5VLH:
reference: Discovery of a cryptic peptide-binding site on PCSK9 and design of antagonists., Zhang Y, Ultsch M, Skelton NJ, Burdick DJ, Beresini MH, Li W, Kong-Beltran M, Peterson A, Quinn J, Chiu C, Wu Y, Shia S, Moran P, Di Lello P, Eigenbrot C, Kirchhofer D, Nat Struct Mol Biol. 2017 Aug 21. doi: 10.1038/nsmb.3453. PMID: 28825733

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