ctla-4 (cytotoxic t-lymphocyte-associated protein 4, cd152) prot

ctla4 ctla-4 cytotoxic t-lymphocyte lymphocyte associated protein 4 cd152 antigen presenting antibody diabetes mellitus celiac autoimmune mutation fusion ctla4-ig abatacept belatacept ipilimumab immune checkpoint blockade cancer immunotherapy structure peptide amino acid molecule polypeptide polymer atoms science scientific disease health molecular model 3d rendering illustration