› 3q2o

X-ray diffraction
1.96Å resolution

Crystal Structure of purK: N5-carboxyaminoimidazole ribonucleotide synthetase

Released:
DOI: 10.2210/pdb3q2o/pdb
PDB entry 3q2o coloured by chain, front view.
PDB entry 3q2o coloured by chain, side view.
PDB entry 3q2o coloured by chain, top view.
Source organism: Bacillus anthracis str. A0248
Primary publication:
Structure of N5-carboxyaminoimidazole ribonucleotide synthase (PurK) from Bacillus anthracis.
Tuntland ML, Johnson ME, Fung LW, Santarsiero BD
Acta Crystallogr D Biol Crystallogr 67 870-4 (2011)
PMID: 21931218

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-163906 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Phosphoribosylaminoimidazole carboxylase, ATPase subunit Chains: A, B
Molecule details ›
Chains: A, B
Length: 389 amino acids
Theoretical weight: 43.21 KDa
Source organism: Bacillus anthracis str. A0248
Expression system: Escherichia coli BL21(DE3)
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand MG 2 x MG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID, APS BEAMLINE 24-ID-E
Spacegroup: P212121
Unit cell:
a: 57.43Å b: 82.445Å c: 166.621Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.195 0.235
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

2 mentions without citation

Domain atrophy creates rare cases of functional partial protein domains.
Prakash et al. (2015)
1 more