The Enzyme Database

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Accepted name: 5-guanidino-2-oxopentanoate decarboxylase
Reaction: 5-guanidino-2-oxopentanoate = 4-guanidinobutanal + CO2
Glossary: thiamine diphosphate = 3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-diphosphoethyl)-4-methyl-1,3-thiazolium
Other name(s): α-ketoarginine decarboxylase; 2-oxo-5-guanidinopentanoate carboxy-lyase
Systematic name: 5-guanidino-2-oxopentanoate carboxy-lyase (4-guanidinobutanal-forming)
Comments: Enzyme activity is dependent on the presence of thiamine diphosphate and a divalent cation.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 56831-67-5
1.  Vanderbilt, A.S., Gaby, N.S., Rodwell, V.W. Intermediates and enzymes between α-ketoarginine and γ-guanidinobutyrate in the L-arginine catabolic pathway of Pseudomonas putida. J. Biol. Chem. 250 (1975) 5322–5329. [PMID: 237915]
[EC created 1999]

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