PDBe 1qi7

X-ray diffraction
2Å resolution

THE CRYSTAL STRUCTURE AT 2.0 A OF SAPORIN SO6, A RIBOSOME INACTIVATING PROTEIN FROM SAPONARIA OFFICINALIS

Released:

Function and Biology Details

Reaction catalysed:
Endohydrolysis of the N-glycosidic bond at one specific adenosine on the 28S rRNA.
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ribosome-inactivating protein saporin-6 Chain: A
Molecule details ›
Chain: A
Length: 253 amino acids
Theoretical weight: 28.62 KDa
Source organism: Saponaria officinalis
UniProt:
  • Canonical: P20656 (Residues: 25-277; Coverage: 92%)
Gene name: SAP6
Sequence domains: Ribosome inactivating protein
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P4322
Unit cell:
a: 67.53Å b: 67.53Å c: 119.67Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.182 0.182 0.227