PDBe 2jkh

X-ray diffraction
1.25Å resolution

Factor Xa - cation inhibitor complex

Released:

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

Assemblies composition:
hetero dimer (preferred)
monomeric
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Factor X light chain Chain: L
Molecule details ›
Chain: L
Length: 55 amino acids
Theoretical weight: 6.06 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P00742 (Residues: 126-180; Coverage: 12%)
Gene name: F10
Sequence domains: Coagulation Factor Xa inhibitory site
Structure domains: Laminin
Activated factor Xa heavy chain Chain: A
Molecule details ›
Chain: A
Length: 241 amino acids
Theoretical weight: 27.17 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P00742 (Residues: 235-475; Coverage: 53%)
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: SLS BEAMLINE X10SA
Spacegroup: P212121
Unit cell:
a: 48.91Å b: 74.12Å c: 77.18Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.196 0.195 0.221
Expression system: Escherichia coli