8d7k

X-ray diffraction
3.1Å resolution

Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap2 from S. aureus

Released:
Model geometry
Fit model/data

Function and Biology Details

Reactions catalysed:
Specificity similar to chymotrypsin C.
Hydrolysis of proteins, including elastin. Preferential cleavage Val-|- > Ala-|-.
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-272417 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Cathepsin G Chains: C, F, I, L
Molecule details ›
Chains: C, F, I, L
Length: 223 amino acids
Theoretical weight: 25.4 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P08311 (Residues: 21-243; Coverage: 94%)
Gene name: CTSG
Sequence domains: Trypsin
Protein map Chains: B, E, H, K
Molecule details ›
Chains: B, E, H, K
Length: 100 amino acids
Theoretical weight: 11.02 KDa
Source organism: Staphylococcus aureus subsp. aureus Mu50
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q99QS1 (Residues: 158-254; Coverage: 22%)
Gene names: SAV1938, map
Sequence domains: MAP domain
Neutrophil elastase Chains: A, D, G, J

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P21
Unit cell:
a: 97.594Å b: 107.438Å c: 105.415Å
α: 90° β: 91.52° γ: 90°
R-values:
R R work R free
0.188 0.184 0.258
Expression system: Escherichia coli BL21(DE3)