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Catalysis of the elimination of H2S or substituted H2S. Catalysis of the reaction: S-(5-deoxy-D-ribos-5-yl)-L-homocysteine = L-homocysteine + (S)-4,5-dihydroxypentan-2,3-dione. Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: S-ribosylhomocysteine lyase activity
Acc: GO:0043768
Aspect: Molecular Function
Desc: Catalysis of the reaction: S-(5-deoxy-D-ribos-5-yl)-L-homocysteine = L-homocysteine + (S)-4,5-dihydroxypentan-2,3-dione.
Synonyms:
  • LuxS
  • 3.2.1.148
  • ribosylhomocysteinase activity
  • S-(5-deoxy-D-ribos-5-yl)-L-homocysteine homocysteine-lyase [(4S)-4,5-dihydroxypentan-2,3-dione-forming]
  • GO:0019138
  • S-ribosylhomocysteinase activity
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 1 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0043768 - S-ribosylhomocysteine lyase activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle