Key points are not available for this paper at this time.
Amino acids altered the production and activities of cephalosporin C acylase and penicillin V acylase from Aeromonas species ACY 95 to a varying degree. DL-Tryptophan enhanced the cephalosporin C acylase formation by 222% while suppressed the penicillin V acylase formation by 68%.
Dehpande et al. (Wed,) studied this question.