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Crystal structure of DegS H198P/D320A mutant modified by DFP in complex with DNRDGNVYYF peptide

X-ray diffraction
2.85Å resolution
PDB entry 3gds coloured by chain, front view.
PDB entry 3gds coloured by chain, side view.
PDB entry 3gds coloured by chain, top view.
Source organism: Escherichia coli K-12
Assembly composition:
hetero hexamer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Serine endoprotease DegS and peptide
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Multimeric state: hetero hexamer
Accessible surface area: 38873.72 Å2
Buried surface area: 9748.28 Å2
Dissociation area: 1,416.14 Å2
Dissociation energy (ΔGdiss): 12.43 kcal/mol
Dissociation entropy (TΔSdiss): 17.4 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-142442

Macromolecules

Serine endoprotease DegS
Chain: A
Length: 340 amino acids
Theoretical weight: 36.26 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AEE3 (Residues: 27-355; Coverage: 93%)
Gene names: JW3204, b3235, degS, hhoB, htrH
Pfam:
InterPro:
CATH:
Serine endoprotease DegS in PDB entry 3gds, assembly 1, front view.
Serine endoprotease DegS in PDB entry 3gds, assembly 1, side view.
Serine endoprotease DegS in PDB entry 3gds, assembly 1, top view.
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DNRDGNVYYF peptide
Chain: B
Length: 10 amino acids
Theoretical weight: 1.26 KDa
Source organism: Escherichia coli K-12
Expression system: Not provided
DNRDGNVYYF peptide in PDB entry 3gds, assembly 1, front view.
DNRDGNVYYF peptide in PDB entry 3gds, assembly 1, side view.
DNRDGNVYYF peptide in PDB entry 3gds, assembly 1, top view.
Molecule details ›

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