From chemistry-request@server.ccl.net Thu Mar 21 01:36:18 2002
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Date: Wed, 20 Mar 2002 22:36:08 -0800 (PST)
From: Xiang Wang <sim_wang@yahoo.com>
Subject: Charmm: Stack overflow error
To: chemistry@ccl.net
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Dear CCLers:

I am using Charmm c25b2 on some covarience analysis. I
couldn't pass it and the error message is:

 CHARMM>     
 COVARI: Covariance matrix output to unit  55
 SELRPN>   3900 atoms have been selected out of   7951
 SELRPN>   3900 atoms have been selected out of   7951
 COVARI: Number of atoms selected for SET13900
 COVARI: Number of atoms selected for SET23900
 STACK> ALLSTK CALLED:: LSTUSD=*******  NUMWRD=*******

      ***** LEVEL -4 WARNING FROM <ALLSTK> *****
      ***** Stack overflow
      ******************************************
      BOMLEV ( -2) IS REACHED - TERMINATING. WRNLEV IS
 5
 Execution terminated due to the detection of a fatal
error.
-----------------------------------------------------

It seems like that's not a hardware problem b/c I ran
the program on different machines and got the same
warning.

Any suggestions? Thanks in advance.

S. Wang


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From chemistry-request@server.ccl.net Thu Mar 21 13:06:41 2002
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From: "Carsten Detering" <detering@u.washington.edu>
To: "ChemistryList" <chemistry@ccl.net>
Subject: delphi for autodock
Date: Thu, 21 Mar 2002 18:51:46 +0100
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Dear fellow CCLers,

I am interested in using Delphi (InsightII) for generating electrostatic
maps for AutoDock. However, when I try to generate the grid in InsightII, I
cannot change the point_spacing for the grid solution without also changing
the points_per_axis. These two values seem to be somehow connected. Could
anyone point out to me, how I can generate a grid that has the same size as
my grid produced by autogrid (60 60 60 and 0.375 grid spacing)?
And, has anyone got a script that converts Delphi grids into autodock grids?
THis question was asked before by someone else, but I couldn't find an
answer.
Thanks a lot in advance,

Carsten




------------------------

Carsten Detering, Ph.D.
University of Washington
Seattle, WA 98195
Phone: 206 543 5081
email: detering@u.washington.edu


From chemistry-request@server.ccl.net Thu Mar 21 15:55:16 2002
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From: "Hongbin Du" <hdu@ned1.sims.nrc.ca>
To: <CHEMISTRY@ccl.net>
Subject: Mulliken population analysis
Date: Thu, 21 Mar 2002 15:54:06 -0500
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Dear CCLers,
It seems to me that Gaussian program does not provide a complete Mulliken
population analysis which gives the composition of the MOs in terms of
various AOs. Could someone please recommand any program that can? Thanks in
advance.

Hongbin Du, PhD
Steacie Institute for Molecular Sciences
National Research Council
Ottawa, Ontario K1A 0R6, Canada


From chemistry-request@server.ccl.net Thu Mar 21 18:50:55 2002
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Date: Thu, 21 Mar 2002 15:50:43 -0800
To: CCL <chemistry@ccl.net>
From: Laurence Lavelle <lavelle@mbi.ucla.edu>
Subject: Chem 3D Ultra 7.0 as a Gaussian interface.
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I tried using Chem 3D version 5 as a Gaussian interface some time back but 
it was full of bugs.

Anyone having successful use of Chem 3D Ultra 7.0 as a Gaussian interface ?
In particular for pdb files ?

Thanks,
Laurence



From chemistry-request@server.ccl.net Thu Mar 21 21:55:46 2002
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Date: Thu, 21 Mar 2002 21:50:10 -0500
From: Rick Venable <rvenable@gandalf.cber.nih.gov>
To: CCL <chemistry@ccl.net>
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Subject: Re: CCL:trajectory file conversion (update)
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The f.p. difference I mentioned for CHARMM vs. CHARMm would seem to be
historical; both use double precision (REAL*8) for coordinate and other
f.p. numbers, and have for some time (years).  I have not yet determined
why I had problems with flipdcd previously-- but I plan to try again
> from source (rather than pre-compiled Linux binary).

I should also note that the trajectory transfer format (produced by DYNA
FORMAT, converted back to binary via DYNA UNFORMAT) was changed at ca.
CHARMM v. 27, in a way that lost backwards compatibility.  It is
strongly recommended that the same CHARMM version be used on both
machine types in order to accomplish trajectory transfer via this
mechanism.

Finally, I should note that while CHARMM is not free, it is available as
academically licensed source for a modest fee, a well crafted letter,
and a bit of patience.  Here's the information from the Karplus group:

	-----------------------------------------------------

We distribute the source code of the CHARMM program with documentation
to individual academic research groups for a $600 licensing fee. CHARMM
runs on a variety of UNIX workstations, including the SG Indigo
machines. No graphics are necessary. The present version of the program
being distributed is C28.

The license is issued to the head of a laboratory or research group.
Please send a letter with the full name and title of the professor in
charge of your group and formal mailing address. Describe briefly the
kind of research for which you intend to use the CHARMM program and the
computers you will be using. The letter should be addressed to:

The CHARMM Development Project
Professor Martin Karplus
Department of Chemistry & Chemical Biology
12 Oxford Street
Harvard University
Cambridge, Massachusetts 02138

	-----------------------------------------------------


=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
Rick Venable           29/500
FDA/CBER/OVRR Biophysics Lab
1401 Rockville Pike    HFM-419
Rockville, MD  20852-1448  U.S.A.
(301) 496-1905   Rick_Venable@nih.gov
ALT email:  rvenable@speakeasy.org
=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=



