The Enzyme Database

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Accepted name: ornithine decarboxylase
Reaction: L-ornithine = putrescine + CO2
For diagram of spermine biosynthesis, click here and for diagram of arginine catabolism, click here
Glossary: putrescine = butane-1,4-diamine
Other name(s): SpeC; L-ornithine carboxy-lyase
Systematic name: L-ornithine carboxy-lyase (putrescine-forming)
Comments: A pyridoxal-phosphate protein.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9024-60-6
1.  Ono, M., Inoue, H., Suzuki, F. and Takeda, Y. Studies on ornithine decarboxylase from the liver of thioacetamide-treated rats. Purification and some properties. Biochim. Biophys. Acta 284 (1972) 285–297. [DOI] [PMID: 5073764]
2.  Taylor, E.S. and Gale, E.F. Studies on bacterial amino-acid decarboxylases. 6. Codecarboxylase content and action of inhibitors. Biochem. J. 39 (1945) 52–58. [PMID: 16747854]
[EC created 1961]

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