>9rvh_A mol:protein length:486 Tetrapodal ancestor of L-amino acid oxidase: Q225A-Loop (P361-PREGA-L367) mutant with phenylalanineMESSDDPLDKCFQDPDYEELLEIAKHGLRKTTKPKRVVIVGAGIAGLTAAKVLEDAGHKVTILEASDRVGGRVLTYRNESEGWYAELGAMRIPSFHRIVHTFIKKLGLKLNEFIQYDINTWYFVNGVRKRTYAVKDNPDVLNYPVRPSEKGKSADQLYQEALQKVLEDLKRSGCKKVLKKYDSYSVKEYLIKEGNLSRGAVRMIGDLLNEDSFFYISFTESLRIASDINDNVRYYEITGGFDNLPRAFYQSLSGPVHLNSRVVRINQNKRGVTVFYRDQQESSLSNITADYVLLTTTAKATRLIDFQPPLSPKKTHALRSVHYSSSTKIFLSFRQRFWEKEGIHGGKSITDRPSRFIYYPPPREGALLLASYTWSDDSDFFLGLSDEECMQVALDDLAKIHGLPKEQIRSLWDGTGVVKKWSLDPYSLGAFAAFTPYQLTDYAKELFQSEGRVHFAGEHTALPHGWIETSMKSALRAARNIHNAAF