2sni

X-ray diffraction
2.1Å resolution

STRUCTURAL COMPARISON OF TWO SERINE PROTEINASE-PROTEIN INHIBITOR COMPLEXES. EGLIN-C-SUBTILISIN CARLSBERG AND CI-2-SUBTILISIN NOVO

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133533 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Subtilisin BPN' Chain: E
Molecule details ›
Chain: E
Length: 275 amino acids
Theoretical weight: 27.55 KDa
Source organism: Bacillus amyloliquefaciens
Expression system: Not provided
UniProt:
  • Canonical: P00782 (Residues: 108-382; Coverage: 78%)
Gene name: apr
Sequence domains: Subtilase family
Structure domains: Peptidase S8/S53 domain
Subtilisin-chymotrypsin inhibitor-2A Chain: I
Molecule details ›
Chain: I
Length: 83 amino acids
Theoretical weight: 9.26 KDa
Source organism: Hordeum sp.
Expression system: Not provided
UniProt:
  • Canonical: P01053 (Residues: 2-84; Coverage: 99%)
Sequence domains: Potato inhibitor I family
Structure domains: Trypsin Inhibitor V, subunit A

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: C2
Unit cell:
a: 103.19Å b: 56.83Å c: 68.74Å
α: 90° β: 127.47° γ: 90°
R-values:
R R work R free
0.154 not available not available
Expression system: Not provided