X-ray diffraction
1.54Å resolution

Wild type structure of SiRHP


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Sulfite reductase [NADPH] hemoprotein beta-component Chain: A
Molecule details ›
Chain: A
Length: 570 amino acids
Theoretical weight: 64.02 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
  • Canonical: P17846 (Residues: 1-570; Coverage: 100%)
Gene names: JW2733, b2763, cysI
Sequence domains:
Structure domains:

Ligands and Environments

Cofactor: Ligand SRM 1 x SRM
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P212121
Unit cell:
a: 68.794Å b: 77.317Å c: 87.586Å
α: 90° β: 90° γ: 90°
R R work R free
0.153 0.152 0.171
Expression system: Escherichia coli