pdb Hchain Lchain model antigen_chain antigen_type antigen_het_name antigen_name short_header date compound organism heavy_species light_species antigen_species authors resolution method r_free r_factor scfv engineered heavy_subclass light_subclass light_ctype affinity delta_g affinity_method temperature pmid 3nfp A B 0 K protein NA interleukin-2 receptor subunit alpha Immune system/Cytokine 06/10/10 Crystal structure of the Fab fragment of therapeutic antibody daclizumab in complex with IL-2Ra (CD25) ectodomain HOMO SAPIENS homo sapiens homo sapiens homo sapiens Yang, H., Wang, J., Du, J., Zhong, C., Guo, Y., Ding, J. 2.86 X-RAY DIFFRACTION 0.301 0.253 False True IGHV1 IGKV1 Kappa 2.70E-10 -13.05 SPR 25 20820193 3nfp H L 0 I protein NA interleukin-2 receptor subunit alpha Immune system/Cytokine 06/10/10 Crystal structure of the Fab fragment of therapeutic antibody daclizumab in complex with IL-2Ra (CD25) ectodomain HOMO SAPIENS homo sapiens homo sapiens homo sapiens Yang, H., Wang, J., Du, J., Zhong, C., Guo, Y., Ding, J. 2.86 X-RAY DIFFRACTION 0.301 0.253 False True IGHV1 IGKV1 Kappa 2.70E-10 -13.05 SPR 25 20820193