>6rpj_H mol:protein length:142 A non-blocking CTLA-4 nanobodyQVQLQESGGGSVQAGGSLTLSCAASGYANSNTCMGWFRQAPGKERERVAAISGVGTGTYYADSVKGRFTISRDNGKNTLFLQMNSLKPEDTAMYYCAAAPEGRAWCSRDPSGYNYWGQGTQVTVSSGSMDPGGSHHHHHHHH