› 2ebb

X-ray diffraction
1.6Å resolution

Crystal structure of pterin-4-alpha-carbinolamine dehydratase (pterin carbinolamine dehydratase) from Geobacillus kaustophilus HTA426

Released:
DOI: 10.2210/pdb2ebb/pdb
PDB entry 2ebb coloured by chain, front view.
PDB entry 2ebb coloured by chain, side view.
PDB entry 2ebb coloured by chain, top view.
Source organism: Geobacillus kaustophilus
Entry authors: Kumarevel TS, Karthe P, Kuramitsu S, Yokoyama S, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Function and Biology Details

Reaction catalysed: 
4a-hydroxytetrahydrobiopterin = 6,7-dihydrobiopterin + H(2)O
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-177391 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
4a-hydroxytetrahydrobiopterin dehydratase Chain: A
Molecule details ›
Chain: A
Length: 101 amino acids
Theoretical weight: 11.98 KDa
Source organism: Geobacillus kaustophilus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q5KYG7 (Residues: 1-101; Coverage: 100%)
Gene name: GK1984
Sequence domains: Pterin 4 alpha carbinolamine dehydratase
Structure domains: Transcriptional coactivator/pterin dehydratase

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B2
Spacegroup: P21212
Unit cell:
a: 46.866Å b: 67.471Å c: 31.275Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.223 0.223 0.237
Expression system: Escherichia coli

Quick links