4.4.1.35: L-cystine beta-lyase
This is an abbreviated version!
For detailed information about L-cystine beta-lyase, go to the full flat file.
Word Map on EC 4.4.1.35
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4.4.1.35
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jasmonate
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coronatine
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hypovirulent
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phytoalexins
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brassica
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rhizoctonia
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qualifications
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defense-related
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constantly
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wounding
- 4.4.1.35
- jasmonate
-
coronatine
-
hypovirulent
-
phytoalexins
- brassica
- rhizoctonia
-
qualifications
-
defense-related
-
constantly
- wounding
Reaction
Synonyms
BOCL3, cis-3-hydroxy-L-proline hydro-lyase (1-pyrroline-2-carboxylate-forming), CORI3
ECTree
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Substrates Products
Substrates Products on EC 4.4.1.35 - L-cystine beta-lyase
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REACTION DIAGRAM
2-aminoprop-2-enoate
2-iminopropanoate
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spontaneous partial reaction
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?
2-iminopropanoate + H2O
pyruvate + NH3
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spontaneous partial reaction
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?
L-djenkolic acid + H2O
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18-24% of the activity with L-cystine
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?
S-ethyl L-cysteine + H2O
?
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71% of the activity with L-cystine
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?
S-methyl L-cysteine + H2O
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29% of the activity with L-cystine
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?
S-propyl L-cysteine + H2O
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29% of the activity with L-cystine
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?
L-cystine + H2O
L-thiocysteine + pyruvate + NH3
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overall reaction
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?
S-ethyl L-cysteine sulfoxide + H2O
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48% of the activity with L-cystine
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?
S-ethyl L-cysteine sulfoxide + H2O
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64% of the activity with L-cystine
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?
S-methyl L-cysteine sulfoxide + H2O
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37% of the activity with L-cystine
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?
S-methyl L-cysteine sulfoxide + H2O
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46% of the activity with L-cystine
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the enzyme catalyzes beta-elimination of L-cystine to yield thiocysteine, pyruvate and possibly ammonia. S-Methyl L-cysteine sulfoxide and S-ethyl L-cysteine sulfoxide are substrates but are less suitable than L-cystine. No substrates: D-cystine, L- and o-cysteine and cystathionine
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additional information
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negligible activity with L-cystathionine
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?