› 2ywx

X-ray diffraction
2.31Å resolution

Crystal structure of phosphoribosylaminoimidazole carboxylase catalytic subunit from Methanocaldococcus jannaschii

Released:
DOI: 10.2210/pdb2ywx/pdb
PDB entry 2ywx coloured by chain, front view.
PDB entry 2ywx coloured by chain, side view.
PDB entry 2ywx coloured by chain, top view.
Source organism: Methanocaldococcus jannaschii
Entry authors: Kanagawa M, Baba S, Kuramitsu S, Yokoyama S, Kawai G, Sampei G, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Function and Biology Details

Reaction catalysed: 
5-carboxyamino-1-(5-phospho-D-ribosyl)imidazole = 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo octamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-176552 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
N5-carboxyaminoimidazole ribonucleotide mutase Chain: A
Molecule details ›
Chain: A
Length: 157 amino acids
Theoretical weight: 16.97 KDa
Source organism: Methanocaldococcus jannaschii
Expression system: Escherichia coli
UniProt:
  • Canonical: Q58033 (Residues: 1-157; Coverage: 100%)
Gene names: MJ0616, purE
Sequence domains: AIR carboxylase
Structure domains: Rossmann fold

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B1
Spacegroup: I422
Unit cell:
a: 100.887Å b: 100.887Å c: 70.912Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.23 0.23 0.24
Expression system: Escherichia coli

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