PDBe 1b7x

X-ray diffraction
2.1Å resolution

STRUCTURE OF HUMAN ALPHA-THROMBIN Y225I MUTANT BOUND TO D-PHE-PRO-ARG-CHLOROMETHYLKETONE

Released:
Source organism: Homo sapiens
Primary publication:
Unexpected crucial role of residue 225 in serine proteases.
Proc. Natl. Acad. Sci. U.S.A. 96 1852-7 (1999)
PMID: 10051558

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
Expression system: Saccharomyces cerevisiae
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: 29.73 KDa
Source organism: Homo sapiens
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P00734 (Residues: 364-622; Coverage: 43%)
Gene name: F2
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
PROTEIN (INHIBITOR) Chain: C
Molecule details ›
Chain: C
Length: 3 amino acids
Theoretical weight: 419 Da
Source organism: Homo sapiens
Expression system: Saccharomyces cerevisiae

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P212121
Unit cell:
a: 50.6Å b: 73.7Å c: 89.9Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.226 0.226 0.282
Expression system: Saccharomyces cerevisiae