4axk

X-ray diffraction
2.25Å resolution

CRYSTAL STRUCTURE OF subHisA from the thermophile Corynebacterium efficiens

Released:

Function and Biology Details

Reaction catalysed:
1-(5-phospho-beta-D-ribosyl)-5-((5-phospho-beta-D-ribosylamino)methylideneamino)imidazole-4-carboxamide = 5-((5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino)-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-184451 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase Chains: A, B
Molecule details ›
Chains: A, B
Length: 250 amino acids
Theoretical weight: 27.04 KDa
Source organism: Corynebacterium efficiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8FNZ7 (Residues: 1-246; Coverage: 100%)
Gene names: CE1996, hisA
Sequence domains: Histidine biosynthesis protein
Structure domains: Aldolase class I

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I02
Spacegroup: P212121
Unit cell:
a: 69.46Å b: 78.84Å c: 92.43Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.238 0.236 0.303
Expression system: Escherichia coli BL21(DE3)