ID 4.2.1.134 DE very-long-chain (3R)-3-hydroxyacyl-CoA dehydratase. CA a very-long-chain (3R)-3-hydroxyacyl-CoA = a very-long-chain (2E)-enoyl- CA CoA + H2O. CC -!- This is the third component of the elongase, a microsomal protein CC complex responsible for extending palmitoyl-CoA and stearoyl-CoA (and CC modified forms thereof) to very-long chain acyl CoAs. cf. CC EC 1.1.1.330, EC 1.3.1.93 and EC 2.3.1.199. CC -!- Formerly EC 2.3.1.119 and EC 4.2.1.n2. DR Q4W1W1, HACD1_CANLF; B0YJ81, HACD1_HUMAN; Q9QY80, HACD1_MOUSE; DR Q9N1R5, HACD1_SHEEP; Q2KIP8, HACD2_BOVIN; Q6Y1H2, HACD2_HUMAN; DR Q9D3B1, HACD2_MOUSE; Q5RBK3, HACD2_PONAB; A7YY55, HACD3_BOVIN; DR Q5ZM57, HACD3_CHICK; Q7SY06, HACD3_DANRE; Q9P035, HACD3_HUMAN; DR Q8K2C9, HACD3_MOUSE; Q5NVQ2, HACD3_PONAB; Q0P5C7, HACD4_BOVIN; DR Q5VWC8, HACD4_HUMAN; A2AKM2, HACD4_MOUSE; Q6GNB5, HACD4_XENLA; DR Q7XSZ4, HACDA_ORYSJ; Q5ZEJ0, HACDB_ORYSJ; Q8VZB2, HACD_ARATH ; DR O17040, HACD_CAEEL ; O14346, HACD_SCHPO ; P40857, HACD_YEAST ; //