2IWM | A:; B:; C:; D: | PRECURSOR MUTANT CYS1SER OF PENICILLIN V ACYLASE FROM BACILLUS SPHAERICUS |
2QUY | D: | TRUNCATED MUTANT ASN175ALA OF PENICILLIN V ACYLASE FROM BACILLUS SPHAERICUS |
2Z71 | A:; C: | STRUCTURE OF TRUNCATED MUTANT CYS1GLY OF PENICILLIN V ACYLASE FROM BACILLUS SPHAERICUS CO-CRYSTALLIZED WITH PENICILLIN V |
3MJI | A:; B:; C:; D: | ACTIVATION OF CATALYTIC CYSTEINE WITHOUT A BASE IN A MUTANT PENICILLIN ACYLASE PRECURSOR |