>6zrh_B mol:protein length:243 Beta-lactamaseSITENTSWNKEFSAEAVNGVFVLCKSSSKSCATNDLARASKEYLPASTFKIPNAIIGLETGVIKNEHQVFKWDGKPRAMKQWERDLTLRGAIQVSAVPVFQQIAREVGEVRMQKYLKKFSYGNQNISGGIDKFWLEGQLRISAVNQVEFLESLYLNKLSASKENQLIVKEALVTEAAPEYLVHSKTGWGMGVTPQVGWWVGWVEKETEVYFFAFNMDIDNESKLPLRKSIPTKIMESEGIIGG