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	-	-, 658618, 660448, 673028, 686918, 703815, 705776, 718653, 720282, 755820	
2.3.1.164	aatB	AN6775.3, gene encoding a penicillin V producing activity, which, in contrast to aatA, does not encode a peroxisomal targeting signal PTS1. aatB homologues also exist in non-penicillin-producing fungi and is suggested to be a paralogue of aatA.	705776	
2.3.1.164	aatA	gene encoding isopenicillin N acyltransferase	705776