1MBL A 17-AUG-92 BETA-LACTAMASE (E.C. 3.5.2.6)MUTANT GLU-166-ALA A. DOMAIN 1: [Assigned by homology with 4BLMA]A 31 to A 291 ; The following residues NOT assigned to any domain: Chain "A" 31 - 291 [PDB Header] [PREPI] [RASMOL] [NCBI ENTREZ] [SCOP]