› 4lh9

X-ray diffraction
2.05Å resolution

Crystal structure of the refolded hood domain (Asp256-Gly295) of HetR

Released:
DOI: 10.2210/pdb4lh9/pdb
PDB entry 4lh9 coloured by chain, front view.
PDB entry 4lh9 coloured by chain, side view.
PDB entry 4lh9 coloured by chain, top view.
Source organism: Nostoc sp. PCC 7120 = FACHB-418
Entry authors: Hu HX, Jiang YL, Zhao MX, Chen Y, Zhou CZ

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domain:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-151064 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA-binding transcriptional activator HetR Chain: A
Molecule details ›
Chain: A
Length: 40 amino acids
Theoretical weight: 4.72 KDa
Source organism: Nostoc sp. PCC 7120 = FACHB-418
Expression system: Escherichia coli
UniProt:
  • Canonical: P27709 (Residues: 256-295; Coverage: 13%)
Gene names: alr2339, hetR
Sequence domains: Heterocyst differentiation regulator C-terminal Hood domain
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: R32
Unit cell:
a: 92.907Å b: 92.907Å c: 36.897Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.276 0.272 0.361
Expression system: Escherichia coli

Quick links