X-ray diffraction
3.05Å resolution

Crystal structure of DegS after backsoaking the activating peptide


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:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Serine endoprotease DegS Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 314 amino acids
Theoretical weight: 33.24 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P0AEE3 (Residues: 43-355; Coverage: 88%)
Gene names: JW3204, b3235, degS, hhoB, htrH
Sequence domains: Trypsin
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: C2
Unit cell:
a: 206.99Å b: 142.733Å c: 41.231Å
α: 90° β: 90.09° γ: 90°
R R work R free
0.235 0.233 0.301
Expression system: Escherichia coli BL21(DE3)