PDBe 1ddg

X-ray diffraction
2.01Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Sulfite reductase [NADPH] flavoprotein alpha-component Chains: A, B
Molecule details ›
Chains: A, B
Length: 374 amino acids
Theoretical weight: 42.33 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P38038 (Residues: 226-599; Coverage: 62%)
Gene names: JW2734, b2764, cysJ
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand FAD 2 x FAD
1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM30A
Spacegroup: P1
Unit cell:
a: 34.84Å b: 82.54Å c: 105.36Å
α: 79.71° β: 83.05° γ: 89.9°
R-values:
R R work R free
0.206 not available 0.289
Expression system: Escherichia coli