target,target_id,target_uniprot,target_species,ligand,ligand_id,ligand_species,ligand_pubchem_cid,smiles,inchi,inchikey,type,action,action_comment,endogenous,primary_target,concentration_range,affinity_parameter,affinity_high,affinity_median,affinity_low,original_affinity_units,original_affinity_low_nm,original_affinity_median_nm,original_affinity_high_nm,original_affinity_relation,assay_description,receptor_site,ligand_context,pubmed_id CD28,2863,P10747,Human,lulizumab pegol,8460,,,,,,Antibody,Binding,,,yes,,pKd,9.44,,9.29,Kd,0.51,,0.36,=,"Note that this Kd value was determined using the 'naked' binding component, in the absence of PEGylation.",,,24081989,