TY - RPRT TI - Structure-based understanding of ligand affinity using human thrombin as a model system. AU - V L Nienaber AU - L J Mersinger AU - C A Kettner PY - 1996 DO - 10.1021/bi952164b UR - https://pubmed.ncbi.nlm.nih.gov/8703940/ ID - 8703940 ER -