1yq2

X-ray diffraction
1.9Å resolution

beta-galactosidase from Arthrobacter sp. C2-2 (isoenzyme C2-2-1)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-185209 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
beta-galactosidase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 1024 amino acids
Theoretical weight: 111.15 KDa
Source organism: Arthrobacter sp. C2-2
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8KRF6 (Residues: 1-1023; Coverage: 100%)
Gene name: lacZ
Sequence domains:
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P21
Unit cell:
a: 140.091Å b: 205.698Å c: 140.458Å
α: 90° β: 102.34° γ: 90°
R-values:
R R work R free
0.157 0.157 0.195
Expression system: Escherichia coli BL21(DE3)