RCLASS: Reaction Classification and Ontology
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Laboratory of Chemical Life Science, Bioinformatics Center,
Institute for Chemical Research, Kyoto University
Uji, Kyoto 611-0011, Japan
Web site: http://www.genome.jp/reaction/
Feedback: http://www.genome.jp/feedback/?category=keggligand
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RCLASS is a database of reaction classification based on the chemical 
transformation patterns of main reactant pairs. The transformation pattern
is described in RDM format defined in the RPAIR database. RCLASS entries are
classified in hierarchical ways and used in the pathway analysis tools such
as PathSearch (http://www.genome.jp/tools/pathsearch).

This directory contains following files:
rclass: Flat file formatted RCLASS database
rpair:  Flat file formatted RPAIR database
rclass_fgc.keg: Hierarchical classification of reactions based on 
	functional group conversion 
rclass_ac.keg: Hierarchical classification of reactions based on
	atom classes
atomclass.html: HTHL file used for the reaction classification

.keg files are best viewed by a Java application called KegHier, which can be
downlaoded from the KegTools site: 
http://www.kegg.jp/kegg/download/kegtools.html

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Last update: 2012/11/20