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4ysx

X-ray diffraction
2.25Å resolution

Crystal structure of Mitochondrial rhodoquinol-fumarate reductase from Ascaris suum with the specific inhibitor NN23

Released:
Model geometry
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Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-129184 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Succinate dehydrogenase [rhodoquinone] flavoprotein subunit 1, mitochondrial Chains: A, E
Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial Chains: B, F
Molecule details ›
Chains: B, F
Length: 282 amino acids
Theoretical weight: 31.67 KDa
Source organism: Ascaris suum
UniProt:
  • Canonical: O44074 (Residues: 1-282; Coverage: 100%)
Gene name: SDHB
Sequence domains:
Structure domains:
Succinate dehydrogenase [ubiquinone] cytochrome b large subunit, mitochondrial Chains: C, G
Succinate dehydrogenase [ubiquinone] cytochrome b small subunit 1, mitochondrial Chains: D, H

Ligands and Environments


Cofactor: Ligand FAD 2 x FAD

Cofactor: Ligand HEM 2 x HEM
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SPRING-8 BEAMLINE BL44XU
Spacegroup: P212121
Unit cell:
a: 124.2Å b: 127.909Å c: 220.546Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.183 0.181 0.221