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