› 4dvq

X-ray diffraction
2.49Å resolution

Structure of human aldosterone synthase, CYP11B2, in complex with deoxycorticosterone

Released:
DOI: 10.2210/pdb4dvq/pdb
PDB entry 4dvq coloured by chain, front view.
PDB entry 4dvq coloured by chain, side view.
PDB entry 4dvq coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Structural insights into aldosterone synthase substrate specificity and targeted inhibition.
Strushkevich N, Gilep AA, Shen L, Arrowsmith CH, Edwards AM, Usanov SA, Park HW
Mol Endocrinol 27 315-24 (2013)
PMID: 23322723

Function and Biology Details

Reactions catalysed: 
A steroid + 2 reduced adrenodoxin + O(2) + 2 H(+) = an 11-beta-hydroxysteroid + 2 oxidized adrenodoxin + H(2)O
Corticosterone + 2 reduced adrenodoxin + O(2) + 2 H(+) = 18-hydroxycorticosterone + 2 oxidized adrenodoxin + H(2)O
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-148501 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome P450 11B2, mitochondrial Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 483 amino acids
Theoretical weight: 55.65 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P19099 (Residues: 34-503; Coverage: 93%)
Gene name: CYP11B2
Sequence domains: Cytochrome P450
Structure domains: Cytochrome P450

Ligands and Environments


Cofactor: Ligand HEM 12 x HEM
2 bound ligands:
Ligand 1CA 12 x 1CA
Ligand SO4 9 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: P21
Unit cell:
a: 130.347Å b: 199.629Å c: 150.153Å
α: 90° β: 112.18° γ: 90°
R-values:
R R work R free
0.207 0.204 0.263
Expression system: Escherichia coli

Quick links

Citations

20 review citations

Vitamin D-Mediated Hypercalcemia: Mechanisms, Diagnosis, and Treatment.
Tebben et al. (2016)
19 more

13 mentions without citation

Human cytochrome P450 enzymes 5-51 as targets of drugs and natural and environmental compounds: mechanisms, induction, and inhibition - toxic effects and benefits.
Rendic et al. (2018)
12 more