3sgb

X-ray diffraction
1.8Å resolution

STRUCTURE OF THE COMPLEX OF STREPTOMYCES GRISEUS PROTEASE B AND THE THIRD DOMAIN OF THE TURKEY OVOMUCOID INHIBITOR AT 1.8 ANGSTROMS RESOLUTION

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133489 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Streptogrisin-B Chain: E
Molecule details ›
Chain: E
Length: 185 amino acids
Theoretical weight: 18.67 KDa
Source organism: Streptomyces griseus
Expression system: Not provided
UniProt:
  • Canonical: P00777 (Residues: 115-299; Coverage: 71%)
Gene name: sprB
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Ovomucoid Chain: I
Molecule details ›
Chain: I
Length: 56 amino acids
Theoretical weight: 6.03 KDa
Source organism: Meleagris gallopavo
Expression system: Not provided
UniProt:
  • Canonical: P68390 (Residues: 130-185; Coverage: 30%)
Sequence domains: Kazal-type serine protease inhibitor domain
Structure domains: Wheat Germ Agglutinin (Isolectin 2); domain 1

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21
Unit cell:
a: 45.35Å b: 54.52Å c: 45.65Å
α: 90° β: 119.2° γ: 90°
R-values:
R R work R free
0.125 0.125 not available
Expression system: Not provided