PDBe 4y8z

X-ray diffraction
2.2Å resolution

Factor XIa in complex with the inhibitor (2E)-N-[(1S)-1-[5-chloro-4-(4-hydroxy-2-oxo-1,2-dihydroquinolin-6-yl)-1H-imidazol-2-yl]-3-(4-methylpiperazin-1-yl)-3-oxopropyl]-3-[5-chloro-2-(1H-tetrazol-1-yl)phenyl]prop-2-enamide


Function and Biology Details

Reaction catalysed:
Selective cleavage of Arg-|-Ala and Arg-|-Val bonds in factor IX to form factor IXa.
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Coagulation factor XIa light chain Chain: A
Molecule details ›
Chain: A
Length: 244 amino acids
Theoretical weight: 27.6 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: NEW P03951 (Residues: 388-625; Coverage: 39%)
Gene name: F11
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-BM
Spacegroup: P3221
Unit cell:
a: 79.1Å b: 79.1Å c: 106.4Å
α: 90° β: 90° γ: 120°
R R work R free
0.24 0.239 0.261
Expression system: Escherichia coli BL21(DE3)