catalytic domain; complex with phosphinic inhibitor R-2-[4'-methoxy-(1,1'-biphenyl)-4-yl]-sulfonyl-amino-6-methoxy-hex-4-ynoic acid
The catalytic and structural zinc atoms are shown as light grey CPK spheres. The structural calcium ion is shown as a yellow CPK sphere. The zinc ligands are shown in ball-and-stick representation: His219, His223 and His229 in purple.