› 3ctp

X-ray diffraction
1.41Å resolution

Crystal structure of periplasmic binding protein/LacI transcriptional regulator from Alkaliphilus metalliredigens QYMF complexed with D-xylulofuranose

Released:
DOI: 10.2210/pdb3ctp/pdb
PDB entry 3ctp coloured by chain, front view.
PDB entry 3ctp coloured by chain, side view.
PDB entry 3ctp coloured by chain, top view.
Source organism: Alkaliphilus metalliredigens QYMF
Entry authors: Malashkevich VN, Toro R, Wasserman SR, Meyer A, Sauder JM, Burley SK, Almo SC, New York SGX Research Center for Structural Genomics (NYSGXRC)

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-108118 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH lacI-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 330 amino acids
Theoretical weight: 37.38 KDa
Source organism: Alkaliphilus metalliredigens QYMF
Expression system: Escherichia coli
UniProt:
  • Canonical: A6TKU5 (Residues: 2-327; Coverage: 98%)
Gene name: Amet_0586
Sequence domains:
Structure domains: Rossmann fold

Ligands and Environments

2 bound ligands:
Ligand XLF 2 x XLF
Ligand NA 2 x NA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 31-ID
Spacegroup: P21
Unit cell:
a: 64.172Å b: 61.903Å c: 74.362Å
α: 90° β: 104.81° γ: 90°
R-values:
R R work R free
0.183 0.182 0.207
Expression system: Escherichia coli

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