2.5.1.50 zeatin 9-aminocarboxyethyltransferase; beta-(9-cytokinin)-alanine synthase; beta-(9-cytokinin)alanine synthase; O-acetyl-L-serine acetate-lyase (adding N6-substituted adenine); lupinate synthetase; lupinic acid synthase; lupinic acid synthetase; 3-O • • •