[gmx-users] Query- Ligand parametrization

Priya Das priyadas001 at gmail.com
Sat Mar 28 13:36:37 CET 2015


This is the Paramchem generated file.

* Toppar stream file generated by
* CHARMM General Force Field (CGenFF) program version 0.9.7.1 beta
* For use with CGenFF version 2b8
*

read rtf card append
* Topologies generated by
* CHARMM General Force Field (CGenFF) program version 0.9.7.1 beta
* using valence-based bond orders
*
36 1

! "penalty" is the highest penalty score of the associated parameters.
! Penalties lower than 10 indicate the analogy is fair; penalties between 10
! and 50 mean some basic validation is recommended; penalties higher than
! 50 indicate poor analogy and mandate extensive validation/optimization.

RESI Pose         0.000 ! param penalty= 117.000 ; charge penalty=  37.947
GROUP            ! CHARGE   CH_PENALTY
ATOM N      NG311  -0.299 !   37.947
ATOM C1     CG311  -0.102 !    9.362
ATOM C2     CG311  -0.102 !   24.826
ATOM C3     CG311  -0.092 !   12.017
ATOM C4     CG321  -0.181 !   19.898
ATOM C5     CG321  -0.167 !   18.342
ATOM C6     CG321  -0.165 !    0.000
ATOM C7     CG311  -0.094 !   17.735
ATOM C8     CG321  -0.183 !   18.342
ATOM C9     CG321  -0.217 !   15.714
ATOM H      HGPAM1  0.345 !    7.962
ATOM C10    CG321  -0.184 !   18.342
ATOM C11    CG321  -0.181 !   15.714
ATOM C12    CG331  -0.271 !    0.030
ATOM C13    CG321  -0.180 !    0.030
ATOM C14    CG321  -0.176 !    0.030
ATOM C15    CG331  -0.271 !    0.030
ATOM H2     HGA1    0.090 !    1.100
ATOM H3     HGA1    0.090 !    2.536
ATOM H4     HGA1    0.090 !    0.000
ATOM H5     HGA2    0.090 !    0.000
ATOM H6     HGA2    0.090 !    0.000
ATOM H7     HGA2    0.090 !    0.750
ATOM H8     HGA2    0.090 !    0.750
ATOM H9     HGA2    0.090 !    0.000
ATOM H10    HGA2    0.090 !    0.000
ATOM H11    HGA1    0.090 !    2.536
ATOM H12    HGA2    0.090 !    0.750
ATOM H13    HGA2    0.090 !    0.750
ATOM H14    HGA2    0.090 !    0.000
ATOM H15    HGA2    0.090 !    0.000
ATOM H16    HGA2    0.090 !    0.750
ATOM H17    HGA2    0.090 !    0.750
ATOM H18    HGA2    0.090 !    0.000
ATOM H19    HGA2    0.090 !    0.000
ATOM H20    HGA3    0.090 !    0.000
ATOM H21    HGA3    0.090 !    0.000
ATOM H22    HGA3    0.090 !    0.000
ATOM H23    HGA2    0.090 !    0.000
ATOM H24    HGA2    0.090 !    0.000
ATOM H25    HGA2    0.090 !    0.000
ATOM H26    HGA2    0.090 !    0.000
ATOM H27    HGA3    0.090 !    0.000
ATOM H28    HGA3    0.090 !    0.000
ATOM H29    HGA3    0.090 !    0.000
               ! Bond order
BOND N    H    ! 1
BOND N    C2   ! 1
BOND N    C7   ! 1
BOND C1   C4   ! 1
BOND C1   C3   ! 1
BOND C1   C2   ! 1
BOND C2   C5   ! 1
BOND C3   C13  ! 1
BOND C3   C6   ! 1
BOND C4   C8   ! 1
BOND C5   C9   ! 1
BOND C6   C9   ! 1
BOND C7   C8   ! 1
BOND C7   C10  ! 1
BOND C10  C11  ! 1
BOND C11  C12  ! 1
BOND C13  C14  ! 1
BOND C14  C15  ! 1
BOND C1   H2   ! 1
BOND C2   H3   ! 1
BOND C3   H4   ! 1
BOND C4   H5   ! 1
BOND C4   H6   ! 1
BOND C5   H7   ! 1
BOND C5   H8   ! 1
BOND C6   H9   ! 1
BOND C6   H10  ! 1
BOND C7   H11  ! 1
BOND C8   H12  ! 1
BOND C8   H13  ! 1
BOND C9   H14  ! 1
BOND C9   H15  ! 1
BOND C10  H16  ! 1
BOND C10  H17  ! 1
BOND C11  H18  ! 1
BOND C11  H19  ! 1
BOND C12  H20  ! 1
BOND C12  H21  ! 1
BOND C12  H22  ! 1
BOND C13  H23  ! 1
BOND C13  H24  ! 1
BOND C14  H25  ! 1
BOND C14  H26  ! 1
BOND C15  H27  ! 1
BOND C15  H28  ! 1
BOND C15  H29  ! 1

END

read param card flex append
* Parameters generated by analogy by
* CHARMM General Force Field (CGenFF) program version 0.9.7.1 beta
*

! Penalties lower than 10 indicate the analogy is fair; penalties between 10
! and 50 mean some basic validation is recommended; penalties higher than
! 50 indicate poor analogy and mandate extensive validation/optimization.

BONDS
CG311  CG311   222.50     1.5000 ! PROT alkane update, adm jr., 3/2/92
CG311  CG321   222.50     1.5380 ! PROT alkane update, adm jr., 3/2/92
CG311  NG311   263.00     1.4740 ! Pose , from CG321 NG311, PENALTY= 4
CG311  HGA1    309.00     1.1110 ! PROT alkane update, adm jr., 3/2/92
CG321  CG321   222.50     1.5300 ! PROT alkane update, adm jr., 3/2/92
CG321  CG331   222.50     1.5280 ! PROT alkane update, adm jr., 3/2/92
CG321  HGA2    309.00     1.1110 ! PROT alkane update, adm jr., 3/2/92
CG331  HGA3    322.00     1.1110 ! PROT alkane update, adm jr., 3/2/92
NG311  HGPAM1  447.80     1.0190 ! AMINE aliphatic amines

ANGLES
CG311  CG311  CG311    53.35    111.00    8.00   2.56100 ! PROT alkane
update, adm jr., 3/2/92
CG311  CG311  CG321    53.35    111.00    8.00   2.56100 ! PROT alkane
update, adm jr., 3/2/92
CG311  CG311  NG311    43.70    112.20 ! Pose , from CG331 CG321
NG311, PENALTY= 5.5
CG311  CG311  HGA1     34.50    110.10   22.53   2.17900 ! PROT alkane
update, adm jr., 3/2/92
CG321  CG311  CG321    58.35    113.50   11.16   2.56100 ! LIPID glycerol
CG321  CG311  NG311    43.70    112.20 ! Pose , from CG331 CG321
NG311, PENALTY= 4.9
CG321  CG311  HGA1     34.50    110.10   22.53   2.17900 ! PROT alkane
update, adm jr., 3/2/92
NG311  CG311  HGA1     32.40    109.50   50.00   2.13000 ! Pose , from
NG311 CG321 HGA2, PENALTY= 4
CG311  CG321  CG321    58.35    113.50   11.16   2.56100 ! PROT alkanes
CG311  CG321  HGA2     33.43    110.10   22.53   2.17900 ! PROT alkanes
CG321  CG321  CG321    58.35    113.60   11.16   2.56100 ! PROT alkane
update, adm jr., 3/2/92
CG321  CG321  CG331    58.00    115.00    8.00   2.56100 ! PROT alkane
update, adm jr., 3/2/92
CG321  CG321  HGA2     26.50    110.10   22.53   2.17900 ! PROT alkane
update, adm jr., 3/2/92
CG331  CG321  HGA2     34.60    110.10   22.53   2.17900 ! PROT alkane
update, adm jr., 3/2/92
HGA2   CG321  HGA2     35.50    109.00    5.40   1.80200 ! PROT alkane
update, adm jr., 3/2/92
CG321  CG331  HGA3     34.60    110.10   22.53   2.17900 ! PROT alkane
update, adm jr., 3/2/92
HGA3   CG331  HGA3     35.50    108.40    5.40   1.80200 ! PROT alkane
update, adm jr., 3/2/92
CG311  NG311  CG311    40.50    112.20    5.00   2.42170 ! Pose , from
CG3AM1 NG311 CG3AM1, PENALTY= 35
CG311  NG311  HGPAM1   35.00    111.00 ! Pose , from CG321 NG311
HGPAM1, PENALTY= 0.6

DIHEDRALS
CG311  CG311  CG311  CG321      0.5000  4   180.00 ! NA bkb
CG311  CG311  CG311  NG311      0.1400  3     0.00 ! Pose , from CG311
CG311 CG311 OG311, PENALTY= 38
CG311  CG311  CG311  HGA1       0.1950  3     0.00 ! NA, sugar
CG321  CG311  CG311  CG321      0.5000  4   180.00 ! NA, sugar
CG321  CG311  CG311  NG311      0.2000  3   180.00 ! Pose , from CG321
CG311 CG321 OG302, PENALTY= 37.5
CG321  CG311  CG311  HGA1       0.1950  3     0.00 ! NA, sugar
NG311  CG311  CG311  HGA1       0.1600  3     0.00 ! Pose , from NG311
CG321 CG331 HGA3, PENALTY= 15
HGA1   CG311  CG311  HGA1       0.1950  3     0.00 ! NA, sugar
CG311  CG311  CG321  CG321      0.2000  3     0.00 ! CHL1, Cholesterol
reset to default by kevo
CG311  CG311  CG321  HGA2       0.1950  3     0.00 ! NA, sugar
CG321  CG311  CG321  CG321      0.2000  3     0.00 ! PROT alkane
update, adm jr., 3/2/92
CG321  CG311  CG321  HGA2       0.1950  1     0.00 ! NA, sugar
NG311  CG311  CG321  CG321      0.1950  3     0.00 ! Pose , from NG3P2
CG314 CG321 CG321, PENALTY= 37
NG311  CG311  CG321  HGA2       0.1600  3     0.00 ! Pose , from NG311
CG321 CG331 HGA3, PENALTY= 10
HGA1   CG311  CG321  CG321      0.1950  3     0.00 ! NA abasic nucleoside
HGA1   CG311  CG321  HGA2       0.1950  3     0.00 ! NA, sugar
CG311  CG311  NG311  CG311      2.5000  1   180.00 ! Pose , from NG311
CG321 NG311 CG2R61, PENALTY= 117
CG311  CG311  NG311  CG311      1.5000  2     0.00 ! Pose , from NG311
CG321 NG311 CG2R61, PENALTY= 117
CG311  CG311  NG311  CG311      0.5000  3     0.00 ! Pose , from NG311
CG321 NG311 CG2R61, PENALTY= 117
CG311  CG311  NG311  HGPAM1     0.1000  3     0.00 ! Pose , from CG331
CG321 NG311 HGP1, PENALTY= 7
CG321  CG311  NG311  CG311      2.5000  1   180.00 ! Pose , from NG311
CG321 NG311 CG2R61, PENALTY= 117
CG321  CG311  NG311  CG311      1.5000  2     0.00 ! Pose , from NG311
CG321 NG311 CG2R61, PENALTY= 117
CG321  CG311  NG311  CG311      0.5000  3     0.00 ! Pose , from NG311
CG321 NG311 CG2R61, PENALTY= 117
CG321  CG311  NG311  HGPAM1     0.1000  3     0.00 ! Pose , from CG331
CG321 NG311 HGP1, PENALTY= 6.4
HGA1   CG311  NG311  CG311      0.0000  3   180.00 ! Pose , from HGA2
CG321 NG311 CG2R61, PENALTY= 77.5
HGA1   CG311  NG311  HGPAM1     0.0500  3     0.00 ! Pose , from HGA2
CG321 NG311 HGPAM1, PENALTY= 4
CG311  CG321  CG321  CG311      0.1950  3     0.00 ! PROT alkane
update, adm jr., 3/2/92
CG311  CG321  CG321  CG321      0.5000  3     0.00 ! CARBOCY carbocyclic sugars
CG311  CG321  CG321  CG321      0.5000  6   180.00 ! CARBOCY carbocyclic sugars
CG311  CG321  CG321  CG331      0.1505  2     0.00 ! Pose , from CG321
CG321 CG321 CG331, PENALTY= 0.6
CG311  CG321  CG321  CG331      0.0813  3   180.00 ! Pose , from CG321
CG321 CG321 CG331, PENALTY= 0.6
CG311  CG321  CG321  CG331      0.1082  4     0.00 ! Pose , from CG321
CG321 CG321 CG331, PENALTY= 0.6
CG311  CG321  CG321  CG331      0.2039  5     0.00 ! Pose , from CG321
CG321 CG321 CG331, PENALTY= 0.6
CG311  CG321  CG321  HGA2       0.1950  3     0.00 ! NA abasic nucleoside
CG321  CG321  CG321  HGA2       0.1950  3     0.00 ! LIPID alkanes
CG331  CG321  CG321  HGA2       0.1800  3     0.00 ! LIPID alkane
HGA2   CG321  CG321  HGA2       0.2200  3     0.00 ! LIPID alkanes
CG321  CG321  CG331  HGA3       0.1600  3     0.00 ! PROT rotation
barrier in Ethane (SF)
HGA2   CG321  CG331  HGA3       0.1600  3     0.00 ! PROT rotation
barrier in Ethane (SF)

IMPROPERS

END
RETURN



On Sat, Mar 28, 2015 at 5:51 PM, Justin Lemkul <jalemkul at vt.edu> wrote:

>
>
> On 3/28/15 7:05 AM, Priya Das wrote:
>
>> I am sorry to bother again and again.  I am new to it and still learning
>> the basics.
>> My molecule is a decahydroquinoline. The paramchem generated .str file is
>> HERE
>> <https://cgenff.paramchem.org/initguess/filedownload.php?
>> file=20150328/Pose1.str>
>> .
>>
>
> That file is not accessible.  I'm not sure why there are high penalties in
> that molecule; it is very straightforward.
>
>  I am following CGennFF tutorial and your instructions as HERE
>> <http://mackerell.umaryland.edu/~kenno/cgenff/program.html>. As penalties
>> are there i need to use QM, but i am not able to run CHARMM simulations as
>> CHARMM is not freely available. So tried to use this Toolkit
>> <http://www.ks.uiuc.edu/Research/vmd/plugins/fftk/>, but still in vain.
>>
>>
> Because neither CHARMM nor fftk do what you need to do.  You need QM
> software that is capable of doing geometry optimizations, angle and
> dihedral scans, and vibrational analysis.  We use Gaussian.  If you don't
> have access to that kind of software, you're not going to be able to
> generate the target data you need, simply put.
>
> On the MM side, assuming you can generate the QM target data for
> refinement, any package will work - CHARMM, GROMACS, etc.  You don't
> explicitly need CHARMM. You need something that can do energy minimization
> and single-point energy evaluations.
>
>
> -Justin
>
> --
> ==================================================
>
> Justin A. Lemkul, Ph.D.
> Ruth L. Kirschstein NRSA Postdoctoral Fellow
>
> Department of Pharmaceutical Sciences
> School of Pharmacy
> Health Sciences Facility II, Room 629
> University of Maryland, Baltimore
> 20 Penn St.
> Baltimore, MD 21201
>
> jalemkul at outerbanks.umaryland.edu | (410) 706-7441
> http://mackerell.umaryland.edu/~jalemkul
>
> ==================================================
> --
> Gromacs Users mailing list
>
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-- 
*Let us all join hands to save our " Mother Earth"*
------------------------------------------------------------------------
Regards,
Priya Das
Research Scholar
Dept. of Computational Biology and Bioinformatics,
University of Kerala


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