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Information on EC 2.3.1.199 - very-long-chain 3-oxoacyl-CoA synthase

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IUBMB Comments
This is the first 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. Multiple forms exist with differing preferences for the substrate, and thus the specific form expressed determines the local composition of very-long-chain fatty acids [6,7]. For example, the FAE1 form from the plant Arabidopsis thaliana accepts only 16 and 18 carbon substrates, with oleoyl-CoA (18:1) being the preferred substrate , while CER6 from the same plant prefers substrates with chain length of C22 to C32 [4,8]. cf. EC 1.1.1.330, very-long-chain 3-oxoacyl-CoA reductase, EC 4.2.1.134, very-long-chain (3R)-3-hydroxyacyl-[acyl-carrier protein] dehydratase, and EC 1.3.1.93, very-long-chain enoyl-CoA reductase
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The enzyme appears in viruses and cellular organisms
Synonyms
fatty acid elongase, elovl1, elovl7, 3-ketoacyl-coa synthase, acyl-coa elongase, beta-ketoacyl-coa synthase, fatty acid elongase 1, fae1 kcs, fa elongase, elo2p, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
a very-long-chain acyl-CoA + malonyl-CoA = a very-long-chain 3-oxoacyl-CoA + CO2 + CoA
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