[gmx-users] dealing with ATP

Itamar Kass itamar.kass at monash.edu
Mon Apr 25 12:23:27 CEST 2011


ATP is well 'known' and used, just put attention to it protionation state.


Cheers,

Itamar


On 25/04/2011 8:05 PM, Sajad Ahrari wrote:

> dear Justin
> it seems that, ADP and ATP are not known to any of gromacs 
> forcefields. but their topologies have been described in amber web 
> site(as follows). should i be adding them to .tpr file of gromacs? if 
> so, how can i access this file and is there any modification being 
> needed in what amber has introduced? (or i have to just do something 
> like copy and paste?)
> all the best
> sajad
>
> topology for ADP:
> 0    0    2
>
> R-ADENOSINE - with diphosphate linker
> adp.db94
>   adp  INT     1
>   CORRECT OMIT DU   BEG
>     0.0
>      1   DUMM  DU    M     0    0    0    0.000    0.000    0.000    0.000
>      2   DUMM  DU    M     1    0    0    1.000    0.000    0.000    0.000
>      3   DUMM  DU    M     2    1    0    1.000
>   90.000    0.000    0.000
>      4   O1B   O3    M     3    2    1    1.000   90.000  180.000   -0.9552
>      5   PB    P     M     4    3    2    1.434   90.000  180.000    1.3672
>      6   O2B   O3    E     5    4    3    1.574  107.490  -79.441   -0.9552
>      7   O3B   O3    E     5    4    3    1.518  118.007  165.990   -0.9552
>      8   O3A   OS    M     5    4    3    1.599  113.374  180.000   -0.6346
>      9   PA    P     M     6    5    4    1.646  130.619   36.624    1.4929
>     10   O1A   O2    E     7    6    5    1.504  109.212  -90.234   -0.9474
>     11   O2A   O2    E     7    6    5    1.526  108.570   40.323   -0.9474
>     12   O5*   OS    M     7    6    5    1.585   97.173  157.726   -0.6579
>     13   C5*   CT    M     8    7    6    1.445  122.292  -66.317    0.0558
>     14   H50   H1    E     9    8    7    1.059  109.484   27.531    0.0679
>     15   H51   H1    E     9    8    7    1.059  109.437  -92.456    0.0679
>
>   16   C4*   CT    M     9    8    7    1.477  113.286  147.538    0.1065
>     17   H40   H1    E    16    9    8    1.059  105.768 -179.178    0.1174
>     18   O4*   OS    S    16   13    9    1.482  106.235  -62.889   -0.3548
>     19   C1*   CT    B    18   16   13    1.391  107.688  128.804    0.0394
>     20   H10   H2    E    19   18   16    1.059  109.468   91.228    0.2007
>     21   N9    N*    S    19   18   16    1.552  105.091 -143.300   -0.0251
>     22   C8    CK    B    21   19   18    1.388  123.797   33.434    0.2006
>     23   H80   H5    E    22   21   19    1.078  131.047   -3.389    0.1553
>     24   N7    NB    S    22   21   19    1.384  108.967  176.598   -0.6073
>     25   C5    CB    S    24   22   21    1.395  103.021    0.702    0.0515
>     26   C6    CA    B    25   24   22    1.412  128.288  178.252    0.7009
>     27   N6    N2    B    26   25   24    1.333  125.907   -3.791   -0.9019
>     28   H60   H     E    27   26
>   25    1.010  120.010    2.829    0.4115
>     29   H61   H     E    27   26   25    1.009  120.014 -177.167    0.4115
>     30   N1    NC    S    26   25   24    1.343  113.319  178.851   -0.7615
>     31   C2    CQ    B    30   26   25    1.340  123.433   -1.664    0.5875
>     32   H2    H5    E    31   30   26    1.077  120.022 -177.875    0.0473
>     33   N3    NC    S    31   30   26    1.377  125.379    2.123   -0.6997
>     34   C4    CB    E    33   31   30    1.300  108.242   -0.035    0.3053
>     35   C3*   CT    M    16   13   12    1.484  117.051   57.581    0.2022
>     36   H30   H1    E    35   16   13    1.059  117.939   24.820    0.0615
>     37   O3*   OH    S    35   16   13    1.407  108.509  149.908   -0.6541
>     38   H3*   HO    E    37   35   16    0.967  109.470  163.254    0.4376
>     39   C2*   CT    M    35   16   13    1.607  102.425  -96.715    0.0670
>     40   H20   H1    E    39   35   16    1.059  115.086   78.119
>    0.0972
>     41   O2*   OH    S    39   35   16    1.398  114.943 -153.294   -0.6139
>     42   H2*   HO    E    41   39   35    0.967  109.456  -41.679    0.4186
>
> IMPROPER
>   C8   C4   N9   C1*
>   C6   H60  N6   H61
>   N7   N9   C8   H80
>   N1   N3   C2   H2
>
>
> topology for ATP:
>
> 0    0    2
>
> R-ADENOSINE - with triphosphate linker
> atp.db94
>   atp  INT     1
>   CORRECT OMIT DU   BEG
>     0.0
>      1   DUMM  DU    M     0    0    0    1.000   90.000  180.000    0.000
>      2   DUMM  DU    M     1    0    0    0.967   90.000  180.000    0.000
>      3   DUMM  DU    M     2    1    0    0.967  109.443  180.000    0.000
>      4   O1G   O3    M     3    2    1    1.086  160.811  148.238   -0.9526
>      5   PG    P     M     4    3    2    1.379   92.848 -159.681    1.2650
>      6   O2G   O3    E     5    4    3    1.417  116.381 -173.072   -0.9526
>      7   O3G
>     O3    E     5    4    3    1.443  104.744   40.954   -0.9526
>      8   O3B   OS    M     5    4    3    1.742   94.444  -63.733   -0.5322
>      9   PB    P     M     8    5    3    1.512  135.464 -125.176    1.3852
>     10   O1B   O2    E     9    8    5    1.415  113.542  -28.935   -0.8894
>     11   O2B   O2    E     9    8    5    1.617  103.881 -164.747   -0.8894
>     12   O3A   OS    M     9    8    5    1.734   96.237   83.499   -0.5689
>     13   PA    P     M    12    9    8    1.516  131.613 -127.461    1.2532
>     14   O1A   O2    E    13   12    9    1.526  115.352  -92.892   -0.8799
>     15   O2A   O2    E    13   12    9    1.410  109.213   53.806   -0.8799
>     16   O5*   OS    M    13   12    9    1.749   97.280  164.349   -0.5987
>     17   C5*   CT    M    16   13   12    1.427  117.355   64.264    0.0558
>     18   H50   H1    E    17   16   13    1.059  109.461  103.970    0.0679
>     19   H51   H1    E    17   16   13
>   1.059  109.491  -16.065    0.0679
>     20   C4*   CT    M    17   16   13    1.446  107.888 -136.043    0.1065
>     21   H40   H1    E    20   17   16    1.059  106.572 -167.965    0.1174
>     22   O4*   OS    S    20   17   16    1.577  105.136  -48.024   -0.3548
>     23   C1*   CT    B    22   20   17    1.562   99.310  148.198    0.0394
>     24   H10   H2    E    23   22   20    1.059  104.667  127.006    0.2007
>     25   N9    N*    S    23   22   20    1.651   99.707 -129.444   -0.0251
>     26   C8    CK    B    25   23   22    1.400  121.683   69.274    0.2006
>     27   H80   H5    E    26   25   23    1.077  128.168    2.532    0.1553
>     28   N7    NB    S    26   25   23    1.327  111.806 -177.463   -0.6073
>     29   C5    CB    S    28   26   25    1.365  104.681    2.256    0.0515
>     30   C6    CA    B    29   28   26    1.448  131.894 -177.019    0.7009
>     31   N6    N2    B    30   29   28    1.312  123.747   -3.485
>   -0.9019
>     32   H60   H     E    31   30   29    1.000  120.000  176.690    0.4115
>     33   H61   H     E    31   30   29    1.000  120.000   -3.310    0.4115
>     34   N1    NC    S    30   29   28    1.362  114.694  173.408   -0.7615
>     35   C2    CQ    B    34   30   29    1.370  122.869    5.034    0.5875
>     36   H2    H5    E    35   34   30    1.078  119.995  174.203    0.0473
>     37   N3    NC    S    35   34   30    1.309  125.548   -5.799   -0.6997
>     38   C4    CB    E    37   35   34    1.340  112.610    1.051    0.3053
>     39   C3*   CT    M    20   17   16    1.539  120.245   66.848    0.2022
>     40   H30   H1    E    39   20   17    1.059  109.025  -37.638    0.0615
>     41   O3*   OH    S    39   20   17    1.390  114.084   86.172   -0.6541
>     42   H3'   HO    E    41   39   20    0.967  109.487   -2.526    0.4376
>     43   C2*   CT    M    39   20   17    1.606  106.034 -155.382    0.0670
>     44   H20   H1
>   E    43   39   20    1.059  123.901  158.202    0.0972
>     45   O2*   OH    S    43   39   20    1.368  107.234  -72.414   -0.6139
>     46   H2'   HO    E    45   43   39    0.967  109.442  -16.862    0.4186
>
> IMPROPER
>   C8   C4   N9   C1*
>   C6   H60  N6   H61
>   N7   N9   C8   H80
>   N1   N3   C2   H2
>   C5   N1   C6   N6
>
> LOOP CLOSING EXPLICIT
>   C1*  C2*
>   C4   C5
>   C4   N9
>
> DONE
> STOP
>
>
>
>
>
> ------------------------------------------------------------------------
> *From:* Justin A. Lemkul <jalemkul at vt.edu>
> *To:* Gromacs Users' List <gmx-users at gromacs.org>
> *Sent:* Sat, April 23, 2011 5:46:24 PM
> *Subject:* Re: [gmx-users] dealing with ATP
>
>
>
> Sajad Ahrari wrote:
> > tnx for your help Justin!
> > but shouldn't the topology of S atom be described for gromacs? 
> unless gromacs may know P atom with the same topology as S. although 
> they may not be the same!?
>
> You're talking about two separate issues - atom types and parameters 
> for molecules.  Yes, most (all?) force fields describe both P and S 
> atoms, but I guarantee none of them have (by default) parameters for 
> some species named "d" that represents ADP-SO4.  You cannot assign 
> parameters from P blindly to S and hope for the best.  That sounds 
> fundamentally wrong to me.
>
> In your original message, it sounded like you wanted to change ADP-SO4 
> into ATP, but perhaps I misunderstood what you intended.  No force 
> field will be able to assign parameters to ADP-SO4, even though the 
> force field may recognize individual atoms, it cannot construct a 
> topology for any arbitrary molecules.
>
> If you need to simulation this ADP-SO4 species, you're in for the long 
> road of parameterization:
>
> http://www.gromacs.org/Documentation/How-tos/Parameterization
>
> Otherwise, change the S atom to P and name the molecule ATP so it will 
> be recognized by whatever force field you choose, after you have 
> verified that the force field can indeed recognize such a species.  
> Otherwise, you're stuck doing parameterization for ATP, too.
>
> -Justin
>
> > regards
> > sajad
> >
> > ------------------------------------------------------------------------
> > *From:* Justin A. Lemkul <jalemkul at vt.edu <mailto:jalemkul at vt.edu>>
> > *To:* Discussion list for GROMACS users <gmx-users at gromacs.org 
> <mailto:gmx-users at gromacs.org>>
> > *Sent:* Sat, April 23, 2011 5:54:58 AM
> > *Subject:* Re: [gmx-users] dealing with ATP
> >
> >
> >
> > Sajad Ahrari wrote:
> > > Dear users
> > > i am working with a protein witch holds a hetero-atom in it's pdb 
> structure. the hetero-atom  is named "d" and stands for "ADP+SO4" (in 
> fact the third phosphate of ATP is being substituted with SO4). i 
> wanted to know if gromacs holds a feature to change "d" into ATP? and 
> if so do
> >
> > No, but you can use a text editor to replace the S atom with P.
> >
> > > i need to introduce ATP for Gromacs or it is known for the program?
> >
> > Some force fields support ATP, some do not.  Check the .rtp files 
> and see what you find.
> >
> > -Justin
> >
> > > i do appreciate your help!
> > > sajad
> > >
> >
> > -- ========================================
> >
> > Justin A. Lemkul
> > Ph.D. Candidate
> > ICTAS Doctoral Scholar
> > MILES-IGERT Trainee
> > Department of Biochemistry
> > Virginia Tech
> > Blacksburg, VA
> > jalemkul[at]vt.edu <http://vt.edu><http://vt.edu/> | (540) 231-9080
> > http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
> >
> > ========================================
> > -- gmx-users mailing list gmx-users at gromacs.org 
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> -- ========================================
>
> Justin A. Lemkul
> Ph.D. Candidate
> ICTAS Doctoral Scholar
> MILES-IGERT Trainee
> 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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-- 


"In theory, there is no difference between theory and practice. But, in practice, there is." - Jan L.A. van de Snepscheut

===========================================
| Itamar Kass, Ph.D.
| Postdoctoral Research Fellow
|
| Department of Biochemistry and Molecular Biology
| Building 77 Clayton Campus
| Wellington Road
| Monash University,
| Victoria 3800
| Australia
|
| Tel: +61 3 9902 9376
| Fax: +61 3 9902 9500
| E-mail: Itamar.Kass at monash.edu
============================================

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