2.3.1.164	6-aminopenicillanate acyltransferase, 6-aminopenicillanic acid acyltransferase, 6-aminopenicillinanic acid phenylacetyltransferase, 6-aminopenicillinanic acylase, aatA, aatB, acyl coA:isopenicillin N-acyltransferase, acyl coenzyme A: isopenicillin N acyltransferase, acyl coenzyme A:6-aminopenicillanic acid acyltransferase, acyl-CoA:6-aminopenicillanate acyltransferase, acyl-CoA:6-APA acyltransferase, acyl-CoA:isopenicillin N acyltransferase, acyl-coenzyme A: IPN acyltransferase, acyl-coenzyme A:isopenicillin N acyltransferase, acyl-coenzyme A:isopenicillin N-acyltransferase, acyltransferase, 6-aminopenicillanate, IAT, IPN acyltransferase, isopenicillin N acyltransferase, isopenicillin N:acyl CoA acyltransferase, isopenicillin N:acyl-CoA: acyltransferase, isopenicillin-N N-acyltransferase