1mjl

X-ray diffraction
2.1Å resolution

METHIONINE REPRESSOR MUTANT (Q44K) COMPLEX WITH THE COREPRESSOR SAM (S-ADENOSYL METHIONINE) FROM ESCHERICHIA COLI

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Met repressor Chains: A, B
Molecule details ›
Chains: A, B
Length: 104 amino acids
Theoretical weight: 12.03 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A8U6 (Residues: 2-105; Coverage: 99%)
Gene names: JW3909, b3938, metJ
Sequence domains: Met Apo-repressor, MetJ
Structure domains: MET Apo-Repressor, subunit A

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH2R
Spacegroup: P21
Unit cell:
a: 35.79Å b: 63.12Å c: 43.97Å
α: 90° β: 102.67° γ: 90°
R-values:
R R work R free
0.193 0.193 0.197
Expression system: Escherichia coli