>7yai_C mol:protein length:128 Nanobody head piece of megabodyQVQLQESGGGLVQAGGSLRLSCAASGSIFGADWMGWYRQAPGKEREFVAGIGHGASTYYADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAVYYCAVQYTQGWSGQYRSYDSLLYWGQGTQVTVSSGS