The Enzyme Database

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Accepted name: very-long-chain (3R)-3-hydroxyacyl-CoA dehydratase
Reaction: a very-long-chain (3R)-3-hydroxyacyl-CoA = a very-long-chain trans-2,3-dehydroacyl-CoA + H2O
Glossary: a very-long-chain acyl-CoA = an acyl-CoA thioester where the acyl chain contains 23 or more carbon atoms.
Other name(s): PHS1 (gene name); PAS2 (gene name)
Systematic name: very-long-chain (3R)-3-hydroxyacyl-CoA hydro-lyase
Comments: This is the third component of the elongase, a microsomal protein complex responsible for extending palmitoyl-CoA and stearoyl-CoA (and modified forms thereof) to very-long chain acyl CoAs. cf. EC, very-long-chain 3-oxoacyl-CoA synthase, EC, very-long-chain 3-oxoacyl-CoA reductase, and EC, very-long-chain enoyl-CoA reductase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Bach, L., Michaelson, L.V., Haslam, R., Bellec, Y., Gissot, L., Marion, J., Da Costa, M., Boutin, J.P., Miquel, M., Tellier, F., Domergue, F., Markham, J.E., Beaudoin, F., Napier, J.A. and Faure, J.D. The very-long-chain hydroxy fatty acyl-CoA dehydratase PASTICCINO2 is essential and limiting for plant development. Proc. Natl. Acad. Sci. USA 105 (2008) 14727–14731. [DOI] [PMID: 18799749]
2.  Kihara, A., Sakuraba, H., Ikeda, M., Denpoh, A. and Igarashi, Y. Membrane topology and essential amino acid residues of Phs1, a 3-hydroxyacyl-CoA dehydratase involved in very long-chain fatty acid elongation. J. Biol. Chem. 283 (2008) 11199–11209. [DOI] [PMID: 18272525]
[EC created 2012, modified 2014]

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