PDBe 2p3t

X-ray diffraction
1.92Å resolution

Crystal structure of human factor XA complexed with 3-Chloro-4-(2-methylamino-imidazol-1-ylmethyl)-thiophene-2-carboxylic acid [4-chloro-2-(5-chloro-pyridin-2-ylcarbamoyl)-6-methoxy-phenyl]-amide


Function and Biology Details

Reaction catalysed:
Selective cleavage of Arg-|-Thr and then Arg-|-Ile bonds in prothrombin to form thrombin. 
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Factor X light chain Chain: A
Molecule details ›
Chain: A
Length: 52 amino acids
Theoretical weight: 5.59 KDa
Source organism: Homo sapiens
  • Canonical: P00742 (Residues: 127-178; Coverage: 11%)
Gene name: F10
Sequence domains: Coagulation Factor Xa inhibitory site
Structure domains: Laminin
Activated factor Xa heavy chain Chain: B
Molecule details ›
Chain: B
Length: 233 amino acids
Theoretical weight: 26.35 KDa
Source organism: Homo sapiens
  • Canonical: P00742 (Residues: 235-467; Coverage: 51%)
Gene name: F10
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: SSRL BEAMLINE BL9-2
Spacegroup: P212121
Unit cell:
a: 57.06Å b: 72.51Å c: 78.46Å
α: 90° β: 90° γ: 90°
R R work R free
0.192 0.191 0.219