ExplorEnz: EC 4.2.1.119

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4.2.1.119

Accepted name:

enoyl-CoA hydratase 2

Reaction:

(3R)-3-hydroxyacyl-CoA = (2E)-2-enoyl-CoA + H₂O

For diagram of Benzoyl-CoA catabolism, click here

Other name(s):

2-enoyl-CoA hydratase 2; AtECH2; ECH2; MaoC; MFE-2; PhaJAc; D-3-hydroxyacyl-CoA hydro-lyase; D-specific 2-trans-enoyl-CoA hydratase

Systematic name:

(3R)-3-hydroxyacyl-CoA hydro-lyase

Comments:

This enzyme catalyses a hydration step in peroxisomal β-oxidation. The human multifunctional enzyme type 2 (MFE-2) is a 79000 Da enzyme composed of three functional units: (3R)-hydroxyacyl-CoA dehydrogenase, 2-enoyl-CoA hydratase 2 and sterol carrier protein 2-like units [1]. The enzymes from Aeromonas caviae [4] and Arabidopsis thaliana [5] are monofunctional enzymes. 2-Enoyl-CoA hydratase 3 from Candida tropicalis is a part from multifunctional enzyme type 2 [3].

Links to other databases:

BRENDA, EXPASY, Gene, KEGG, MetaCyc, PDB

References:

1.	Koski, K.M., Haapalainen, A.M., Hiltunen, J.K. and Glumoff, T. Crystal structure of 2-enoyl-CoA hydratase 2 from human peroxisomal multifunctional enzyme type 2. J. Mol. Biol. 345 (2005) 1157–1169. [DOI] [PMID: 15644212]
2.	Fukui, T., Shiomi, N. and Doi, Y. Expression and characterization of (R)-specific enoyl coenzyme A hydratase involved in polyhydroxyalkanoate biosynthesis by Aeromonas caviae. J. Bacteriol. 180 (1998) 667–673. [PMID: 9457873]
3.	Koski, M.K., Haapalainen, A.M., Hiltunen, J.K. and Glumoff, T. Crystallization and preliminary crystallographic data of 2-enoyl-CoA hydratase 2 domain of Candida tropicalis peroxisomal multifunctional enzyme type 2. Acta Crystallogr. D Biol. Crystallogr. 59 (2003) 1302–1305. [PMID: 12832794]
4.	Hisano, T., Fukui, T., Iwata, T. and Doi, Y. Crystallization and preliminary X-ray analysis of (R)-specific enoyl-CoA hydratase from Aeromonas caviae involved in polyhydroxyalkanoate biosynthesis. Acta Crystallogr. D Biol. Crystallogr. 57 (2001) 145–147. [PMID: 11134939]
5.	Goepfert, S., Hiltunen, J.K. and Poirier, Y. Identification and functional characterization of a monofunctional peroxisomal enoyl-CoA hydratase 2 that participates in the degradation of even cis-unsaturated fatty acids in Arabidopsis thaliana. J. Biol. Chem. 281 (2006) 35894–35903. [DOI] [PMID: 16982622]
6.	Engeland, K. and Kindl, H. Evidence for a peroxisomal fatty acid β-oxidation involving D-3-hydroxyacyl-CoAs. Characterization of two forms of hydro-lyase that convert D-(-)-3-hydroxyacyl-CoA into 2-trans-enoyl-CoA. Eur. J. Biochem. 200 (1991) 171–178. [DOI] [PMID: 1879422]

[EC 4.2.1.119 created 2009]