1smp

X-ray diffraction
2.3Å resolution

CRYSTAL STRUCTURE OF A COMPLEX BETWEEN SERRATIA MARCESCENS METALLO-PROTEASE AND AN INHIBITOR FROM ERWINIA CHRYSANTHEMI

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
Non-polymer only dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serralysin Chain: A
Molecule details ›
Chain: A
Length: 471 amino acids
Theoretical weight: 50.44 KDa
Source organism: Serratia marcescens
Expression system: Escherichia coli
UniProt:
  • Canonical: P23694 (Residues: 17-487; Coverage: 97%)
Sequence domains:
Structure domains:
Proteinase inhibitor Chain: I
Molecule details ›
Chain: I
Length: 101 amino acids
Theoretical weight: 11.02 KDa
Source organism: Dickeya chrysanthemi
Expression system: Escherichia coli
UniProt:
  • Canonical: P18958 (Residues: 20-120; Coverage: 100%)
Gene name: inh
Sequence domains: Protease inhibitor Inh
Structure domains: Lipocalin

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P43
Unit cell:
a: 108.83Å b: 108.83Å c: 87.95Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.195 0.195 0.247
Expression system: Escherichia coli