› 1x1o

X-ray diffraction
1.9Å resolution

Crystal structure of project ID TT0268 from Thermus thermophilus HB8

Released:
DOI: 10.2210/pdb1x1o/pdb
PDB entry 1x1o coloured by chain, front view.
PDB entry 1x1o coloured by chain, side view.
PDB entry 1x1o coloured by chain, top view.
Source organism: Thermus thermophilus HB8
Entry authors: Shimizu K, Kunishima N, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Function and Biology Details

Reaction catalysed: 
Beta-nicotinate D-ribonucleotide + diphosphate + CO(2) = pyridine-2,3-dicarboxylate + 5-phospho-alpha-D-ribose 1-diphosphate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-178026 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
nicotinate-nucleotide diphosphorylase (carboxylating) Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 286 amino acids
Theoretical weight: 30.46 KDa
Source organism: Thermus thermophilus HB8
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q5SJM3 (Residues: 1-286; Coverage: 100%)
Gene name: TTHA0985
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B1
Spacegroup: P21212
Unit cell:
a: 112.51Å b: 73.68Å c: 108.9Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.221 0.221 0.246
Expression system: Escherichia coli BL21(DE3)

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