PDBe 1l1j

X-ray diffraction
2.8Å resolution

Crystal structure of the protease domain of an ATP-independent heat shock protease HtrA


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Heat shock serine protease, periplasmic Chains: A, B
Molecule details ›
Chains: A, B
Length: 239 amino acids
Theoretical weight: 25.93 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli
  • Canonical: Q9WZ41 (Residues: 24-262; Coverage: 55%)
Gene name: TM_0571
Sequence domains: Trypsin-like peptidase domain
Structure domains: Trypsin-like serine proteases

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P213
Unit cell:
a: 120.55Å b: 120.55Å c: 120.55Å
α: 90° β: 90° γ: 90°
R R work R free
0.228 0.228 0.278
Expression system: Escherichia coli