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Information on EC 2.8.1.9 - molybdenum cofactor sulfurtransferase

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IUBMB Comments
Contains pyridoxal phosphate. Replaces the equatorial oxo ligand of the molybdenum by sulfur via an enzyme-bound persulfide. The reaction occurs in prokaryotes and eukaryotes but MoCo sulfurtransferases are only found in eukaryotes. In prokaryotes the reaction is catalysed by two enzymes: cysteine desulfurase (EC 2.8.1.7), which is homologous to the N-terminus of eukaryotic MoCo sulfurtransferases, and a molybdo-enzyme specific chaperone which binds the MoCo and acts as an adapter protein.
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The enzyme appears in viruses and cellular organisms
Synonyms
molybdenum cofactor sulfurase, los5/aba3, molybdenum-cofactor sulfurase, molybdenum cofactor sulphurase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
molybdenum cofactor + L-cysteine + reduced acceptor + 2 H+ = thio-molybdenum cofactor + L-alanine + H2O + oxidized acceptor
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