ID 2.3.3.10 DE hydroxymethylglutaryl-CoA synthase. AN (S)-3-hydroxy-3-methylglutaryl-CoA acetoacetyl-CoA-lyase (CoA- AN acetylating). AN 3-hydroxy-3-methylglutaryl-CoA synthase. AN 3-hydroxy-3-methylglutaryl CoA synthetase. AN 3-hydroxy-3-methylglutaryl coenzyme A synthase. AN 3-hydroxy-3-methylglutaryl-coenzyme A synthase. AN 3-hydroxy-3-methylglutaryl coenzyme A synthetase. AN acetoacetyl coenzyme A transacetase. AN beta-hydroxy-beta-methylglutaryl-CoA synthase. AN HMG-CoA synthase. AN hydroxymethylglutaryl coenzyme alpha-condensing enzyme. AN hydroxymethylglutaryl coenzyme A synthase. CA acetoacetyl-CoA + acetyl-CoA + H2O = (3S)-hydroxy-3-methylglutaryl-CoA + CA CoA + H(+). CC -!- Formerly EC 4.1.3.5. DR Q4WBQ3, ER13A_ASPFU; Q4WXT8, ER13B_ASPFU; A0A1D8PTW6, ERG13_CANAL; DR K7PL94, ERG13_GANLU; I1RY35, ERG13_GIBZE; P54874, ERG13_SCHPO; DR P54839, ERG13_YEAST; A0A6S5ZZ88, G431_FUSSX ; Q4P3F1, HCS1_USTMA ; DR F9X3D9, HCS1_ZYMTI ; P54961, HMCS1_BLAGE; P23228, HMCS1_CHICK; DR P13704, HMCS1_CRIGR; Q01581, HMCS1_HUMAN; Q8JZK9, HMCS1_MOUSE; DR Q5R7Z9, HMCS1_PONAB; P17425, HMCS1_RAT ; P54870, HMCS2_BLAGE; DR Q2KIE6, HMCS2_BOVIN; P54868, HMCS2_HUMAN; P54869, HMCS2_MOUSE; DR O02734, HMCS2_PIG ; P22791, HMCS2_RAT ; P54872, HMCSA_DICDI; DR Q86HL5, HMCSB_DICDI; P54873, HMCS_ARATH ; P54871, HMCS_CAEEL ; DR Q9FD71, HMGCS_ENTFL; D4GWR6, HMGCS_HALVD; //