IUBMB Enzyme Nomenclature


Accepted name: aminocarboxymuconate-semialdehyde decarboxylase

Reaction: 2-amino-3-(3-oxoprop-1-en-1-yl)but-2-enedioate = 2-aminomuconate semialdehyde + CO2

For diagram of reaction click here.

Glossary: aminocarboxymuconate semialdehyde = 2-amino-3-(3-oxoprop-1-en-1-yl)but-2-enedioate

Other name(s): picolinic acid carboxylase; picolinic acid decarboxylase; α-amino-β-carboxymuconate-ε-semialdehade decarboxylase; α-amino-β-carboxymuconate-ε-semialdehyde β-decarboxylase; 2-amino-3-(3-oxoprop-2-enyl)but-2-enedioate carboxy-lyase; 2-amino-3-(3-oxoprop-1-en-1-yl)but-2-enedioate carboxy-lyase

Systematic name: 2-amino-3-(3-oxoprop-1-en-1-yl)but-2-enedioate carboxy-lyase (2-aminomuconate-semialdehyde-forming)

Comments: Product rearranges non-enzymically to picolinate.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 37289-47-7


1. Ichiyama, A., Nakamura, S., Kawai, H., Honjo, T., Nishizuka, Y., Hayaishi, O. and Senoh, S. Studies on the metabolism of the benzene ring of tryptophan in mammalian tissues. ii. enzymic formation of α-aminomuconic acid from 3-hydroxyanthranilic acid. J. Biol. Chem. 240 (1965) 740-749.

[EC created 1972]

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