[gmx-users] Regarding ffG43a1p force field

bharat gupta bharat.85.monu at gmail.com
Thu Jun 23 09:26:47 CEST 2011


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.
>
> --
> gmx-users mailing list    gmx-users at gromacs.org
> http://lists.gromacs.org/mailman/listinfo/gmx-users
> Please search the archive at
> http://www.gromacs.org/Support/Mailing_Lists/Search before posting!
> Please don't post (un)subscribe requests to the list. Use the
> www interface or send it to gmx-users-request at gromacs.org.
> Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
>



-- 
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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://maillist.sys.kth.se/pipermail/gromacs.org_gmx-users/attachments/20110623/016e8874/attachment.html>


More information about the gromacs.org_gmx-users mailing list