pdb Bchain Achain Dchain Gchain TCRtype model antigen_chain antigen_type antigen_name antigen_het_name mhc_type mhc_chain1 mhc_chain2 docking_angle beta_subgroup alpha_subgroup gamma_subgroup delta_subgroup short_header date compound beta_organism alpha_organism gamma_organism delta_organism antigen_organism mhc_chain1_organism mhc_chain2_organism authors resolution method r_free r_factor affinity affinity_method affinity_temperature affinity_pmid engineered 4jfe E D NA NA abTCR 0 C peptide melanoma peptide l7a NA MH1 A B 42.798 TRBV30 TRAV12 NA NA IMMUNE SYSTEM 02/28/13 Preservation of peptide specificity during TCR-MHC contact dominated affinity enhancement of a melanoma-specific TCR homo sapiens homo sapiens homo sapiens homo sapiens Rizkallah, P.J., Cole, D.K., Madura, F., Sewell, A.K. 2.7 X-RAY DIFFRACTION 0.250 0.202 True