>7zkz_C mol:protein length:123 nanobodyQVQLVESGGGSAQPGGSLRLSCAVSGSVSELNTMGWFRQAPGKQRELVARITATSDATNYADSVKGRFTISRDNGWNTVYLQSNSLKPEDSAVYYCNVEGAPSWFSGIRSYWGQGTQVTVSSA