4.4.1.21: S-ribosylhomocysteine lyase
This is an abbreviated version!
For detailed information about S-ribosylhomocysteine lyase, go to the full flat file.
Word Map on EC 4.4.1.21
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4.4.1.21
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quorum
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quorum-sensing
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interspecies
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harveyi
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thioether
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4,5-dihydroxy-2,3-pentanedione
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nucleosidase
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luxs-dependent
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furanone
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medicine
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analysis
- 4.4.1.21
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quorum
-
quorum-sensing
-
interspecies
- harveyi
- thioether
- 4,5-dihydroxy-2,3-pentanedione
- nucleosidase
-
luxs-dependent
-
furanone
- medicine
- analysis
Reaction
Synonyms
AI-2 synthase, autoinducer-2 synthase, BsLuxS, EC 3.13.1.2, EC 3.2.1.148, EC 3.3.1.3, EcLuxS, lsrR, Lux S, LuxS, LuxS protein, S-ribosyl homocysteinase, S-ribosylhomocysteinase, S-ribosylhomocysteine lyase, S-ribosylhomocysteinelyase, VhLuxS
ECTree
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Reaction
Reaction on EC 4.4.1.21 - S-ribosylhomocysteine lyase
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S-(5-deoxy-D-ribos-5-yl)-L-homocysteine = L-homocysteine + (4S)-4,5-dihydroxypentan-2,3-dione
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S-(5-deoxy-D-ribos-5-yl)-L-homocysteine = L-homocysteine + (4S)-4,5-dihydroxypentan-2,3-dione
catalytic mechanism in which the metal ion catalyzes an intramolecular redox reaction, shifting the carbonyl group from the C-1 position to the C-3 position of the ribose. Subsequent beta-elimination at the C-4 and C-5 position releases homocysteine as a free thiol
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S-(5-deoxy-D-ribos-5-yl)-L-homocysteine = L-homocysteine + (4S)-4,5-dihydroxypentan-2,3-dione
catalytic mechanism, the substrate may bind within the active site when its ribosyl moiety is in the alpha- or beta-furanose configuration or as a linear aldose, docking and molecular dynamics simulations
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