3bps

X-ray diffraction
2.41Å resolution

PCSK9:EGF-A complex

Released:
Source organism: Homo sapiens
Primary publication:
Molecular basis for LDL receptor recognition by PCSK9.
Proc. Natl. Acad. Sci. U.S.A. 105 1820-5 (2008)
PMID: 18250299

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Proprotein convertase subtilisin/kexin type 9 Chain: P
Molecule details ›
Chain: P
Length: 100 amino acids
Theoretical weight: 11.28 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8NBP7 (Residues: 53-152; Coverage: 15%)
Gene names: NARC1, PCSK9, PSEC0052
Sequence domains: Peptidase inhibitor I9
Structure domains: Peptidase S8 propeptide/proteinase inhibitor I9
Proprotein convertase subtilisin/kexin type 9 Chain: A
Molecule details ›
Chain: A
Length: 540 amino acids
Theoretical weight: 57.44 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8NBP7 (Residues: 153-692; Coverage: 82%)
Gene names: NARC1, PCSK9, PSEC0052
Sequence domains:
Structure domains:
Low-density lipoprotein receptor Chain: E
Molecule details ›
Chain: E
Length: 83 amino acids
Theoretical weight: 9.09 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01130 (Residues: 314-393; Coverage: 10%)
Gene name: LDLR
Sequence domains: Complement Clr-like EGF-like
Structure domains: Laminin

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P41212
Unit cell:
a: 116.952Å b: 116.952Å c: 134.878Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.205 0.203 0.24
Expression system: Escherichia coli