3sti

X-ray diffraction
2.6Å resolution

Crystal structure of the protease domain of DegQ from Escherichia coli

Released:

Function and Biology Details

Reaction catalysed:
Acts on substrates that are at least partially unfolded. The cleavage site P1 residue is normally between a pair of hydrophobic residues, such as Val-|-Val
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo trimer (preferred)
PDBe Complex ID:
PDB-CPX-153829 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Periplasmic pH-dependent serine endoprotease DegQ Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 245 amino acids
Theoretical weight: 25.66 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P39099 (Residues: 28-264; Coverage: 55%)
Gene names: JW3203, b3234, degQ, hhoA
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
X-ray source: RIGAKU RU200
Spacegroup: P31
Unit cell:
a: 70.868Å b: 70.868Å c: 152.013Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.223 0.222 0.257
Expression system: Escherichia coli