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