>6RQM_1|Chain A[auth B]|A blocking anti-CTLA-4 nanobody (KN044)|Camelus bactrianus (9837) QVQLVESGGGLVQPGGSLRLSCAASGYIYSAYCMGWFRQAPGKGLEGVAAIYIGGGSTYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAADVIPTETCLGGSWSGPFGYWGQGTLVTVSSGSMDPGGSHHHHHHHH >6RQM_2|Chain B[auth A]|Cytotoxic T-lymphocyte protein 4|Homo sapiens (9606) AMHVAQPAVVLASSRGIASFVCEYASPGKATEVRVTVLRQADSQVTEVCAATYMMGNELTFLDDSICTGTSSGNQVNLTIQGLRAMDTGLYICKVELMYPPPYYLGIGNGTQIYVIDPEPCPDSD