>9ltk_B mol:protein length:253 Beta-lactamaseMHHHHHHQGTCFLAKENQTVLKREGNDCDQRYSPASTFKIALSLMGFDSGILKDELHPEWPYKKEYELYLNVWKYPQNPHTWIRDSCVWYSQALTRQLGMKRFKGYVDAFHYGNQDVSGDRGQNNGLTHAWLSSSLSISPTEQIQFLQKIIYKKLPVSQKAYIMTKNIMYIQELPGGWKLYGKTGTGFQLTKDKSQKLPLQHGWFVGWIEKDERVITFAKHIADSKENNTFASFRAKNDALIQLFNLINELEK