catalytic activity:L-ornithine = putrescine + CO(2).,cofactor:Pyridoxal phosphate.,enzyme regulation:Inhibited by S-nitrosylation.,online information:Ornithine decarboxylase entry,pathway:Amine and polyamine biosynthesis; putrescine biosynthesis via L-ornithine pathway; putrescine from L-ornithine: step 1/1.,PTM:S-Nitrosylation inhibits the enzyme. S-Nitrosylated in vitro on 4 cysteine residues.,similarity:Belongs to the Orn/Lys/Arg decarboxylase class-II family.,subunit:Homodimer.,
cytoplasm,cytosol,perinuclear region of cytoplasm,
Esophagus,Lymph,Testis,
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