Accepted name: 2-formylbenzoate dehydrogenase
Reaction: 2-formylbenzoate + NAD+ + H2O = o-phthalic acid + NADH + H+
Glossary: o-phthalic acid = benzene-1,2-dicarboxylic acid
2-formylbenzoate = 2-carboxybenzaldehyde
Other name(s): 2-carboxybenzaldehyde dehydrogenase; 2CBAL dehydrogenase; PhdK
Systematic name: 2-formylbenzoate:NAD+ oxidoreductase
Comments: The enzyme is involved in phenanthrene degradation.
1.  Iwabuchi, T. and Harayama, S. Biochemical and genetic characterization of 2-carboxybenzaldehyde dehydrogenase, an enzyme involved in phenanthrene degradation by Nocardioides sp. strain KP7. J. Bacteriol. 179 (1997) 6488–6494. [PMID: 9335300]
2.  Kiyohara, H., Nagao, K. and Yano, K. Isolation and some properties of NAD-linked 2-carboxybenzaldehyde dehydrogenase in Alcaligenes faecalis AFK 2 grown on phenanthrene. J. Gen. Appl. Microbiol. 27 (1981) 443–455.
[EC created 2010]
Accepted name: 4-(2-carboxyphenyl)-2-oxobut-3-enoate aldolase
Reaction: (3Z)-4-(2-carboxyphenyl)-2-oxobut-3-enoate + H2O = 2-formylbenzoate + pyruvate
Other name(s): 2′-carboxybenzalpyruvate aldolase; (3E)-4-(2-carboxyphenyl)-2-oxobut-3-enoate 2-carboxybenzaldehyde-lyase; (3Z)-4-(2-carboxyphenyl)-2-oxobut-3-enoate 2-formylbenzoate-lyase
Systematic name: (3Z)-4-(2-carboxyphenyl)-2-oxobut-3-enoate 2-formylbenzoate-lyase (pyruvate-forming)
Comments: Involved, with EC (1-hydroxy-2-naphthoate 1,2-dioxygenase), in the metabolism of phenanthrene in bacteria.
1.  Barnsley, E.A. Phthalate pathway of phenanthrene metabolism: formation of 2′-carboxybenzalpyruvate. J. Bacteriol. 154 (1983) 113–117. [PMID: 6833175]
[EC created 1989]