PDBe 1kts

X-ray diffraction
2.4Å resolution

Thrombin Inhibitor Complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Thrombin light chain Chain: A
Molecule details ›
Chain: A
Length: 36 amino acids
Theoretical weight: 4.1 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P00734 (Residues: 328-363; Coverage: 6%)
Gene name: F2
Thrombin heavy chain Chain: B
Molecule details ›
Chain: B
Length: 259 amino acids
Theoretical weight: 29.78 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P00734 (Residues: 364-622; Coverage: 43%)
Gene name: F2
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Hirudin-2B Chain: C
Molecule details ›
Chain: C
Length: 11 amino acids
Theoretical weight: 1.49 KDa
Source organism: Hirudo medicinalis
UniProt:
  • Canonical: P28506 (Residues: 55-65; Coverage: 17%)

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: C2
Unit cell:
a: 69.9Å b: 71Å c: 72.2Å
α: 90° β: 99.8° γ: 90°
R-values:
R R work R free
0.211 0.211 0.309