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Reply-To: CHEMICAL INFORMATION SOURCES DISCUSSION LIST
              
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From: Gary Wiggins 
Subject:      Daylight software v. 4.51 Released
To: CHMINF-L@LISTSERV.INDIANA.EDU
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                Daylight Chemical Information Systems, Inc.

                       >>>     ANNOUNCEMENT     <<<

                Daylight Software Version 4.51 is Released!

4.51 is now available via the Daylight website and our mirror sites at
Imperial College in England and Indiana University, and on CDROM.

Daylight:            http://www.daylight.com/dayhtml/doc/admin/install451.html
Imperial College:    http://www.ch.ic.ac.uk/daylight-mirror/
Indiana University:  http://biotech.chem.indiana.edu/mirror/daylight/

4.51 includes many new features including:

    - Reaction databases and toolkits
    - More and improved DayCGI web-tools
    - Tversky similarity; similarity as sub- and super-structure.
    - Read-Only CDROM-able Databases.
    - Merlin Component-tuple fingerprint optimization
    - Fingerprint-tuples
    - Component-tuples
    - Properties of toolkit objects
    - Automatic indirect data generation on Thorload.
    - Datatree merging moved to server for speed.
    - Monomer table caching

See the 4.51 README at
http://www.daylight.com/dayhtml/doc/release_notes/readme_v451.html
for details of these features.

Also, the ChemReact97 reaction database from InfoChem and the
CCR97 reaction database from ISI are now available.  Demo databases
are included in the 4.51 release.

To request a software or database evaluation license, please
contact info@daylight.com or call the corporate office.

Current licensees: Please contact info@daylight.com or call the
corporate office to request a 4.51 CDROM if downloading via WWW
or FTP is inconvenient.

For installation support and other technical support questions,
contact support@daylight.com or call the research office.

See the Daylight website, especially the MUG '97 archive, for more
information on the new Daylight 4.51 system.

-The Daylight Krewe.


*****************************************************************************
                Daylight Chemical Information Systems, Inc.

Corporate office:     27401 Los Altos,  Suite # 370
                      Mission Viejo, CA  92691
                    714-367-9990, 714-367-0990 (fax)

Research office:        419 E. Palace Avenue
                         Santa Fe, NM 87501
                     505-989-1000, 505-989-1200(fax)
*****************************************************************************