The Enzyme Database

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EC 5.3.3.10     
Accepted name: 5-carboxymethyl-2-hydroxymuconate Δ-isomerase
Reaction: 5-carboxymethyl-2-hydroxymuconate = (3E,5R)-5-carboxy-2-oxohept-3-enedioate
Glossary: 5-carboxymethyl-2-hydroxymuconate = (2E,4Z)-5-hydroxypenta-2,4-diene-1,2,5-tricarboxylate
Other name(s): CHM isomerase; 5-carboxymethyl-2-hydroxymuconic acid isomerase
Systematic name: 5-carboxymethyl-2-hydroxymuconate Δ24-2-oxo,Δ3-isomerase
Comments: Part of the homoprotocatechuate degradation pathway in Escherichia coli C.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, UM-BBD, CAS registry number: 79079-05-3
References:
1.  Garrido-Pertierra, A. and Cooper, R.A. Identification and purification of distinct isomerase and decarboxylase enzymes involved in the 4-hydroxyphenylacetate pathway of Escherichia coli. Eur. J. Biochem. 117 (1981) 581–584. [PMID: 7026235]
2.  Johnson, W.H., Jr., Hajipour, G. and Whitman, C.P. Stereochemical studies of 5-(carboxymethyl)-2-hydroxymuconate isomerase and 5-(carboxymethyl)-2-oxo-3-hexene-1,6-dioate decarboxylase from Escherichia coli C: mechanistic and evolutionary implications. J. Am. Chem. Soc. 117 (1995) 8719–8726.
[EC 5.3.3.10 created 1984]
 
 


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