proprotein convertase subtilisin kexin type 9 pcsk9 protein. target of multiple investigational cholesterol lowering drugs. 3d.

acid alirocumab amino atoms bococizumab cardiovascular cholesterol convertase disease drug evolocumab health kexin ldl lipoprotein model molecular molecule pcsk9 pdb2p4e peptide polymer polypeptide proprotein protein rendering science scientific structure subtilisin