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

proprotein convertase subtilisin kexin type pcsk9 protein target multiple investigational cholesterol lowering drugs drug lipoprotein ldl cardiovascular disease alirocumab evolocumab bococizumab pdb2p4e structure peptide amino acid molecule polypeptide polymer atoms science scientific health molecular model cartoon representation