5ab3

X-ray diffraction
1.8Å resolution

S.enterica HisA mutant D7N, D10G, dup13-15, Q24L, G102A

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-145288 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 256 amino acids
Theoretical weight: 27.43 KDa
Source organism: Salmonella enterica subsp. enterica serovar Cubana str. 76814
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P10372 (Residues: 1-12, 13-245; Coverage: 100%)
Gene names: STM2076, hisA
Sequence domains: Histidine biosynthesis protein
Structure domains: Aldolase class I

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I02
Spacegroup: P3221
Unit cell:
a: 61.196Å b: 61.196Å c: 391.887Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.174 0.172 0.206
Expression system: Escherichia coli BL21