› 1j33

X-ray diffraction
2Å resolution

Crystal structure of CobT from Thermus thermophilus HB8

Released:
DOI: 10.2210/pdb1j33/pdb
PDB entry 1j33 coloured by chain, front view.
PDB entry 1j33 coloured by chain, side view.
PDB entry 1j33 coloured by chain, top view.
Source organism: Thermus thermophilus HB8
Entry authors: Kunishima N, Asada Y, Miyano M, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Function and Biology Details

Reaction catalysed: 
Beta-nicotinate D-ribonucleotide + 5,6-dimethylbenzimidazole = nicotinate + alpha-ribazole 5'-phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181951 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase Chain: A
Molecule details ›
Chain: A
Length: 335 amino acids
Theoretical weight: 34.77 KDa
Source organism: Thermus thermophilus HB8
Expression system: Escherichia coli
UniProt:
  • Canonical: Q7SIC7 (Residues: 1-335; Coverage: 100%)
Gene names: TTHB048, cobT
Sequence domains: Phosphoribosyltransferase
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL38B1
Spacegroup: C2221
Unit cell:
a: 47.789Å b: 75.085Å c: 158.541Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.206 0.204 0.252
Expression system: Escherichia coli

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