› 3b73

X-ray diffraction
2.12Å resolution

Crystal structure of the PhiH1 repressor-like protein from Haloarcula marismortui

Released:
DOI: 10.2210/pdb3b73/pdb
PDB entry 3b73 coloured by chain, front view.
PDB entry 3b73 coloured by chain, side view.
PDB entry 3b73 coloured by chain, top view.
Source organism: Haloarcula marismortui ATCC 43049
Entry authors: Kim Y, Zhou M, Keigher L, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-178397 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
PhiH1 repressor Chains: A, B
Molecule details ›
Chains: A, B
Length: 111 amino acids
Theoretical weight: 12.49 KDa
Source organism: Haloarcula marismortui ATCC 43049
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q5V043 (Residues: 1-108; Coverage: 100%)
Gene names: E6P14_13445, phrH2, rrnAC2285
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

Ligands and Environments

1 bound ligand:
Ligand SO4 2 x SO4
1 modified residue:
Ligand MSE 4 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P212121
Unit cell:
a: 48.392Å b: 53.483Å c: 89.343Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.196 0.194 0.228
Expression system: Escherichia coli BL21(DE3)

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