5VLK: Proprotein convertase subtilisin/kexin type 9

Short PCSK9 delta-P' complex with shrunken peptide bearing homo-Arginine. Determined by X-ray diffraction at 2.2 Å resolution. Released 16 Aug 2017.

Method
X-ray diffraction
Resolution
2.2 Å
Organisms
Homo sapiens, synthetic construct
Chains
3
Atoms
3,095
Mol. weight
52.8 kDa
Ligands
CA
Released
16 Aug 2017

Explore 5VLK in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5VLK contains 17 α-helices and 27 β-strands across 3 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 15 helices, 26 β-strands

ElementResiduesLengthSheet
β-strand63-6531
α-helix70-723
β-strand73-82101
α-helix831
α-helix88-10417
β-strand110-11561
β-strand121-12551
α-helix128-1303
α-helix131-1355
β-strand140-14781
β-strand148-15142
β-strand181-18663
β-strand200-20673
α-helix209-2113
α-helix225-23511
β-strand246-25163
β-strand258-26032
α-helix261-27717
β-strand283-28753
β-strand289-29242
α-helix295-30612
β-strand310-31453
β-strand31814
β-strand32115
α-helix322-3243
β-strand325-32622
β-strand334-33963
β-strand34513
α-helix3461
β-strand347-34824
β-strand351-35224
β-strand35515
β-strand361-36443
β-strand368-37146
β-strand379-38246
α-helix385-40218
α-helix408-41811
β-strand420-42123
α-helix426-4283
α-helix431-4333
β-strand440-44123
Chain Y: 1 helix, 1 β-strand
ElementResiduesLengthSheet
β-strand316
α-helix6-127
Chain Z: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix2-54

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Proprotein convertase subtilisin/kexin type 9Aprotein460Homo sapiensQ8NBP7 (AlphaFold model)
Ace-thr-val-phe-thr-ser-trp-glu-glu-tyr-leu-asp-trp-val-NH2 peptideYprotein15synthetic construct
ACE-TRP-ASN-LEU-VAL-HRG-ILE-GLY-LEU-LEU peptideZprotein11synthetic construct
Sequence of entity 1 (A), FASTA
>5VLK_1 Proprotein convertase subtilisin/kexin type 9 (chains A)
MGTVSSRRSWWPLPLLLLLLLLLGPAGARAQEDEDGDYEELVLALRSEEDGLAEAPEHGT
TATFHRCAKDPWRLPGTYVVVLKEETHLSQSERTARRLQAQAARRGYLTKILHVFHGLLP
GFLVKMSGDLLELALKLPHVDYIEEDSSVFAQSIPWNLERITPPRYSADEYQPPDGGSLV
EVYLLDTSIQSDHREIEGRVMVTDFENVPEEDGTRFHRQASKCDSHGTHLAGVVSGRDAG
VAKGASMRSLRVLNCQGKGTVSGTLIGLEFIRKSQLVQPVGPLVVLLPLAGGYSRVLNAA
CQRLARAGVVLVTAAGNFRDDACLYSPASAPEVITVGATNAQDQPVTLGTLGTNFGRCVD
LFAPGEDIIGASSDCSTCFVSQSGTSQAAAHVAGIAAMMLSAEPELTLAELRQRLIHFSA
KDVINEAWFPEDQRVLTPNLVAALPPSTHGAGNSHHHHHH
Sequence of entity 2 (Y), FASTA
>5VLK_2 ACE-THR-VAL-PHE-THR-SER-TRP-GLU-GLU-TYR-LEU-ASP-TRP-VAL-NH2 peptide (chains Y)
XTVFTSWEEYLDWVX
Sequence of entity 3 (Z), FASTA
>5VLK_3 ACE-TRP-ASN-LEU-VAL-HRG-ILE-GLY-LEU-LEU peptide (chains Z)
XWNLVRIGLLR

Ligands and cofactors

IDNameFormulaCopies
CACalcium ionCa1

Primary citation

Discovery of a cryptic peptide-binding site on PCSK9 and design of antagonists. Zhang, Y., Ultsch, M., Skelton, N.J. et al. Nat Struct Mol Biol (2017) 24:848-856. DOI 10.1038/nsmb.3453 · PubMed

Other PDB entries of the same protein (UniProt Q8NBP7 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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