[gmx-users] pairing error

Justin A. Lemkul jalemkul at vt.edu
Tue Aug 11 20:24:18 CEST 2009



mohit kumar wrote:
> ; DPPC itp file
> ; Use ffG43A1-S3 parameter files

There's nothing obviously wrong with this topology.  Are you using your own 
modified version of ffG43a1?  If so, the problem may lie in the [ pairtypes ] 
directive in the force field file, not this .itp file.

-Justin

> ; KW-type potential (gd_kw20) is used for the dihedrals -CH2-CH2-CH2-CH2-
> ;         of the hydrocarbon chains.
> ;   gd_kw5 for -OA-C(carbonyl)-CH2-CH2- in Sn2 and Sn2 chains
> ;   gd_kw7 for  -C(carbonyl)-CH2-CH2-CH2-
> ; Partial charges on the head group atoms were derived from HF/6-31G*
> ; calculation
> ; For use with PME method only
> ;
> [ moleculetype ]
> ; Name            nrexcl
> POPC                3
> 
> [ atoms ]
> ;   nr   type  resnr residue  atom   cgnr     charge       mass  
> typeB    chargeB      massB
>      1   CH3*       1   POPC     C1      1        0.4     15.035  
>      2   CH3*       1   POPC     C2      2        0.4     15.035  
>      3   CH3*       1   POPC     C3      3        0.4     15.035  
>      4    NL      1   POPC     N4        4     -0.5    14.0067  
>      5   CH2*      1   POPC     C5       5       0.3     14.027 
>      6   CH2*      1   POPC     C6       6       0.4     14.027 
>      7    OA      1   POPC    OS7      7       -0.8    15.9994 
>      8     P      1   POPC     P8      8        1.7    30.9738  
>      9    OM*     1   POPC    OM9      9       -0.8    15.9994  
>     10    OM*     1   POPC   OM10      10      -0.8    15.9994  
>     11    OA       1   POPC   OS11     11       -0.7    15.9994 
>     12    CH2*     1   POPC    C12     12        0.4     14.027  
>     13   CH1*      1   POPC    C13     13       0.3     13.019  
>     14    OA      1   POPC   OS14      14      -0.7    15.9994  
>     15    CO*      1   POPC    C15     15        0.7     12.011  
>     16     O*     1   POPC    O16      16      -0.7    15.9994  
>     17   CH2*      1   POPC    C17     17          0     14.027  
>     18   CH2*      1   POPC    C18     17         0     14.027  
>     19   CH2*      1   POPC    C19     17         0     14.027  
>     20   CH2*      1   POPC    C20     18         0     14.027  
>     21   CH2*      1   POPC    C21     18         0     14.027  
>     22   CH2*      1   POPC    C22     18         0     14.027  
>     23   CH2*      1   POPC    C23     19         0     14.027  
>     24   C*H1      1   POPC    C24     19         0     13.019
>     25   C*H1      1   POPC    C25     19         0     13.019  
>     26   CH2*      1   POPC    C26     20         0     14.027  
>     27   CH2*      1   POPC    C27     20         0     14.027  
>     28   CH2*      1   POPC    C28     20         0     14.027
>     29   CH2*      1   POPC    C29     21         0     14.027  
>     30   CH2*      1   POPC    C30     21         0     14.027  
>     31   CH2*      1   POPC    C31     21         0     15.035  
>     32   CH2*      1   POPC    C32     22          0     14.027  
>     33   CH3*      1   POPC    C33     22        0.0     15.035  
>     34   CH2*      1   POPC    C34     23        0.5     14.027 
>     35    OA       1   POPC   OS35     24       -0.7    15.9994  
>     36    CO*      1   POPC    C36     25        0.8     12.011  
>     37     O*     1   POPC    O37      26      -0.6    15.9994  
>     38   CH2*      1   POPC    C38     27          0     14.027  
>     39   CH2*      1   POPC    C39     27          0     14.027   
>     40   CH2*      1   POPC    C40     27          0     14.027  
>     41   CH2*      1   POPC    C41     28          0     14.027  
>     42   CH2*      1   POPC    C42     28          0     14.027  
>     43   CH2*      1   POPC    C43     28          0     14.027  
>     44   CH2*      1   POPC    C44     29          0     14.027  
>     45   CH2*      1   POPC    C45     29          0     13.019  
>     46   CH2*      1   POPC    C46     29          0     13.019  
>     47   CH2*      1   POPC    C47     30          0     14.027  
>     48   CH2*      1   POPC    C48     30          0     14.027  
>     49   CH2*      1   POPC    C49     30          0     14.027
>     50   CH2*      1   POPC    C50     31          0     14.027  
>     51   CH2*      1   POPC    C51     31          0     14.027  
>     52   CH3*      1   POPC    C52     31          0     15.035  
> 
> [ bonds ]
> ;  ai    aj funct            c0            c1            c2            c3
>     1     4     2    gb_20
>     2     4     2    gb_20
>     3     4     2    gb_20
>     4     5     2    gb_20
>     5     6     2    gb_26
>     6     7     2    gb_17
>     7     8     2    gb_27
>     8     9     2    gb_23
>     8    10     2    gb_23
>     8    11     2    gb_27
>    11    12     2    gb_17
>    12    13     2    gb_26
>    13    14     2    gb_17
>    13    34     2    gb_26
>    14    15     2    gb_12
>    15    16     2    gb_4
>    15    17     2    gb_58b  ; gb_24
>    17    18     2    gb_26
>    18    19     2    gb_26
>    19    20     2    gb_26
>    20    21     2    gb_26
>    21    22     2    gb_26
>    22    23     2    gb_26
>    23    24     2    gb_58
>    24    25     2    gb_57
>    25    26     2    gb_58
>    26    27     2    gb_26
>    27    28     2    gb_26
>    28    29     2    gb_26
>    29    30     2    gb_26
>    30    31     2    gb_26
>    31    32     2    gb_26
>    32    33     2    gb_26
>    34    35     2    gb_17
>    35    36     2    gb_12
>    36    37     2    gb_4
>    36    38     2    gb_58b   ; gb_24
>    38    39     2    gb_26
>    39    40     2    gb_26
>    40    41     2    gb_26
>    41    42     2    gb_26
>    42    43     2    gb_26
>    43    44     2    gb_26
>    44    45     2    gb_26
>    45    46     2    gb_26
>    46    47     2    gb_26
>    47    48     2    gb_26
>    48    49     2    gb_26
>    49    50     2    gb_26
>    50    51     2    gb_26
>    51    52     2    gb_26
> 
> [ pairs ]
> ;  ai    aj funct            c0            c1            c2            c3
>    1     6     1   
>    2     6     1   
>    3     6     1   
>    4     7     1
>    5     8     1
>    6     9     1
>    6    10     1
>    6    11     1
>    7    12     1
>    8    13     1
>    9    12     1
>   10    12     1
>   11    14     1
>   11    34     1
>   12    15     1
>   12    35     1
> ; 13    16     1   ; gd_kw32
> ; 13    17     1   ; gd_kw32
>   13    36     1  
> ; 14    18     1  ; gd_kw5
>   14    35     1
> ; 15    19     1  ; gd_kw7
>   15    34     1
> ; 16    18     1  ; gd_kw5
> ; 21    24     1    ; gd_kw4a1
> ; 22    25     1    ;gd_kw34a1
>   23    26     1
> ; 24    27     1    ; gd_kw34a1
> ; 25    28     1    ;gd_kw4a1
> ; 34    37     1  ; gd_kw32
> ; 34    38     1  ; gd_kw32
> ; 35    39     1  ; gd_kw5
> ; 36    40     1  ; gd_kw7
> ; 37    39     1  ; gd_kw5
> 
> [ angles ]
> ;  ai    aj    ak funct            c0            c1            
> c2            c3
>     1     4     2     2    ga_12
>     1     4     3     2    ga_12
>     1     4     5     2    ga_12
>     2     4     3     2    ga_12
>     2     4     5     2    ga_12
>     3     4     5     2    ga_12
>     4     5     6     2    ga_14
>     5     6     7     2    ga_14
>     6     7     8     2    ga_25
>     7     8     9     2    ga_13
>     7     8    10     2    ga_13
>     7     8    11     2    ga_4
>     9     8    10     2    ga_28
>     9     8    11     2    ga_13
>    10     8    11     2    ga_13
>     8    11    12     2    ga_25
>    11    12    13     2    ga_14
>    12    13    14     2    ga_12
>    12    13    34     2    ga_12
>    14    13    34     2    ga_12
>    13    14    15     2    ga_18 
>    14    15    16     2    ga_32
>    14    15    17     2    ga_14
>    16    15    17     2    ga_34
>    15    17    18     2    ga_14
>    17    18    19     2    ga_14
>    18    19    20     2    ga_14
>    19    20    21     2    ga_14
>    20    21    22     2    ga_14
>    21    22    23     2    ga_14
>    22    23    24     2    ga_49
>    23    24    25     2    ga_47
>    24    25    26     2    ga_47
>    25    26    27     2    ga_49
>    26    27    28     2    ga_14
>    27    28    29     2    ga_14
>    28    29    30     2    ga_14
>    29    30    31     2    ga_14
>    30    31    32     2    ga_14
>    31    32    33     2    ga_14
>    13    34    35     2    ga_14
>    34    35    36     2    ga_18  
>    35    36    37     2    ga_32
>    35    36    38     2    ga_14
>    36    38    39     2    ga_14
>    37    36    38     2    ga_34
>    38    39    40     2    ga_14
>    39    40    41     2    ga_14
>    40    41    42     2    ga_14
>    41    42    43     2    ga_14
>    42    43    44     2    ga_14
>    43    44    45     2    ga_14
>    44    45    46     2    ga_14
>    45    46    47     2    ga_14
>    46    47    48     2    ga_14
>    47    48    49     2    ga_14
>    48    49    50     2    ga_14
>    49    50    51     2    ga_14
>    50    51    52     2    ga_14
> 
> [ dihedrals ]
> ;  ai    aj    ak    al funct            c0            c1            
> c2            c3            c4            c5
>     3     4     5     6     1    gd_17d   ;gd_kw36 
>     4     5     6     7     3    gd_swc6n 
>     5     6     7     8     1    gd_14
>     6     7     8    11     3    gd_s0911
>     7     8    11    12     3    gd_s0911
>     8    11    12    13     1    gd_14
>    11    12    13    34     1    gd_17
>    12    13    14    15     3    gd_swc1   ; sn2 chain
>    12    13    34    35     1    gd_17
>    13    14    15    17     3    gd_kw32  
>    14    15    17    18     3    gd_kw5 
>    15    17    18    19     3    gd_kw7
>    17    18    19    20     3    gd_kw20
>    18    19    20    21     3    gd_kw20
>    19    20    21    22     3    gd_kw20
>    20    21    22    23     3    gd_kw20
>    21    22    23    24     3    gd_kw4a1 
>    22    23    24    25     3    gd_kw34a1
>    23    24    25    26     1    gd_5b
>    24    25    26    27     3    gd_kw34a1
>    25    26    27    28     3    gd_kw4a1 
>    26    27    28    29     3    gd_kw20
>    27    28    29    30     3    gd_kw20
>    28    29    30    31     3    gd_kw20
>    29    30    31    32     3    gd_kw20
>    30    31    32    33     3    gd_kw20
>    13    34    35    36     3    gd_swc1a
>    34    35    36    38     3    gd_kw32
>    35    36    38    39     3    gd_kw5  
>    36    38    39    40     3    gd_kw7
>    38    39    40    41     3    gd_kw20
>    39    40    41    42     3    gd_kw20
>    40    41    42    43     3    gd_kw20
>    41    42    43    44     3    gd_kw20
>    42    43    44    45     3    gd_kw20
>    43    44    45    46     3    gd_kw20 
>    44    45    46    47     3    gd_kw20
>    45    46    47    48     3    gd_kw20 
>    46    47    48    49     3    gd_kw20
>    47    48    49    50     3    gd_kw20
>    48    49    50    51     3    gd_kw20
>    49    50    51    52     3    gd_kw20
> 
> [ dihedrals ]
> ;  ai    aj    ak    al funct            c0            c1            
> c2            c3
>    13    14    34    12     2    gi_2
>    15    14    17    16     2    gi_1
>    36    35    38    37     2    gi_1
> 
> 
> On Mon, Aug 10, 2009 at 2:13 PM, Justin A. Lemkul <jalemkul at vt.edu 
> <mailto:jalemkul at vt.edu>> wrote:
> 
> 
> 
>     sahajmohit at gmail.com <mailto:sahajmohit at gmail.com> wrote:
> 
>         So wat shud I do now I send u the attach files
> 
> 
>     Copy and paste the problematic section from your topology into an
>     email so we can all see it.
> 
>     -Justin
> 
> 
> 
>         Regards,
>         Mohit Kumar
> 
>         On 10-Aug-2009, at 12:05 PM, "Justin A. Lemkul" <jalemkul at vt.edu
>         <mailto:jalemkul at vt.edu>> wrote:
> 
> 
> 
>             mohit kumar wrote:
> 
>                 im using dell core 2 duo with linux mint
> 
> 
>             OK, so what about showing us the topology?  That's probably
>             a lot more relevant, anyway.
> 
>             -Justin
> 
>             -- 
>             ========================================
> 
>             Justin A. Lemkul
>             Ph.D. Candidate
>             ICTAS Doctoral Scholar
>             Department of Biochemistry
>             Virginia Tech
>             Blacksburg, VA
>             jalemkul[at]vt.edu <http://vt.edu> | (540) 231-9080
>             http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
> 
>             ========================================
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> 
> 
> 
>     -- 
>     ========================================
> 
>     Justin A. Lemkul
>     Ph.D. Candidate
>     ICTAS Doctoral Scholar
>     Department of Biochemistry
>     Virginia Tech
>     Blacksburg, VA
>     jalemkul[at]vt.edu <http://vt.edu> | (540) 231-9080
>     http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
> 
>     ========================================
>     _______________________________________________
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> 
> 
> 
> 
> -- 
> MOHIT KUMAR
> Molecular Biochemistry & Biophysics
> Graduate Student
> Illinois Institute of Technology
> Chicago,IL, USA
> 

-- 
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

========================================



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