>6yrb_A mol:protein length:149 Envelope polyproteinKVTGCTVFCTLAGPGASCEAYSENGIFNISSPTCLVNKVQRFRGSEQKINFICQRVDQDVVVYCNGQKKVILTKTLVIGQCIYTFTSLFSLMPDVAHSLAVELCVPGLHGGPFEDDDDKAGWSHPQFEKGGGSGGGSGGGSWSHPQFEK