3s2w

X-ray diffraction
2.45Å resolution

The crystal structure of a MarR transcriptional regulator from Methanosarcina mazei Go1

Released:
Source organism: Methanosarcina mazei Go1
Entry authors: Tan K, Li H, Gu M, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH marR-type domain-containing protein Chains: A, B, C, D, E, F, G, H
Molecule details ›
Chains: A, B, C, D, E, F, G, H
Length: 159 amino acids
Theoretical weight: 18.8 KDa
Source organism: Methanosarcina mazei Go1
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q8PVU7 (Residues: 1-156; Coverage: 100%)
Gene name: MM_1863
Sequence domains: MarR family
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P21
Unit cell:
a: 42.943Å b: 300.077Å c: 55.711Å
α: 90° β: 111.13° γ: 90°
R-values:
R R work R free
0.183 0.179 0.246
Expression system: Escherichia coli BL21