ID 2.1.1.79 DE cyclopropane-fatty-acyl-phospholipid synthase. AN CFA synthase. AN cyclopropane fatty acid synthase. AN cyclopropane synthetase. AN unsaturated-phospholipid methyltransferase. CA 1-acyl-2-(9Z)-enoyl-sn-glycero-3-phospholipid + S-adenosyl-L-methionine = CA 1-acyl-2-(9-cyclopronane)-acyl-sn-glycero-3-phospholipid + H(+) + CA S-adenosyl-L-homocysteine. CC -!- Adds a methylene group across the 9,10 position of a Delta(9)- CC olefinic acyl chain in phosphatidylethanolamine or, more slowly, CC phosphatidylglycerol or phosphatidylinositol forming a cyclopropane CC derivative (cf. EC 2.1.1.16). DR P45509, CFA_CITFR ; P0A9H8, CFA_ECOL6 ; P0A9H7, CFA_ECOLI ; DR A5U866, CMAS1_MYCTA; P9WPB6, CMAS1_MYCTO; P9WPB7, CMAS1_MYCTU; DR P0A5P1, CMAS2_MYCBO; Q49807, CMAS2_MYCLE; P9WPB4, CMAS2_MYCTO; DR P9WPB5, CMAS2_MYCTU; P9WPB2, CMAS3_MYCTO; P9WPB3, CMAS3_MYCTU; DR Q7U1J9, MMAA2_MYCBO; A5U029, MMAA2_MYCTA; Q79FX6, MMAA2_MYCTU; //