu at gmail.com>wrote:
>
>> these are in continuity I mean for the ffbonded.itp file
>>
>> On Thu, Jun 23, 2011 at 4:21 PM, Ramachandran G <gtrama at gmail.com> wrote:
>>
>>> more parameters - ffbonded.itp
>>> NB    CT       1    0.1444    294553.6
>>> NB    C        1    0.1404    334720.0
>>> C      CC      1    0.1407    343088.0
>>> CC    CB       1    0.1474    468608.0
>>>  CB     H2     1    0.1076    129960.25
>>>
>>> to aminoacids.hdb
>>> 1       1       HE2     CE2     CZ      CD2
>>> 1       1       HE1     CE1     CZ      CD1
>>> 1       1       HD1     CD1     CG2     CE1
>>> 1       1       HD2     CD2     CG2     CE2
>>> 1       2       HH      OH      CZ      CE1
>>> 1       1       HB2     CB2     CA2     CG2
>>> 1       2       HG1     OG1     CB1     CA1
>>> 1       1       H       N      CA1     C1
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Thu, Jun 23, 2011 at 12:18 AM, Ramachandran G <gtrama at gmail.com>wrote:
>>>
>>>> For ffbonded.itp, i added the following. (you need to be carefull here
>>>> since i cooked upto the force constants)
>>>>  C     CC    CB    CA    9     180.0   4.309   1
>>>>  NB    CC    C     O     9     180.0   4.309   1 ;
>>>>  NB    CC    CB    CA    9     180.0   4.309   1
>>>>  NB    CC    CB    H2    9     180.0   4.309   1
>>>>  C     CC    CB    H2    9     180.0   4.309   1
>>>>  NB    CC    C     NB    9     180.0   4.0876  1
>>>>  CT    NB    C     CC    9     180.0   4.0876  1
>>>>  CT    NB    C     O     9     180.0   4.0876  1
>>>>  CB    CC    C     NB    9     180.0   4.0876  1
>>>>  CB    CC    C     O     9     180.0   4.0876  1
>>>>  CC    C     NB    CC    9     180.0   4.7656  1
>>>>  O     C     NB    CC    9     180.0   4.7656  1;
>>>>  CC    NB    CT    C     9     180.0   4.1400  1;
>>>>  C     NB    CT    C     9     180.0   4.1400  1 ;
>>>>  CT    CT    OH    HO    4     180.0   4.1400  1 ;
>>>>  OH   CT    CT     CC    9       0.0   4.1400  1
>>>>  OH   CT    CT     N     9     180.0   4.9162  1
>>>>
>>>> ; added newly  improper dihedrals
>>>>  CB    CC    CA   H2   4       180.0    4.1840 2
>>>>  CC    NB    CB   C    4       180.0    4.1840 2
>>>>  CC    CT    NB   NB   4       180.0    4.1840 2
>>>>  CT    N     CC   CT   4       144.64   3.1840 2
>>>>  NB    O     CC   C    4       180.0    4.1840 2
>>>>  NB    CC    C    CT   4       180.0    4.1840 2
>>>>  CA    CB    CA   CA   4       180.0    4.1840 2
>>>>  CA    HA    CA   CA   4       180.0    4.1840 2
>>>> ; added to test
>>>>  N   CT   C    H    4   180.0    4.1840  2
>>>>
>>>>
>>>>
>>>>
>>>> On Thu, Jun 23, 2011 at 12:13 AM, Ramachandran G <gtrama at gmail.com>wrote:
>>>>
>>>>> For the GFP chromophore  i name residue as CRIH.
>>>>> 1. aminoacids.rtp
>>>>>        CB2     CB     0.019103       1
>>>>>        CA2     CC    -0.026635       2
>>>>>        N2      NB    -0.436463       3
>>>>>        C1      CC     0.302706       4
>>>>>        N3      NB    -0.541478       5
>>>>>        C2      C      0.563844       6
>>>>>        OC2     O     -0.394118       7
>>>>>        CG2     CA    -0.079330       8
>>>>>        CZ      CA     0.240178       9
>>>>>        CD1     CA    -0.072596      10
>>>>>        HD1     HA     0.129374      11
>>>>>        CD2     CA    -0.070677      12
>>>>>        HD2     HA     0.091532      13
>>>>>        CE1     CA    -0.129374      14
>>>>>        HE1     HA     0.091792      15
>>>>>        CE2     CA    -0.087778      16
>>>>>        HE2     HA     0.112301      17
>>>>>        OH      OH    -0.454413      18
>>>>>        H       H      0.37107       19
>>>>>        HH      HO     0.258435      20
>>>>>        N       N     -0.61682       21
>>>>>        CA1     CT    -0.116631      22
>>>>>        CB1     CT    -0.03127       23
>>>>>        OG1     OH    -0.74662       24
>>>>>        HG1     HO     0.45887       25
>>>>>        HB2     H2     0.116716      26
>>>>>        CA3     CT    -0.250251      27
>>>>>        C        C     0.35254       28
>>>>>        O        O    -0.48366       29
>>>>>  [ bonds ]
>>>>>        C1      CA1
>>>>>        N3      CA3
>>>>>        N3      C1
>>>>>        N3      C2
>>>>>        C2      OC2
>>>>>        C1      N2
>>>>>        C2      CA2
>>>>>        N2      CA2
>>>>>        CA2     CB2
>>>>>        CB2     CG2
>>>>>        CG2     CD1
>>>>>        CG2     CD2
>>>>>        CD1     CE1
>>>>>        CD2     CE2
>>>>>        CE1     CZ
>>>>>        CE2     CZ
>>>>>        CZ      OH
>>>>>        CB1     OG1
>>>>>        OH      HH
>>>>>        CB2     HB2
>>>>>        CD1     HD1
>>>>>        CD2     HD2
>>>>>        CE1     HE1
>>>>>        CE2     HE2
>>>>>        CA1     N
>>>>>        CA1     CB1
>>>>>        CA3     C
>>>>>         C      O
>>>>>        OG1     CB1
>>>>>        OG1     HG1
>>>>>         N      H
>>>>>        -C      N
>>>>>        +N      C
>>>>>  [ angles ]
>>>>>         ;  ai    aj    ak   th0     cth     ub0     cub
>>>>>           N2   C1   N3     114.0      1087.87
>>>>>           C1    N2   CA2   106.0      1087.87
>>>>>           C1    N3   C2    107.9      1087.87
>>>>>           N2    CA2  C2    108.3     1087.87
>>>>>           N2    CA2  CB2   129.5      376.56
>>>>>           C2    N3   CA3   123.4      267.776
>>>>>           N3    C2   OC2   126.0      351.456
>>>>>           N3    C2   CA2   103.0     1087.87
>>>>>           OC2   C2   CA2   132.0      317.984
>>>>>           C2    CA2  CB2   122.0      376.56
>>>>>           CA2   CB2  CG2   130.0     1087.87
>>>>>           CB2   CG2  CD1   121.0      383.2544
>>>>>           CB2   CG2  CD2   121.0      383.2544
>>>>>           CG2   CD1  CE1   120.0      334.72
>>>>>           CG2   CD2  CE2   120.0      334.72
>>>>>           CD1   CG2  CD2   120.0      334.72
>>>>>           CD1   CE1  CZ    120.0      334.72
>>>>>           CD2   CE2  CZ    120.0      334.72
>>>>>           CE1   CZ  CE2    120.0      334.72
>>>>>           OH    CZ  CE1    120.0      378.2336
>>>>>           OH    CZ  CE2    120.0      378.2336
>>>>>           HH    OH   CZ    108.0      543.92
>>>>>           HG1   OG1  CB1   108.0      543.92
>>>>>           N2    C1   CA1   125.0      334.72
>>>>>           N3    C1   CA1   121.4      292.88
>>>>>           C1    N3  CA3    129.0      301.248
>>>>>           HB2   CB2  CA2   114.0      351.456
>>>>>           HB2   CB2  CG2   116.0      351.456
>>>>>           HD1   CD1  CG2   120.0      251.04
>>>>>           HD1   CD1  CE1   120.0      251.04
>>>>>           HD2   CD2  CG2   120.0      251.04
>>>>>           HD2   CD2  CE2   120.0      251.04
>>>>>           HE1   CE1  CZ    120.0      251.04
>>>>>           HE1   CE1  CD1   120.0      251.04
>>>>>           HE2   CE2  CZ    120.0      251.04
>>>>>           HE2   CE2  CD2   120.0      251.04
>>>>>            CA1   N    H     118.4      317.984
>>>>>            CA1   CB1  OG1   109.5      669.44
>>>>>            N     CA1  CB1   109.7      669.44
>>>>>            CB1   CA1  C1    111.1      527.184
>>>>>           CA3   C    O     120.4      669.44
>>>>>            N     CA1  C1    110.1      527.184
>>>>>           C     CA3  N3    110.3      669.44
>>>>>           CA3   C    N     116.6      585.76
>>>>>           C2    CA2   CB2    CG2 ;
>>>>>           N2    CA2   CB2    CG2
>>>>>           CA2   CB2   CG2   CD1 ;
>>>>>           CA2   CB2   CG2   CD2 ;
>>>>>           N2    CA2   CB2   HB2
>>>>>           C2    CA2   CB2   HB2
>>>>>           HB2   CB2   CG2   CD1 ;
>>>>>           HB2   CB2   CG2   CD2 ;
>>>>>           CB2   CG2   CD1   CE1 ;
>>>>>           CB2   CG2   CD2   CE2 ;
>>>>>           CD1   CE1   CZ    CE2
>>>>>           CD1   CE1   CZ    OH
>>>>>           CE1   CZ    OH    HH
>>>>>           CE2   CZ    OH    HH
>>>>>           CG2   CD1   CE1   CZ
>>>>>           HD1   CD1   CG2   CD2
>>>>>           HD1   CD1   CE1   CZ
>>>>>           HD2   CD2   CG2   CD1
>>>>>           HD2   CD2   CE2   CZ
>>>>>           HE1   CE1   CD1   CG2
>>>>>           HE1   CE1   CZ    CE2
>>>>>           HE2   CE2   CD2   CG2
>>>>>           HE2   CE2   CZ    CE1
>>>>>           CA1   C1     N2   CA2 ;
>>>>>           CA1   C1     N3   C2  ;
>>>>>           CA3   N3     C2   CA2
>>>>>           CA3   N3     C1   N2  ;
>>>>>           CG2   CB2    CA2  N2  ; repeated
>>>>>           CG2   CB2    CA2  C2  ; repeated
>>>>>           CB2   CA2    N2   C1
>>>>>           CB2   CA2    C2   N3
>>>>>           CA2   N2     C1   N3
>>>>>           CA2   C2     N3   C1
>>>>>           OG1   CB1    CA1  C1  ;
>>>>>           OG1   CB1    CA1  N   ;
>>>>>           CA1   CB1    OG1  HG1  ;
>>>>>           N3    CA3    C    O   ;
>>>>>           OC2   C2    CA2  CB2  ;
>>>>>           OC2   C2    N3   CA3  ;
>>>>>           OC2   C2    CA2  N2   ;
>>>>>           OC2   C2    N3   C1   ;
>>>>>           N3    CA3    C   +N  ;  added to link the neighbouring valine
>>>>>           CA3    C    +N   +H  ;
>>>>>           CA3    C    +N   +CA  ;
>>>>>           CB1   CA1    N   -C   ;  added to link the neighbouring PHE
>>>>>           C1    CA1    N   -C   ;
>>>>>           CA1    N    -C   -O   ;
>>>>>            H     N    -C   -O   ; n
>>>>>  [ impropers ]
>>>>>            C1     CA1   N2     N3
>>>>>            CA2    N2    CB2    C2
>>>>>            C2     CA2   OC2    N3
>>>>>            CG2    CB2   CD1    CD2
>>>>>            CZ     CE1   CE2    OH
>>>>>            N3     C1    C2     CA3
>>>>>            CB2    CA2   CG2    HB2
>>>>>            CD1    CG2   HD1    CE1
>>>>>            CD2    CG2   HD2    CE2
>>>>>            CE1    CD1   HE1    CZ
>>>>>            CE2    CD2   HE2    CZ
>>>>>            CA1    N     C1     CB1
>>>>>            C      CA3    N     O  ;
>>>>>            N      CA1    C     H  ;
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Postdoctoral Research Scholar,
>>>> Department of Chemistry,
>>>> University of Nevada, Reno.
>>>>
>>>
>>>
>>>
>>> --
>>> Postdoctoral Research Scholar,
>>> Department of Chemistry,
>>> University of Nevada, Reno.
>>>
>>> --
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>>
>>
>>
>> --
>> Bharat
>> Ph.D. Candidate
>> Room No. : 7202A, 2nd Floor
>> Biomolecular Engineering Laboratory
>> Division of Chemical Engineering and Polymer Science
>> Pusan National University
>> Busan -609735
>> South Korea
>> Lab phone no. - +82-51-510-3680, +82-51-583-8343
>> Mobile no. - 010-5818-3680
>> E-mail : monu46010 at yahoo.com
>>
>>
>> --
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>
>
>
> --
> Postdoctoral Research Scholar,
> Department of Chemistry,
> University of Nevada, Reno.
>
> --
> gmx-users mailing list    gmx-users at gromacs.org
> http://lists.gromacs.org/mailman/listinfo/gmx-users
> Please search the archive at
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-- 
Bharat
Ph.D. Candidate
Room No. : 7202A, 2nd Floor
Biomolecular Engineering Laboratory
Division of Chemical Engineering and Polymer Science
Pusan National University
Busan -609735
South Korea
Lab phone no. - +82-51-510-3680, +82-51-583-8343
Mobile no. - 010-5818-3680
E-mail : monu46010 at yahoo.com
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