5box

X-ray diffraction
2.5Å resolution

Structure of TrmBL2, an archaeal chromatin protein, shows a novel mode of DNA binding.

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-118434 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Putative HTH-type transcriptional regulator TrmBL2 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 263 amino acids
Theoretical weight: 30.52 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8U3H1 (Residues: 2-264; Coverage: 100%)
Gene names: PF0496, trmBL2
Sequence domains:
Structure domains:
DNA TGM (25-MER) Chain: E
Molecule details ›
Chain: E
Length: 25 nucleotides
Theoretical weight: 7.7 KDa
Source organism: Pyrococcus furiosus
Expression system: Not provided
DNA (25-MER) Chain: F
Molecule details ›
Chain: F
Length: 25 nucleotides
Theoretical weight: 7.66 KDa
Source organism: Pyrococcus furiosus
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: P21
Unit cell:
a: 83.619Å b: 105.79Å c: 93.235Å
α: 90° β: 96.75° γ: 90°
R-values:
R R work R free
0.226 0.224 0.272
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided