› 3egq

X-ray diffraction
2.55Å resolution

Crystal structure of a tetr-family transcriptional regulator (af_1817) from archaeoglobus fulgidus at 2.55 A resolution

Released:
DOI: 10.2210/pdb3egq/pdb
PDB entry 3egq coloured by chain, front view.
PDB entry 3egq coloured by chain, side view.
PDB entry 3egq coloured by chain, top view.
Source organism: Archaeoglobus fulgidus
Entry author: Joint Center for Structural Genomics (JCSG)

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-128027 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH tetR-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 170 amino acids
Theoretical weight: 20.52 KDa
Source organism: Archaeoglobus fulgidus
Expression system: Escherichia coli
UniProt:
  • Canonical: O28458 (Residues: 1-169; Coverage: 100%)
Gene name: AF_1817
Sequence domains: Bacterial regulatory proteins, tetR family
Structure domains: Tetracycline Repressor, domain 2

Ligands and Environments

1 bound ligand:
Ligand PE8 2 x PE8
1 modified residue:
Ligand MSE 22 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: P212121
Unit cell:
a: 57.55Å b: 61.04Å c: 109.94Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.244 0.243 0.275
Expression system: Escherichia coli

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