From chemistry-request@server.ccl.net  Fri Jun  4 05:37:13 1999
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Date: Fri, 04 Jun 1999 17:34:17 +0800
To: chemistry@ccl.net
From: Yantao Chen <ychen@pplas.icas.ac.cn>
Subject: 3D QSAR
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Dear Sirs:
 
 I am trying to find some useful information on 3D QSAR study, especially
 its application in drug design and synthesis. I also want to know the
 popular softwares utilized in lab. If you can mail me the related materials
 I will greatly appreciate.
 
 Thanks a lot.
 
 Yantao Chen  


**********************************
Yantao Chen, Ph. D.
Group 507, Institute of Chemistry
Chinese Academy of Sciences
P.O. Box 2709, Beijing 100080
P. R. China

Fax: +86-10-62559373
Email: ychen@pplas.icas.ac.cn
**********************************
From chemistry-request@server.ccl.net  Fri Jun  4 09:17:14 1999
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Date: Fri, 04 Jun 1999 21:14:35 +0800
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From: Yantao Chen <ychen@pplas.icas.ac.cn>
Subject: noncovalent interaction
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Dear Sirs:

Are there any experts who can give me some useful information on the
noncovalent interaction between protein and drug, including the
characterization methods used in the spectral elucidation?

Thank you.

Yours

Yantao Chen
**********************************
Yantao Chen, Ph. D.
Group 507, Institute of Chemistry
Chinese Academy of Sciences
P.O. Box 2709, Beijing 100080
P. R. China

Fax: +86-10-62559373
Email: ychen@pplas.icas.ac.cn
**********************************
From chemistry-request@server.ccl.net  Fri Jun  4 14:01:14 1999
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To: chemistry@ccl.net
From: "mario citra" <citra@syrres.com>
Subject: Effective diameters
Date: Fri, 4 Jun 1999 13:55:23 -0400
Message-ID: <19990604175522857.AAA276.398@pc-citra>


I am trying to calculate the largest, effective second largest and effective
smallest diameters of molecules in a three-dimensional Cartesian coordinate
system.  The concept of these diameters was discussed in Schuurmann;
Environ. Toxicol. Chem. 9: 417-428 (1990) and in Opperhuizen et al;
Chemosphere 14: 1871-1896 (1985).  Unfortunately, no method of calculating
these diameters were published.  

Is anyone familiar with these diameters and know how to systematically
calculate them?
**********************************
* Regards,                       *
* Mario J. Citra  PhD		 *
* Syracuse Research Corporation	 *
* 6225 Running Ridge Road	 *
* North Syracuse, New York 13212 *
*				 *
* phone 315-452-8406		 *
* email citra@syrres.com	 *
**********************************

From chemistry-request@server.ccl.net  Thu Jun  3 11:16:01 1999
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From: Luis Enrique Sansores <lesc@casper.iimatercu.unam.mx>
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As the III-CISTCP is approaching we let you know that there is a web
page
for the congress

http://elmer.iimatercu.unam.mx/CISTCP

You will find all information available at this moment at this place.
Just a word of caution, since the UNAM is going through a strike,  some
communications may be difficult. For this reason we have changed the
early registration dead line to july 31st.

Sincerely

--
Luis Enrique Sansores
Instituto de Investigaciones en Materiales, UNAM
Apartado Postal 70-360
Mexico D.F. 01020
Mexico
Tel: (52)(5) 622-4637   Fax: (52)(5) 616-1251
e-mail: sansores@servidor.unam.mx       lesc@casper.iimatercu.unam.mx



From chemistry-request@server.ccl.net  Thu Jun  3 11:58:12 1999
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From: "Armando Navarro" <qoajnv@usc.es>
To: <CHEMISTRY@ccl.net>
Subject: NT background processes
Date: Wed, 3 Jun 1998 17:50:48 +0200

Dear All:
There is an easy manner to run programs as background processes under =
WindowsNT4.0?
I have used the telnet server from microsoft NT services for UNIX for =
such purpose but the commercial version  seems not to allow it.
Thanks in Advance

Armando Navarro V=E1zquez
Departamento de quimica organica
Facultade de  quimica
Universidade de Santiago de Compostela
e-mail:qoajnv@uscmail.usc.es


From chemistry-request@server.ccl.net  Thu Jun  3 13:01:40 1999
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From: "Armando Navarro" <qoajnv@usc.es>
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Subject: CAS activation barrier
Date: Wed, 3 Jun 1998 18:04:18 +0200

Dear All:
I have been computing some transition states of  radical additions to alkenes.
I have done CASSCF(3,3) calculations, the active space consisted of the alkene
HOMO-LUMO pi orbitals and the sp3-like methyl radical SOMO.
Is it correct to compute the activation energy as the difference between
the above calculation minus the summation of methyl radical ROHF energy
and a CAS(2,2) calculation on the alkene (with the two pi orbitals)?

Armando Navarro V=E1zquez
Departamento de quimica organica
Facultade de  quimica
Universidade de Santiago de Compostela
e-mail:qoajnv@uscmail.usc.es

From chemistry-request@server.ccl.net  Thu Jun  3 14:49:38 1999
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Date: Thu, 3 Jun 1999 19:53:12 -0200
From: xavier@stark.udg.es (Xavier Fradera)
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To: chemistry@ccl.net

Hi,

I need to transform sybyl atom types to the atom types used by the MM2 or
MM3 forces-field (or any other force-field available in the program TINKER).
I need to do this automatically for a large number of molecules, so I would
like to know if it is possible to obtain a table relating the atom types of 
sybyl and other force fields. Of course, suggestions about conversion programs
that could do it are also welcome.

Thanks.

--
Xavier Fradera
Institute of Computational Chemistry
University of Girona, CATALONIA

From chemistry-request@server.ccl.net  Fri Jun  4 23:47:42 1999
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Subject: question about autodock
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Hi, everyone:
   I am an new man in the CCL. 
   Here is a question I wish you can help me. I am using AUTODOCK(ver
2.4) to dock my ligand, but I find almost all of the result of the
position of ligand have bumps with the receptor. Does someone have met
the problem in the work, maybe there are some mistakes in my setup. Hope
to hear from you soon.


With best regards,
Mao Xiang



  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|  Mao Xiang                                                      |
|  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                                           |
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
