Information on EC 1.3.99.36 - cypemycin cysteine dehydrogenase (decarboxylating)

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The expected taxonomic range for this enzyme is: Streptomyces

EC NUMBER
COMMENTARY hide
1.3.99.36
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RECOMMENDED NAME
GeneOntology No.
cypemycin cysteine dehydrogenase (decarboxylating)
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REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
cypemycin(1-18)-L-Cys-L-Leu-L-Val-L-Cys + acceptor = C3.19,S21-cyclocypemycin(1-18)-L-Ala-L-Leu-N-thioethenyl-L-valinamide + CO2 + H2S + reduced acceptor
show the reaction diagram
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SYSTEMATIC NAME
IUBMB Comments
cypemycin(1-18)-L-Cys-L-Leu-L-Val-L-Cys:acceptor oxidoreductase (decarboxylating, cyclizing)
Cypemycin, isolated from the bacterium Streptomyces sp. OH-4156, is a peptide antibiotic, member of the linaridins, a class of posttranslationally modified ribosomally synthesized peptides. The enzyme decarboxylates and reduces the C-terminal L-cysteine residue, producing a reactive ethenethiol group that reacts with a dethiolated cysteine upstream to form an aminovinyl-methyl-cysteine loop that is important for the antibiotic activity of the mature peptide.
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
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Manually annotated by BRENDA team