Re: [AMBER] MMPBSA calculation of large proteins

From: Ray Luo, Ph.D. <ray.luo.uci.edu>
Date: Tue, 8 May 2012 09:39:13 -0700

It won't matter which sander did you use to simulate the system ...
I'm keeping my fingers crossed, :).

Ray

On Tue, May 8, 2012 at 3:02 AM, Jyotsna Bhat <bhat.jyotsna.yahoo.com> wrote:
>
> To Ray Luo,
>
> I have used amber10 while simulation run, will it affect the binding energy result if I use mmpbsa python scripts installed with amber11 version. There may be different parameters applied in amber11 which will give different results with amber10 simulation systems
>
> --- On Mon, 5/7/12, Ray Luo, Ph.D. <ray.luo.uci.edu> wrote:
>
> From: Ray Luo, Ph.D. <ray.luo.uci.edu>
> Subject: Re: [AMBER] MMPBSA calculation of large proteins
> To: "AMBER Mailing List" <amber.ambermd.org>
> Date: Monday, May 7, 2012, 5:15 PM
>
> Why not upgrade to the latest AmberTools? It's free and should resolve
> the issue.
>
> All the best,
> Ray
>
> Ray
>
> On Mon, May 7, 2012 at 9:31 AM, Jyotsna Bhat <bhat.jyotsna.yahoo.com> wrote:
>> I have used Amber10 for MD run and further calculations. I am using perl scripts for mmpbsa.INPUT files
>> for extraction of coordinates as follows:
>> .GENERAL
>> PREFIX                snapshot
>> PATH                  ./
>> COMPLEX               1
>> RECEPTOR              1
>> LIGAND                1
>> COMPT
>>  ../prmtop/complex_vac.prmtop
>> RECPT                 ../prmtop/prot_vac.prmtop
>> LIGPT                 ../prmtop/BIM.prmtop
>> GC                    1
>> AS                    0
>> DC                    0
>> MM                    0
>> GB
>>  0
>> PB                    0
>> MS                    0
>> NM                    0
>> .MAKECRD
>> BOX                   YES
>> NTOTAL                9249
>> NSTART                1
>> NSTOP                 999
>> NFREQ
>>  100
>> NUMBER_LIG_GROUPS     1
>> LSTART                9188
>> LSTOP                 9249
>> NUMBER_REC_GROUPS     1
>> RSTART                1
>> RSTOP                 9187
>> .TRAJECTORY
>> TRAJECTORY           ../strip_mdcrd/2mBIM_nowat.mdcrd
>> .PROGRAMS
>> for binding energy calculation:
>> .GENERAL
>> PREFIX
>>  snapshot
>> PATH                  ./
>> #
>> COMPLEX               1
>> RECEPTOR              1
>> LIGAND                1
>> #
>> COMPT                 ../prmtop/complex_vac.prmtop
>> RECPT                 ../prmtop/prot_vac.prmtop
>> LIGPT                 ../prmtop/BIM.prmtop
>> #
>> GC
>>  0
>> AS                    0
>> DC                    0
>> #
>> MM                    1
>> GB                    1
>> PB                    1
>> MS                    1
>> #
>> NM
>>  0
>> #
>> .PB
>> PROC                  2
>> REFE                  0
>> INDI                  1.0
>> EXDI                  80.0
>> SCALE                 2
>> LINIT                 1000
>> PRBRAD                1.4
>> ISTRNG
>>  0.0
>> RADIOPT               0
>> NPOPT                 1
>> CAVITY_SURFTEN        0.0072
>> CAVITY_OFFSET         0.00
>> #
>> SURFTEN               0.0072
>> SURFOFF               0.00
>> #
>> ################################################################################
>> .MM
>> DIELC                 1.0
>> .GB
>> IGB                   2
>> GBSA                  1
>> SALTCON               0.00
>> EXTDIEL               80.0
>> INTDIEL
>>  1.0
>> #
>> SURFTEN               0.0072
>> SURFOFF               0.00
>> #
>> ################################################################################
>> .MS
>> PROBE                 0.0
>> .
>> Extraction occurs with no problems but after running binding energy script it gives error as follows:
>> /opt/amber10/exe/sander
>> -O -i pbsa_com.in -o pbsa_com.1.out -c ./snapshot_com.crd.1 -p
>> ../prmtop/complex_vac.prmtop not successful
>>
>> log file of binding energy calculation:
>>
>> =>> Init data
>>     Presuming executables of amber suite to be in /opt/amber10/exe
>>
>> =>> Reading input parameters
>>     Found PREFIX => snapshot
>>     Found PATH => ./
>>     Found COMPLEX => 1
>>     Found RECEPTOR => 1
>>     Found LIGAND => 1
>>     Found COMPT => ../prmtop/complex_vac.prmtop
>>     Found RECPT =>
>>  ../prmtop/prot_vac.prmtop
>>     Found LIGPT => ../prmtop/BIM.prmtop
>>     Found GC => 0
>>     Found AS => 0
>>     Found DC => 0
>>     Found MM => 1
>>     Found GB => 1
>>     Found PB => 1
>>     Found MS => 1
>>     Found NM => 0
>>     Found PROC => 2
>>     Found REFE => 0
>>     Found INDI => 1.0
>>     Found EXDI => 80.0
>>     Found SCALE => 2
>>     Found LINIT => 1000
>>     Found PRBRAD => 1.4
>>     Found ISTRNG => 0.0
>>     Found RADIOPT => 0
>>     Found NPOPT => 1
>>     Found CAVITY_SURFTEN => 0.0072
>>     Found CAVITY_OFFSET => 0.00
>>     Found
>>  SURFTEN => 0.0072
>>     Found SURFOFF => 0.00
>>     Found DIELC => 1.0
>>     Found IGB => 2
>>     Found GBSA => 1
>>     Found SALTCON => 0.00
>>     Found EXTDIEL => 80.0
>>     Found INTDIEL => 1.0
>>     Found SURFTEN => 0.0072
>>     Found SURFOFF => 0.00
>>     Found PROBE => 0.0
>>
>> =>> Checking sanity
>>     Checking GENERAL
>>     Setting START to default 1
>>     Setting STOP to default 10e10
>>     Setting OFFSET to default 1
>>     Setting VERBOSE to default 0
>>     Checking MM
>>     Checking PB
>>     Checking GB
>>     Checking MS
>>
>> =>> Creating input
>>     Sander
>>  input
>>     PBSA input
>>
>> =>> Calculating energy / entropy contributions
>>     Calc contrib for ./snapshot_com.crd.1
>>         Calc MM/GB/SAS
>>         Generate PDB
>>         Center PDB
>>         Calc PBSA
>>
>> pbsa_com.1.out:
>>
>> File Assignments:
>> |  MDIN: pbsa_com.in
>> | MDOUT: pbsa_com.1.out
>> |INPCRD:
>>  ./snapshot_com.crd.1
>> |  PARM: ../prmtop/complex_vac.prmtop
>> |RESTRT:
>>  restrt
>> |  REFC: refc
>> | MDVEL:
>>  mdvel
>> |  MDEN: mden
>> | MDCRD:
>>  mdcrd
>> |MDINFO: mdinfo
>> |INPDIP:
>>  inpdip
>> |RSTDIP: rstdip
>>
>>
>>  Here is the input file:
>>
>> File generated by mm_pbsa.pl. Using
>>  PB
>>  &cntrl
>>   ntf    = 1,       ntb    =
>>  0,
>>   igb    = 10,      dielc  = 1.0,
>>   cut    = 999.0,   nsnb   =
>>  99999,
>>   scnb   = 2.0,     scee   = 1.2,
>>   imin   = 1,       maxcyc = 0,       ntmin  = 2,
>>   ivcap  =
>>  0,       cutcap = -1,
>>   xcap   = 0, ycap   = 0, zcap   = 0
>>   idecomp=
>>  0,
>>  &end
>>
>>  &pb
>>   epsin  = 1.0,     epsout  = 80.0,
>>   istrng = 0.0,       radiopt =
>>  0,
>>   sprob  = 1.4,     space   = 0.5,
>>   maxitn = 1000,    npopt   = 1,    dbfopt  = 1,
>>   cavity_surften = 0.0072,  fillratio = 4.00,
>>  cavity_offset   = 0.00,
>>   npbverb= 1
>>  &end
>>
>>
>> --------------------------------------------------------------------------------
>>    1.  RESOURCE   USE:
>> --------------------------------------------------------------------------------
>>
>> | Flags:
>> | New format PARM file being parsed.
>> | Version =    1.000 Date = 08/09/11 Time = 22:39:42
>>  NATOM  =    9249 NTYPES =      18 NBONH =    4578 MBONA  =    4783
>>  NTHETH =
>>  10490 MTHETA =    6457 NPHIH =   19824 MPHIA  =   15978
>>  NHPARM =       0 NPARM  =       0 NNB   =   51187 NRES   =     579
>>  NBONA  =    4783 NTHETA =    6457 NPHIA =   15978 NUMBND =      66
>>  NUMANG =     132 NPTRA  =      49 NATYP =      47 NPHB   =       0
>>  IFBOX  =       0 NMXRS  =      62 IFCAP =       0 NEXTRA =       0
>>  NCOPY  =       0
>>
>>  Implicit solvent radii are modified Bondi radii
>>  (mbondi)
>>
>> |     Memory Use     Allocated
>> |     Real              592745
>> |     Hollerith          56075
>> |     Integer           500704
>> |     Max Pairs              1
>> |     nblistReal
>>  0
>> |     nblist Int             0
>> |       Total             6805 kbytes
>> | Duplicated    0 dihedrals
>> | Duplicated    0 dihedrals
>>
>> --------------------------------------------------------------------------------
>>    2.  CONTROL  DATA  FOR  THE
>>  RUN
>> --------------------------------------------------------------------------------
>>
>>
>>
>> General flags:
>>      imin    =       1, nmropt  =       0
>>
>> Nature and format of input:
>>      ntx     =       1, irest   =       0, ntrx
>>  =       1
>>
>> Nature and format of output:
>>      ntxo    =       1, ntpr    =      50, ntrx    =       1, ntwr    =     500
>>      iwrap   =       0, ntwx    =       0, ntwv    =       0, ntwe    =       0
>>      ioutfm  =       0, ntwprt  =       0, idecomp =       0, rbornstat=      0
>>
>> Potential function:
>>      ntf
>>  =       1, ntb     =       0, igb     =      10, nsnb    =   99999
>>      ipol    =       0, gbsa    =       0, iesp    =       0
>>      dielc   =   1.00000, cut     = 999.00000, intdiel =   1.00000
>>      scnb    =   2.00000, scee    =   1.20000
>>
>> Frozen or restrained atoms:
>>      ibelly  =       0, ntr     =       0
>>
>> Energy minimization:
>>      maxcyc
>>  =       0, ncyc    =      10, ntmin   =       2
>>      dx0     =   0.01000, drms    =   0.00010
>>
>>  ======== Implicit Solvent Initialization ========
>>
>>      Max Nonbonded Pairs: 10405125  2247507 42772001
>>
>>   no. of atoms processed in PB initialization:        9249
>>   NUM  RESI  NAME  TYPE    CHARGE ATM CRG/H   GRP CRG   PB RADI   NP RADI
>>     1  LYS   N     N3    0.096600  0.746100  0.862600  1.550000  1.550000
>>     2  LYS   H1    H     0.216500
>>  0.000000  0.000000  1.300000  1.300000
>>     3  LYS   H2    H     0.216500  0.000000  0.000000  1.300000  1.300000
>>     4  LYS   H3    H     0.216500  0.000000  0.000000  1.300000  1.300000
>>     5  LYS   CA    CT   -0.001500  0.116500  1.661800  1.700000  1.700000
>>     6  LYS   HA    HP    0.118000  0.000000  0.000000  1.300000  1.300000
>>     7  LYS   CB    CT    0.021200  0.077800  0.213700  1.700000  1.700000
>>     8  LYS   HB2   HC    0.028300  0.000000
>>  0.000000  1.300000  1.300000
>> .
>> .
>> .
>> 246  BIM   C20   ca   -0.101600  0.043300 -0.012800  1.700000  1.700000
>>  9247  BIM   H12   ha    0.144900  0.144900  0.144900  1.300000  1.300000
>>  9248  BIM   C21   ca   -0.191300 -0.065000 -0.108300  1.700000  1.700000
>>  9249  BIM   H13   ha    0.126300  0.126300  0.126300  1.300000  1.300000
>>
>>  total system charges (+/-) for PB       -2.9998     1123.8366    -1126.8364
>>  cavity_surften =        0.0072 cavity_offset =
>>  0.0000
>>
>>   SAS Surface: surface dots generated:    366
>> |  INFO: Old style inpcrd file read
>> --------------------------------------------------------------------------------
>>    3.  ATOMIC COORDINATES AND VELOCITIES
>> --------------------------------------------------------------------------------
>>
>> trajectory generated by ptraj
>>  begin time read from input coords =     0.000 ps
>>
>>  Number of triangulated 3-point waters found:
>>  0
>>
>> --------------------------------------------------------------------------------
>>    4.  RESULTS
>> --------------------------------------------------------------------------------
>>
>>   NB-update: residue-based nb list  4087009
>>   NB-update: atom-based nb list   905095
>>
>>
>>  ======== Setting up Grid Parameters ========
>>  Using bounding box for grid setup
>>  Bounding Box Center:      67.500    73.000    67.500
>>  Xmin, Xmax, Xmax-Xmin:    20.518   114.427    93.909
>>  Ymin, Ymax, Ymax-Ymin:    17.394   128.517   111.123
>>  Zmin, Zmax, Zmax-Zmin:    26.562   108.482    81.920
>>    beginning box center at level      1
>>  67.500    73.000    67.500
>>    beginning box center at level      2     67.500    73.000    67.500
>>  Grid dimension at level     1    95  113   83
>>  Grid origin corrected at level     1   -124.500  -155.000  -100.500
>>  Grid dimension at level     2   203  237  179
>>  Grid origin corrected at level     2     16.500    13.500    22.500
>>   SA surface: setting up working radii
>>   SA surface: found nonzero radii        9249
>> Number of SA srf points exposed133796
>>  SA Bomb in sa_arc(): Allocation
>>  aborted           0           0           0
>>            0          41
>>
>> I
>> tried same process by removing calcium zinc ions which are present in
>> respective system but error remains the same. I also tried considering
>> ions as ligand, as receptor but no positive result. I also reduced the
>> protein size by abducting regulatory domain and keeping only active
>> domain but I could not form the neccessary topology files as removal of
>> part of protein cause imbalance of hydrogens due to loss of peptide
>> bond. tleap adds some extra hydrogens on its own but they are not
>> present in original mdcrd trjectory file so i could not use such
>> topology files for calculations.
>>
>> Than you so much for your consideration.
>> Regards,
>> Jyotsna
>>
>>
>>
>> --- On Mon, 5/7/12, Jason Swails <jason.swails.gmail.com> wrote:
>>
>> From: Jason Swails <jason.swails.gmail.com>
>> Subject: Re: [AMBER] MMPBSA calculation of large proteins
>> To: "AMBER Mailing List" <amber.ambermd.org>
>> Date: Monday, May 7, 2012, 2:14 PM
>>
>> We need more information.
>>
>> What version of Amber/AmberTools are you using?  Which MM/PBSA script are
>> you using?  What is your input file?  What is your *exact* error (not just
>> part of your error).  Based on the provided information it's impossible to
>> debug any further.
>>
>> All the best,
>> Jason
>>
>> On Mon, May 7, 2012 at 2:58 AM, Jyotsna Bhat <bhat.jyotsna.yahoo.com> wrote:
>>
>>> Dear AMBER users,
>>>     I am trying to run MMPBSA script on 10 ns simulation trajectory.( My
>>> protein-ligand complex system has 579 residues. It is a multidomain
>>> protein; active domain and regulatory domain are situated far away from
>>> each other, but linked by a large loop. Ligand is present in an active
>>> domain).  Extraction of coordinates is done successfully but during binding
>>> energy calculation job gets aborted at first coordinate only with the error
>>> "complex_vac.prmtop not successful".I have tried the adjustment with
>>> fillratio (2,3 or 4) but it didn't help. Waiting for suggestions
>>> Thank you.Jyotsna
>>>
>>> _______________________________________________
>>> AMBER mailing list
>>> AMBER.ambermd.org
>>> http://lists.ambermd.org/mailman/listinfo/amber
>>>
>>
>>
>>
>> --
>> Jason M. Swails
>> Quantum Theory Project,
>> University of Florida
>> Ph.D. Candidate
>> 352-392-4032
>> _______________________________________________
>> AMBER mailing list
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Received on Tue May 08 2012 - 10:00:02 PDT
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