Re: [AMBER] Fwd: NMODE list index out of range error

From: Sangeetha B <sangeetha.bicpu.edu.in>
Date: Wed, 8 Feb 2012 20:05:30 +0530

Hi Jason,


Thanks for your reply. Atlast you helped me find a solution to this
problem. I am eagerly waiting for the bugfix release.


-- 
Thank you,
With regards,
B. Sangeetha
Ph.D Scholar,
Centre for Bioinformatics,
Pondicherry University,
Pondicherry,
India
On Wed, Feb 8, 2012 at 1:35 AM, Jason Swails <jason.swails.gmail.com> wrote:
> I found the bug.  I didn't catch it at first because it had already been
> fixed in the development version.  I created a bugfix for it (on
> http://ambermd.org/bugfixesat.html) which should appear sometime in the
> next day or two.  I verified after applying that fix that it properly
> parsed your files.  It will be bugfix.27 on that page.
>
> Thanks for the report!
> Jason
>
> On Tue, Feb 7, 2012 at 11:51 AM, Jason Swails <jason.swails.gmail.com
> >wrote:
>
> > I can't see anything wrong with your nm output files.  Does the MMPBSA.py
> > test pass for normal mode entropy calculations?
> >
> > On Tue, Feb 7, 2012 at 6:52 AM, Sangeetha B <sangeetha.bicpu.edu.in
> >wrote:
> >
> >> Hi,
> >>
> >> I am still expecting some solutions for my problem in running Normal
> mode
> >> analysis.
> >>
> >>
> >>
> >> --
> >> Thank you,
> >>
> >> With regards,
> >> B. Sangeetha
> >> Ph.D Scholar,
> >> Centre for Bioinformatics,
> >> Pondicherry University,
> >> Pondicherry,
> >> India
> >>
> >>
> >>
> >> ---------- Forwarded message ----------
> >> From: Sangeetha B <sangeetha.bicpu.edu.in>
> >> Date: Thu, Feb 2, 2012 at 9:48 AM
> >> Subject: Re: [AMBER] NMODE list index out of range error
> >> To: AMBER Mailing List <amber.ambermd.org>
> >>
> >>
> >> Hi,
> >>
> >> Thanks for the reply.. After the minimization of each frame, it says
> >> "convergence satisfied".
> >> I have attached all the _MMPBSA_*_nm.out files as a zipped archive with
> >> this mail.
> >>
> >> I thank you a lot in advance. It will be very helpful if someone can
> solve
> >> this issue..
> >>
> >>
> >> --
> >> Thank you,
> >>
> >> With regards,
> >> B. Sangeetha
> >> Ph.D Scholar,
> >> Centre for Bioinformatics,
> >> Pondicherry University,
> >> Pondicherry,
> >> India
> >>
> >>
> >> On Sat, Jan 28, 2012 at 9:12 PM, Jason Swails <jason.swails.gmail.com
> >> >wrote:
> >>
> >> > Can you send your _MMPBSA_*_nm.out files so I can take a look at them?
> >> >
> >> > It appears that for some reason one of the snapshots didn't minimize
> >> > completely and so there are different numbers of frames for the
> complex
> >> > receptor and ligand. However, MMPBSA should have exited more
> gracefully
> >> or
> >> > readjusted silently.
> >> >
> >> > It may also be the case that no snapshot could minimize enough for the
> >> > complex or receptor or something, so there was no data to analyze.
> >> Again,
> >> > the error reporting should be better.
> >> >
> >> > All the best,
> >> > Jason
> >> >
> >> > --
> >> > Jason Swails
> >> > Quantum Theory Project,
> >> > University of Florida
> >> > Ph.D. Candidate
> >> > 352-392-4032
> >> >
> >> > On Jan 28, 2012, at 1:43 AM, Sangeetha B <sangeetha.bicpu.edu.in>
> >> wrote:
> >> >
> >> > > Hi,
> >> > >
> >> > > I have done a 5ns simulation for a protein-ligand complex and I want
> >> to
> >> > > calculate the entropy of binding for this complex using Normal Mode
> >> > > analysis.
> >> > > I have restricted my calculation to include only the residues within
> >> 12
> >> > > angstroms of the active site.
> >> > > I run this nmode in serial in CPU mode of Tesla C2050 with a 16 GB
> >> RAM.
> >> > > When i run this even for something as less as 2 frames, i get the
> >> > following
> >> > > error.
> >> > >
> >> > > Reading command-line arguments and input files...
> >> > > Loading and checking parameter files for compatibility...
> >> > > ptraj found! Using /usr/local/amber11/bin/ptraj
> >> > > nmode program found! Using /usr/local/amber11/bin/mmpbsa_py_nabnmode
> >> > > Preparing trajectories for simulation...
> >> > > 500 frames were read in and processed by ptraj for use in
> calculation.
> >> > >
> >> > >
> >> > > Beginning nmode calculations with mmpbsa_py_nabnmode...
> >> > > Calculating normal modes for 2 frames
> >> > >
> >> > >  calculating complex  contribution for frame 0
> >> > >  calculating receptor contribution for frame 0
> >> > >  calculating  ligand  contribution for frame 0
> >> > >  calculating complex  contribution for frame 1
> >> > >  calculating receptor contribution for frame 1
> >> > >  calculating  ligand  contribution for frame 1
> >> > > Traceback (most recent call last):
> >> > >  File "/usr/local/amber11/AmberTools/src/mmpbsa_py/MMPBSA.py", line
> >> 1344,
> >> > > in <m
> >> > > odule>
> >> > >    outfile.write(str(nmodenorm))
> >> > >  File
> >> > >
> >>
> "/usr/local/amber11/AmberTools/src/mmpbsa_py/MMPBSA_mods/amberoutputs.py"
> >> > > , line 2263, in __str__
> >> > >    totavg, totstdev = self.AvgStdev()
> >> > >  File
> >> > >
> >>
> "/usr/local/amber11/AmberTools/src/mmpbsa_py/MMPBSA_mods/amberoutputs.py"
> >> > > , line 2302, in AvgStdev
> >> > >    stdev = self._tot_stdevs()
> >> > >  File
> >> > >
> >>
> "/usr/local/amber11/AmberTools/src/mmpbsa_py/MMPBSA_mods/amberoutputs.py"
> >> > > , line 2319, in _tot_stdevs
> >> > >    sum += self.com_data[0][i] - self.rec_data[0][i] -
> >> self.lig_data[0][i]
> >> > > IndexError: list index out of range
> >> > >
> >> > >
> >> > > The input file that I used is as below:
> >> > >
> >> > > Input file:
> >> > > |--------------------------------------------------------------
> >> > > |NMODE
> >> > > |&general
> >> > > |   verbose=1, interval=5, strip_mdcrd=0,
> >> > > |/
> >> > > |&nmode
> >> > > |  maxcyc=50000, nminterval=250, nmode_igb=1,
> >> > > |/
> >> > >
> >> > > and the command I used to run this is "/usr/local/amber11/bin/MMPBSA
> >> -i
> >> > > nm_5e.in -cp comp_strip.prmtop -rp prot_strip.prmtop -lp
> >> > > ligand5e_vac.prmtop -y comp5e_md1_5_12a.mdcrd"
> >> > >
> >> > > A file named "FINAL_RESULTS_MMPBSA.dat" is being generated but there
> >> is
> >> > no
> >> > > Delta S value in it.. The contents of this file is shown below:
> >> > >
> >> > > | Run on Fri Jan 27 23:13:57 IST 2012
> >> > >
> >> > > |Input file:
> >> > > |--------------------------------------------------------------
> >> > > |NMODE
> >> > > |&general
> >> > > |   verbose=1, interval=5, strip_mdcrd=0,
> >> > > |/
> >> > > |&nmode
> >> > > |  maxcyc=50000, nminterval=250, nmode_igb=1,
> >> > > |/
> >> > > |--------------------------------------------------------------
> >> > > |Complex topology file:           comp_strip.prmtop
> >> > > |Receptor topology file:          prot_strip.prmtop
> >> > > |Ligand topology file:            ligand5e_vac.prmtop
> >> > > |Initial mdcrd(s):                comp5e_md1_5_12a.mdcrd
> >> > > |
> >> > > |Best guess for receptor mask:   ":1-109"
> >> > > |Best guess for  ligand  mask:   ":110"
> >> > > |Ligand residue name is "UNK"
> >> > > |
> >> > > |Calculations performed using 500 frames.
> >> > > |NMODE calculations performed using 2 frames.
> >> > > |
> >> > > |All units are reported in kcal/mole.
> >> > > |All entropy results have units kcal/mole (Temperature is 298.15 K).
> >> > >
> >> >
> >>
> -------------------------------------------------------------------------------
> >> > >
> >> >
> >>
> -------------------------------------------------------------------------------
> >> > >
> >> > >
> >> > > Can someone please tell me what is going wrong... Is the problem
> with
> >> the
> >> > > memory available in the system?
> >> > > _______________________________________________
> >> > > AMBER mailing list
> >> > > AMBER.ambermd.org
> >> > > http://lists.ambermd.org/mailman/listinfo/amber
> >> >
> >> > _______________________________________________
> >> > AMBER mailing list
> >> > AMBER.ambermd.org
> >> > http://lists.ambermd.org/mailman/listinfo/amber
> >> >
> >>
> >> _______________________________________________
> >> 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
> >
>
>
>
> --
> Jason M. Swails
> Quantum Theory Project,
> University of Florida
> Ph.D. Candidate
> 352-392-4032
> _______________________________________________
> AMBER mailing list
> AMBER.ambermd.org
> http://lists.ambermd.org/mailman/listinfo/amber
>
_______________________________________________
AMBER mailing list
AMBER.ambermd.org
http://lists.ambermd.org/mailman/listinfo/amber
Received on Wed Feb 08 2012 - 07:00:02 PST
Custom Search