>7k3m_A mol:protein length:250 Beta-lactamaseSNANNVENEKSWEKYFAEYKVEGCFMLFNNSQGTFKVYNLERSQQRFLPASTFKIFNSLVGLETGVIKDTSFVIPWDGVTRDMPEWNHDLSMQQAFRVSAVPYFQEVARRITKPVMQHWLDTVKFGNMKISKIDTFWLDNSLQISPDEELGFVKKLYFDQLPFHKVTMQNVRQVMLMEKKPEYELSYKTGMGFSGPKTIGWITGWIEENGHPSFFVLNIETENKSLDMRTVRMNILRNLLTDAGYFKGMK