› 3qod

X-ray diffraction
3.38Å resolution

Crystal Structure of Heterocyst Differentiation Protein, HetR from Fischerella mv11

Released:
DOI: 10.2210/pdb3qod/pdb
PDB entry 3qod coloured by chain, front view.
PDB entry 3qod coloured by chain, side view.
PDB entry 3qod coloured by chain, top view.
Source organism: Fischerella thermalis PCC 7521
Primary publication:
Structure of transcription factor HetR required for heterocyst differentiation in cyanobacteria.
Kim Y, Joachimiak G, Ye Z, Binkowski TA, Zhang R, Gornicki P, Callahan SM, Hess WR, Haselkorn R, Joachimiak A
Proc Natl Acad Sci U S A 108 10109-14 (2011)
PMID: 21628585

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-173370 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HetR C-terminal Hood domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 302 amino acids
Theoretical weight: 35.98 KDa
Source organism: Fischerella thermalis PCC 7521
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q2ACK9 (Residues: 1-247; Coverage: 100%)
Gene name: hetR
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
1 modified residue:
Ligand MSE 32 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P65
Unit cell:
a: 123.383Å b: 123.383Å c: 109.615Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.207 0.204 0.267
Expression system: Escherichia coli BL21

Quick links

Citations

4 review citations

Heterocyst differentiation: from single mutants to global approaches.
Muro-Pastor et al. (2012)
3 more

3 mentions without citation

Structure of transcription factor HetR required for heterocyst differentiation in cyanobacteria.
Kim et al. (2011)
2 more