https://www.ncbi.nlm.nih.gov/Structure/pdb/6X0S
6X0S: Structure of human plasma factor XIIa in complex with...
Coagulation factor XII(2S)-4-(5-chloro-1,3-benzoxazol-2-yl)-1-(N,3-dicyclohexyl-D-alanyl)-N-[(thiophen-2-yl)methyl]piperazine-2-carboxamideSULFATE ION
human plasmafactor xiiastructurecomplex