4nmx

X-ray diffraction
1.85Å resolution

PCSK9(deltaCRD) in complex with phage-derived inhibitory peptide 2-8

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-164911 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Proprotein convertase subtilisin/kexin type 9 Chain: A
Molecule details ›
Chain: A
Length: 125 amino acids
Theoretical weight: 14.01 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q8NBP7 (Residues: 31-152; Coverage: 18%)
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: B
Molecule details ›
Chain: B
Length: 308 amino acids
Theoretical weight: 32.84 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q8NBP7 (Residues: 153-452; Coverage: 45%)
Gene names: NARC1, PCSK9, PSEC0052
Sequence domains: Subtilase family
Structure domains: Peptidase S8/S53 domain
peptide 2-8 Chain: Z
Molecule details ›
Chain: Z
Length: 15 amino acids
Theoretical weight: 1.7 KDa

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: C2
Unit cell:
a: 95.102Å b: 70.765Å c: 70.413Å
α: 90° β: 96.08° γ: 90°
R-values:
R R work R free
0.186 0.185 0.222
Expression system: Spodoptera frugiperda