3kqb

X-ray diffraction
2.25Å resolution

Factor xa in complex with the inhibitor n-(3-fluoro-2'- (methylsulfonyl)biphenyl-4-yl)-1-(3-(5-oxo-4,5-dihydro-1h- 1,2,4-triazol-3-yl)phenyl)-3-(trifluoromethyl)-1h- pyrazole-5-carboxamide

Released:
Source organism: Homo sapiens

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):
Activated factor Xa heavy chain Chain: A
Molecule details ›
Chain: A
Length: 234 amino acids
Theoretical weight: 26.45 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P00742 (Residues: 235-468; Coverage: 51%)
Gene name: F10
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Factor X light chain Chain: L
Molecule details ›
Chain: L
Length: 52 amino acids
Theoretical weight: 5.59 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P00742 (Residues: 127-178; Coverage: 11%)
Gene name: F10
Sequence domains: Coagulation Factor Xa inhibitory site
Structure domains: Laminin

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P212121
Unit cell:
a: 56.7Å b: 72.3Å c: 77.7Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.189 0.186 0.221