>3j4a_J mol:protein length:497 Head-to-tail joining proteinMAEKRTGLAEDGAKSVYERLKNDRAPYETRAQNCAQYTIPSLFPKDSDNASTDYQTPWQAVGARGLNNLASKLMLALFPMQTWMRLTISEYEAKQLLSDPDGLAKVDEGLSMVERIIMNYIESNSYRVTLFEALKQLVVAGNVLLYLPEPEGSNYNPMKLYRLSSYVVQRDAFGNVLQMVTRDQIAFGALPEDIRKAVEGQGGEKKADETIDVYTHIYLDEDSGEYLRYEEVEGMEVQGSDGTYPKEACPYIPIRMVRLDGESYGRSYIEEYLGDLRSLENLQEAIVKMSMISSKVIGLVNPAGITQPRRLTKAQTGDFVTGRPEDISFLQLEKQADFTVAKAVSDAIEARLSFAFMLNSAVQRTGERVTAEEIRYVASELEDTLGGVYSILSQELQLPLVRVLLKQLQATQQIPELPKEAVEPTISTGLEAIGRGQDLDKLERCVTAWAALAPMRDDPDINLAMIKLRIANAIGIDTSGILLTEEQKQQKMAQQSM