› 3ssi

X-ray diffraction
2.3Å resolution

PROTEINASE INHIBITOR SSI (STREPTOMYCES SUBTILISIN, INHIBITOR) FROM STREPTOMYCES ALBOGRISEOLUS

Released:
DOI: 10.2210/pdb3ssi/pdb
PDB entry 3ssi coloured by chain, front view.
PDB entry 3ssi coloured by chain, side view.
PDB entry 3ssi coloured by chain, top view.
Source organism: Streptomyces albogriseolus
Entry authors: Suzuki T, Nonaka T, Mitsui Y

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133775 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Subtilisin inhibitor Chain: A
Molecule details ›
Chain: A
Length: 113 amino acids
Theoretical weight: 11.49 KDa
Source organism: Streptomyces albogriseolus
UniProt:
  • Canonical: P01006 (Residues: 32-144; Coverage: 100%)
Gene name: ssi
Sequence domains: Subtilisin inhibitor-like
Structure domains: Subtilisin inhibitor-like

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH2R
Spacegroup: P3121
Unit cell:
a: 40.74Å b: 40.74Å c: 115.28Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.185 0.185 not available

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