4i2o

X-ray diffraction
1.77Å resolution

The Structure of FixK2 from Bradyrhizobium japonicum

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-117630 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
HTH crp-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 243 amino acids
Theoretical weight: 26.93 KDa
Source organism: Bradyrhizobium japonicum
Expression system: Escherichia coli
UniProt:
  • Canonical: O69245 (Residues: 1-232; Coverage: 100%)
Gene name: fixK2
Sequence domains:
Structure domains:
Promoter of fixK2 direct target, fixN, upstream Chain: W
Molecule details ›
Chain: W
Length: 30 nucleotides
Theoretical weight: 9.42 KDa
Source organism: Bradyrhizobium japonicum
Expression system: Not provided
Promoter of fixK2 direct target, fixN, downstream Chain: X
Molecule details ›
Chain: X
Length: 30 nucleotides
Theoretical weight: 9.03 KDa
Source organism: Bradyrhizobium japonicum
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P21
Unit cell:
a: 111.33Å b: 43.88Å c: 70.11Å
α: 90° β: 90.04° γ: 90°
R-values:
R R work R free
0.185 0.183 0.227
Expression systems:
  • Escherichia coli
  • Not provided