PDBe 1ds2

X-ray diffraction
1.7Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ovomucoid Chain: I
Molecule details ›
Chain: I
Length: 51 amino acids
Theoretical weight: 5.59 KDa
Source organism: Meleagris gallopavo
Expression system: Escherichia coli
UniProt:
  • Canonical: P68390 (Residues: 135-185; Coverage: 28%)
Sequence domains: Kazal-type serine protease inhibitor domain
Structure domains: Wheat Germ Agglutinin (Isolectin 2); domain 1
Streptogrisin-B Chain: E
Molecule details ›
Chain: E
Length: 185 amino acids
Theoretical weight: 18.67 KDa
Source organism: Streptomyces griseus
UniProt:
  • Canonical: P00777 (Residues: 115-299; Coverage: 71%)
Gene name: sprB
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P21
Unit cell:
a: 45.413Å b: 54.647Å c: 45.525Å
α: 90° β: 119.13° γ: 90°
R-values:
R R work R free
0.183 not available not available
Expression system: Escherichia coli