› 4ynr

X-ray diffraction
1.92Å resolution

DosS GAFA Domain Reduced CO Bound Crystal Structure

Released:
DOI: 10.2210/pdb4ynr/pdb
PDB entry 4ynr coloured by chain, front view.
PDB entry 4ynr coloured by chain, side view.
PDB entry 4ynr coloured by chain, top view.
Source organism: Mycobacterium tuberculosis CDC1551
Primary publication:
Analysis of cytochrome P450 CYP119 ligand-dependent conformational dynamics by two-dimensional NMR and X-ray crystallography.
Basudhar D, Madrona Y, Kandel S, Lampe JN, Nishida CR, de Montellano PR
J Biol Chem 290 10000-17 (2015)
PMID: 25670859

Function and Biology Details

Reaction catalysed: 
ATP + protein L-histidine = ADP + protein N-phospho-L-histidine
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-161494 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Oxygen sensor histidine kinase response regulator DevS/DosS Chains: A, B
Molecule details ›
Chains: A, B
Length: 154 amino acids
Theoretical weight: 16.84 KDa
Source organism: Mycobacterium tuberculosis CDC1551
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P9WGK2 (Residues: 63-210; Coverage: 26%)
Gene names: MT3218, devS, dosS
Sequence domains: GAF domain
Structure domains: Beta-Lactamase

Ligands and Environments


Cofactor: Ligand HEM 2 x HEM
1 bound ligand:
Ligand CMO 2 x CMO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.3.1
Spacegroup: P212121
Unit cell:
a: 33.505Å b: 79.247Å c: 109.451Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.192 0.189 0.235
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

3 review citations

Recent Structural Insights into Cytochrome P450 Function.
Guengerich et al. (2016)
2 more

1 mention without citation

Crystal structures of the CO and NOBound DosS GAF-A domain and implications for DosS signaling in Mycobacterium tuberculosis.
Madrona et al. (2016)