1s2b

X-ray diffraction
2.1Å resolution

Structure of SCP-B the first member of the Eqolisin family of Peptidases to have its structure determined

Released:
Model geometry
Fit model/data
Data not deposited

Function and Biology Details

Reaction catalysed:
Hydrolysis of proteins with broad specificity, cleaving 24-Phe-|-Phe-25, but not 15-Leu-|-Tyr-16 and 25-Phe-|-Tyr-26 in the B chain of insulin.
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-147327 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Scytalidopepsin B Chain: A
Molecule details ›
Chain: A
Length: 206 amino acids
Theoretical weight: 21.55 KDa
Source organism: Scytalidium lignicola
Expression system: Escherichia coli
UniProt:
  • Canonical: P15369 (Residues: 55-260; Coverage: 86%)
Sequence domains: Peptidase A4 family
Structure domains: Peptidase G1

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P6322
Unit cell:
a: 108.601Å b: 108.601Å c: 114.15Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.23 0.23 0.246
Expression system: Escherichia coli