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From: Asim Kumar Debnath <adebnath@nybc.org>
Organization: New York Blood Center
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Hi Dave:
    I think Corwin Hansch's book will be an excellent choice but for beginners
I would strongly suggest another book Edited by Hansch, Sammes and Taylor, "
Comprehensive Medicinal Chemistry - Vol 4 from Pergaman". This volume covers
almost every aspect of fundamental QSAR principles including history and
background. Each chapter also has a great compilation of references that will be
very valuable for further reading. But this book is not cheap either. You might
get from some libraries.
    Hope this helps.

Asim Debnath

"Shobe, Dave" wrote:

> I would like to teach myself QSPAR (quantitative
> structure/properties/activity relationships) and am looking for a "textbook"
> appropriate for self-study. Does anyone have any recommendations?  Two
> possibilities I've found are:
>
> Molecular Descriptors in QSAR/QSPR including CD-ROM
> Mati Karelson (John Wiley & Sons, Feb. 2000) $195.00
>
> Exploring QSAR (2 volumes)
> Corwin Hansch and Albert Leo (Am. Chem. Soc., March 1995) $163.00
>
> If anyone has seen these and can review them regarding:
> (1) suitability as an introduction to the subject
> (2) usefulness as a reference later
> (3) value--these seem pricey even for scientific textbooks
> it would be appreciated.
>
> I am not employed in the pharmaceutical industry (nor am I planning to
> unless things turn sour at my current job), but I would like to round out my
> "chemoinformatics" knowledge, as my background includes computational
> chemistry and information science.
>
> --David Shobe
>
> -= This is automatically added to each message by mailing script =-
> CHEMISTRY@ccl.net -- To Everybody    |   CHEMISTRY-REQUEST@ccl.net -- To Admins
> MAILSERV@ccl.net -- HELP CHEMISTRY or HELP SEARCH
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> Ftp: ftp.ccl.net  |  WWW: http://www.ccl.net/chemistry/   | Jan: jkl@ccl.net

--

=======================================================================

             ***
             ***
            ****                Asim K. Debnath, Ph.D.
           ****                 Lindsley F. Kimball Research Institute
          ****  ***             The New York Blood Center
         ****    ****           310 E 67 Th Street
        ****  **  ****          New York, NY 10021
       ****  ****  ****         Tel. (212) 570-3373
      ****    **    ****        Fax. (212) 570-3299
       ****************         E-mail: adebnath@nybc.org
        **************

========================================================================



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<html>
Hi Dave:
<br>&nbsp;&nbsp;&nbsp; I&nbsp;think Corwin Hansch's book will be an excellent
choice but for beginners I&nbsp;would strongly suggest another book Edited
by Hansch, Sammes and Taylor, " Comprehensive Medicinal Chemistry - Vol
4 from Pergaman". This volume covers almost every aspect of fundamental
QSAR principles including history and background. Each chapter also has
a great compilation of references that will be very valuable for further
reading. But this book is not cheap either. You might get from some libraries.
<br>&nbsp;&nbsp;&nbsp; Hope this helps.
<p>Asim Debnath
<p>"Shobe, Dave" wrote:
<blockquote TYPE=CITE>I would like to teach myself QSPAR (quantitative
<br>structure/properties/activity relationships) and am looking for a "textbook"
<br>appropriate for self-study. Does anyone have any recommendations?&nbsp;
Two
<br>possibilities I've found are:
<p>Molecular Descriptors in QSAR/QSPR including CD-ROM
<br>Mati Karelson (John Wiley &amp; Sons, Feb. 2000) $195.00
<p>Exploring QSAR (2 volumes)
<br>Corwin Hansch and Albert Leo (Am. Chem. Soc., March 1995) $163.00
<p>If anyone has seen these and can review them regarding:
<br>(1) suitability as an introduction to the subject
<br>(2) usefulness as a reference later
<br>(3) value--these seem pricey even for scientific textbooks
<br>it would be appreciated.
<p>I am not employed in the pharmaceutical industry (nor am I planning
to
<br>unless things turn sour at my current job), but I would like to round
out my
<br>"chemoinformatics" knowledge, as my background includes computational
<br>chemistry and information science.
<p>--David Shobe
<p>-= This is automatically added to each message by mailing script =-
<br>CHEMISTRY@ccl.net -- To Everybody&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp; CHEMISTRY-REQUEST@ccl.net
-- To Admins
<br>MAILSERV@ccl.net -- HELP CHEMISTRY or HELP SEARCH
<br>CHEMISTRY-SEARCH@ccl.net -- archive search&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;
Gopher: gopher.ccl.net 70
<br>Ftp: ftp.ccl.net&nbsp; |&nbsp; WWW: <a href="http://www.ccl.net/chemistry/">http://www.ccl.net/chemistry/</a>&nbsp;&nbsp;
| Jan: jkl@ccl.net</blockquote>

<pre>--&nbsp;



=======================================================================

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ***
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ***&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ****&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Asim K. Debnath, Ph.D.
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ****&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Lindsley F. Kimball Research Institute&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ****&nbsp; ***&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The New York Blood Center
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ****&nbsp;&nbsp;&nbsp; ****&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 310 E 67 Th Street
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ****&nbsp; **&nbsp; ****&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; New York, NY 10021
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ****&nbsp; ****&nbsp; ****&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Tel. (212) 570-3373
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ****&nbsp;&nbsp;&nbsp; **&nbsp;&nbsp;&nbsp; ****&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Fax. (212) 570-3299
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ****************&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; E-mail: adebnath@nybc.org
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **************&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
========================================================================</pre>
&nbsp;</html>

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From chemistry-request@server.ccl.net  Mon Nov 20 15:51:27 2000
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Date: Mon, 20 Nov 2000 12:49:18 -0800 (PST)
From: Jiansuo Wang <jiansuowang@yahoo.com>
Subject: DOCK program on Linux?
To: chemistry@ccl.net
Cc: jiansuowang@yahoo.com
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Dear cclers,

DOCK, developed by Professor Kuntz's group, uses
database and docking procedure to suggest moleclues
targeted at a given receptor. Does anyone successfully
compile the DOCK program on Linux?

Any comments or suggestion are appreciated.

Thanks.

Sincerely yours
Jiansuo Wang

------------------------------------
Dr. Jiansuo Wang
Georgetown University Medical Center
Washington DC, 20007
------------------------------------

__________________________________________________
Do You Yahoo!?
Yahoo! Calendar - Get organized for the holidays!
http://calendar.yahoo.com/


From chemistry-request@server.ccl.net  Tue Nov 21 01:59:19 2000
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From: "Mark A. Thompson" <mthompson@seanet.com>
To: "env chem" <env-chem@mailbase.ac.uk>,
        "organic chem" <orgchem@extreme.chem.rpi.edu>,
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Cc: <mthompson@seanet.com>
Subject: New ArgusLab beta release #3
Date: Mon, 20 Nov 2000 22:57:28 -0800
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=20
There is a new release of ArgusLab version 2, beta build 3
available at:

http://www.seanet.com/~mthompson/ArgusLab


This build includes a fix for the install program.  The new install
is a self-contained executable that contains the Microsoft
Installer runtime.

enjoy
Mark Thompson




ArgusLab is a molecular modeling program for Microsoft Windows operating =
systems.

Overview of 2.0 features:
-----------------------------
1. Interactive 3D Molecule Builder with:
        Interactive 3D manipulator
        Fragment Library
        Beautify Geometry
        Automatically Add/Hide/Delete Hydrogens
        Cut & Paste
        Supports Multiple-Level Undo/Redo.
        Multiple Rendering Styles for Atoms and Bonds
        Geometry Monitors


2. Calculation Types
        Single-Point Energies
        Optimize Geometries
        Electronic Excitation Spectra
        Self Consistent Reaction Field (SCRF) Solvent Model for =
Electronic Spectra


3. Molecular Mechanics=20
        Universal Force Field (UFF) for the entire periodic table


4. Quantum Mechanics
        Extended Huckel for entire periodic table
        MNDO, AM1, and PM3 semi-empirical Hamiltonians
        INDO1/s semi-empirical Hamiltonian
        Restricted and Unrestricted Hartree-Fock SCF


5. File Types: supports XYZ, PDB, and ArgusLab XML file formats.

6. HTML Help

7. No size limitations for molecules or calculations other than =
available system resources

8. Multi-threaded architecture allows multiple molecules opened =
simultaneously and running calculations

9. Runs on Windows 95/98, Windows NT 4.0, Windows 2000


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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>&nbsp;</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>There is a new release of =
ArgusLab=20
version 2, beta build 3</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>available at:</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2><A=20
href=3D"http://www.seanet.com/~mthompson/ArgusLab">http://www.seanet.com/=
~mthompson/ArgusLab</A></FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>This build includes a fix for =
the install=20
program.&nbsp; The new install</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>is a self-contained =
executable that=20
contains the Microsoft</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>Installer =
runtime.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>enjoy</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>Mark Thompson</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>ArgusLab is a molecular =
modeling program=20
for Microsoft Windows operating systems.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>Overview of 2.0 =
features:</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS"=20
size=3D2>-----------------------------</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>1. Interactive 3D Molecule =
Builder=20
with:<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Interactive 3D=20
manipulator<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Fragment=20
Library<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Beautify=20
Geometry<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Automatically =
Add/Hide/Delete=20
Hydrogens<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Cut &amp;=20
Paste<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Supports Multiple-Level=20
Undo/Redo.<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Multiple Rendering =
Styles=20
for Atoms and Bonds<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Geometry=20
Monitors</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2><BR>&nbsp;</DIV></FONT>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>2. Calculation=20
Types<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Single-Point=20
Energies<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Optimize=20
Geometries<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Electronic =
Excitation=20
Spectra<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Self Consistent =
Reaction Field=20
(SCRF) Solvent Model for Electronic Spectra</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2><BR>&nbsp;</DIV></FONT>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>3. Molecular=20
Mechanics&nbsp;<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Universal Force =
Field=20
(UFF) for the entire periodic table</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2><BR>&nbsp;</DIV></FONT>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>4. Quantum=20
Mechanics<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Extended Huckel for =
entire=20
periodic table<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; MNDO, AM1, and =
PM3=20
semi-empirical Hamiltonians<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =
INDO1/s=20
semi-empirical Hamiltonian<BR>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =
Restricted=20
and Unrestricted Hartree-Fock SCF</FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2><BR>&nbsp;</DIV></FONT>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>5. File Types: supports XYZ, =
PDB, and=20
ArgusLab XML file formats.<BR></FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>6. HTML Help<BR></FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>7. No size limitations for =
molecules or=20
calculations other than available system resources<BR></FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>8. Multi-threaded =
architecture allows=20
multiple molecules opened simultaneously and running=20
calculations<BR></FONT></DIV>
<DIV><FONT face=3D"Comic Sans MS" size=3D2>9. Runs on Windows 95/98, =
Windows NT 4.0,=20
Windows 2000<BR></DIV></FONT></DIV></BODY></HTML>

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From chemistry-request@server.ccl.net  Tue Nov 21 03:36:13 2000
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Date: Tue, 21 Nov 2000 16:30:01 +0800 (CST)
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To: chemistry@ccl.net
Subject: QM/MM in CHARMM
In-Reply-To: <Pine.GSO.4.05.10011211353390.1511-100000@ibms>
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 Dear All,
 
 I `ve try to use a QM/MM block of CHARMM programm but I had a problem.
 We use a CHARMM 27b1 version and I create the input file according to
 manual i.e.
 
 first block is generation of molecule  ( for test case I use an ethane)
 
 second block is quantum command and chhosing of link atom, in my case it
 is one of the carbon:
 
 QUANTUM SELE BYNU 1:4 END GLNK SELE BYNU 8 END AM1
 MINI SD NSTEP 1000 npr 10
 
 *******
 
 At this step I had a permanent fatal error: QATLAB is not defined, no
 EXPR group...Does it means that I need to use ADDL command or not? Can
 anybody help to fix this problem because previous version of CHARMM
 (CHARMM 24b2) had another syntax and have no GLNK facilities?
 
 Best regards,
 
 Sergey
 
 Sergey Noskov
 Institute of BioMedical Sciences
 Academia Sinica 
 Taipei 11529,Taiwan R.O.C.
 tel:886-2-27899043 (work)
     886-2-26510783 (home)
 fax:886-2-27887641
 e-mail:syn@ibms.sinica.edu.tw 



From chemistry-request@server.ccl.net  Tue Nov 21 08:45:33 2000
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From: sgaray@fbcb.unl.edu.ar
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Hi to all.
My name is  Alberto Sergio Garay I will begin to work in a MD of 
Biomembranes at the Facultad de Bioquimica y Cs. Biologicas. 
Universidad Nacional del Litoral. Santa Fe. Argentina
I will begin to work in a MD of Biomembranes and I need to 
parametrize a probe for EPR spectroscopy. 
May be someone parametrized some molecule like this: 1-
myristoyl-2-[6-(4,4-dimethyloxazolidine-N-oxyl)myritoyl]-sn-glycero-
3-phosphocholine or may be could give some information about my 
problem.

thank you to all.

From chemistry-request@server.ccl.net  Tue Nov 21 10:06:55 2000
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From: Ben Webb <ben@bellatrix.pcl.ox.ac.uk>
To: syn@ibms.sinica.edu.tw
cc: chemistry@ccl.net
Subject: Re: CCL:QM/MM in CHARMM
In-Reply-To: <Pine.GSO.4.05.10011211626370.3814-100000@ibms>
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On Tue, 21 Nov 2000 syn@ibms.sinica.edu.tw wrote:

>  At this step I had a permanent fatal error: QATLAB is not defined, no
>  EXPR group...Does it means that I need to use ADDL command or not? Can
>  anybody help to fix this problem because previous version of CHARMM
>  (CHARMM 24b2) had another syntax and have no GLNK facilities?

	You don't say which platform you're running CHARMM on, so this
makes it difficult to determine what your problem is. However, this
"undefined QATLAB" problem occurs with CHARMM on GNU platforms
(e.g. Linux) and has only been fixed as of c27b3/c28a3. The fix is
relatively straightforward; add GNU to the ##IF statement immediately
before "external QMMMDATA" in qmset.src, and recompile all of the files
in the quantum directory with the
"-finit-local-zero -fno-automatic" compiler flags (if this is not done the
code fails to carry out an energy calculation).

Hope this helps...

	Ben



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Message-ID: <3A1B15EA.B1877F22@iris.sipp.ac.cn>
Date: Wed, 22 Nov 2000 08:40:10 +0800
From: Mao Xiang <xmao@iris.sipp.ac.cn>
Organization: iris.sipp.ac.cn
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To: chemistry@ccl.net
Subject: summary: adding hydrogen using charmm
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Hello, everyone:
    The day before yesterday, I post a problem about adding hydrogen to
a pdb file using charmm. And in the past two days, I received many reply
about my problem, and now I solve the problem.
    In fact, my problem is not the problem of adding hydrogen, but
reading coordinate. I put a segid name of 'prot' in the last column of
pdb file, and the problem was solved. Here I put all the reply in this
email, and thank all of you who reply me.

-------------------------------------------------------------------------------------
From: ablondel@pasteur.fr
    
  You have a problem reading the coordinate (no N,CA,C,O for amino
acid 1...). There must be a name mismatch between psf and pdb. Change
the pdb accordingly, if appropriate. It seems reasonable that you
cannot build the Hs on a missing N. An advise "learn" to read the
output of charmm carefully. The problem is most of the time signalled
but it may be hundreds of lines before the crash. As a rule of thumb
read every line of output and correct the input until you don't have
any more warnings that may cause a problem.

       
From:  alex@outerbanks.umaryland.edu

the charmm pdb reader is not great.  one suggestion is
to write the coordinates (write coor pdb unit xx) after
doing the generation.  all the coordinates will be 9999.
but it will allow you to see the format that charmm is
looking for.

also, do

ic fill
ic para
ic build

before

hbuild



From: surjit@lctn.u-nancy.fr

Charmm needs a pdb file that has a segname as the last column. So you
need to modify the input pdb file a little for Charmm to appreciate
that. For eg here is a  line from a normal pdb file and the
corresponding one that Charmm appreciates.
Normal pdb
ATOM      1  O1  BTN     1       0.311  -4.640  15.789  1.00  0.00
Charmm PDB
ATOM      1  O1  BTN     1       0.311  -4.640  15.789  1.00  0.00     
BTN
The last column is the segname is call in the psf file.


From: lozg@mail.rochester.edu

It seems that your input file for charmm is ok, but the PDB file is not
ok. Generally I will encounter this problem when I just download a
structure from PDB and throw it to CHARMM. I don't know exactly what
is going on, but it is quite possible that the format of the PDB is
not acceptable by CHARMM. So, what I do is, write a Fortran program to
change the downloaded PDB file to a card file, and serve the CHARMM with
the card file.


From: rvenable@gandalf.cber.nih.gov
 
Actually, you seem to be having a problem with reading coords from the
PDB file.  Also, your IC commands aren't quite right (you don't want IC
FILL), and should probably precede the HBUILD-- you *must* make sure all
heavy atoms have coords before calling HBUILD.  Here's the way I read in
a PDB file for a peptide:

open unit 3 read card name meltna.pdb
read sequ pdb unit 3
rewind unit 3

gener a setup warn first glyp last ct2

! SETUP UNIVERSAL COORD I/O FOR PDB; BETTER THAN read coor pdb
read univ
pdb
w  61  6
end

read coor univ unit 3 sele .not. type H* end
close unit 3

ic param ! FILL IN MISSING VALUES FROM PARAM FILE
ic purge ! CLEANUP IC TABLE
ic build ! BUILD COORDS FROM IC

! FORCE REBUILD OF ALL H ATOM COORDS
coor init sele type H* end
hbuild sele type H* end


  From: syn@ibms.sinica.edu.tw>

! read in NMR coordinates
OPEN READ UNIT 11 CARD NAME -
/home/user/marios/rnase/crd/1rch_15.crd
READ COOR CARD UNIT 11 FREE
CLOSE UNIT 11

! build missing coordinates
IC FILL PRESERVE
IC PARAMETERS
IC BUILD

! place the hydrogens
HBUILD

It is better to use CHARMM use their own coordinate file.



     From: torsten.becker@iwr.uni-heidelberg.de

your problem is not  building the hydrogens, but reading the
coordinates.
Charmm does not read in the coordinates of your system:

>  ** WARNING ** For atom in coordinate file, could not find residue in
> PSF, and is thus ignored:
> 
>   SEGID=     RESID=1    RESNAME= GLU  TYPE= N   
>  *** LEVEL  1 WARNING *** BOMLEV IS    0
> 

charmm does read the coordinates from your pdb, but cannot find a
corresponding
atom in the system you did setup. Charmm identifies a system via a
segment ID
(segid). Since charmm stells you 'segid=   ', i guess you forgot to
specify
the segid in your pdb file. You gave your first segment the name 'prot'
. This
name must be specified in your pdb file, when reading coordinates from
it. I
don't know the exact format now, but in each ATOM/HETATOM line after the
B-factor entry you have to put prot. 


From: ed@bioorganic.ucsb.edu>

Hello, you need to rewind unit 1 before you can
read the coordinates. When you use the " read sequ pdb"
command it reads to the end of the file. When the second
command "read coor pdb" comes the file is still at the 
end so it finds no coordinates. The following should work

! Read sequence from the PDB coordinate file
open unit 1 card read name 1pef.pdb
read sequ pdb unit 1

! now generate the PSF and also the IC table (SETU keyword)

generate prot setu

! read in pdb coordinate file

rewind unit 1

! rewinding the coordinate file

open unit 1 card read name 1pef.pdb
read coor pdb unit 1
close unit 1
------------------------------------------------------------------------


  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|  Xiang Mao                                                     |
|  Lab of Molecular Regulation for Microbial Secondary Metabolism |
|  Shanghai institute of Plant Physiology, Academia Sinica        |
|  300 Fenglin Road, Shanghai, China, 200032                      |
|  Tel: +86-21-64042090-4791                                      |
|  Fax: +86-21-64042385                                           |
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

