Acyl-CoA:6-aminopenicillanic acid acyltransferase (AAT), encoded by penDE, catalyze the final step of the penicillin biosynthesis pathway in Penicillium chrysogenum.

• penDE基因编码40k的酰基-CoA:6-APA酰基转移酶(IAT),可催化产黄青霉中青霉素生物合成途径的最后一步酶反应。