4ixh

X-ray diffraction
2.1Å resolution

Crystal Structure of the Catalytic Domain of the Inosine Monophosphate Dehydrogenase from Cryptosporidium parvum

Released:

Function and Biology Details

Reaction catalysed:
Inosine 5'-phosphate + NAD(+) + H(2)O = xanthosine 5'-phosphate + NADH
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
PDBe Complex ID:
PDB-CPX-186137 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Inosine-5'-monophosphate dehydrogenase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 361 amino acids
Theoretical weight: 38.51 KDa
Source organism: Cryptosporidium parvum
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q8T6T2 (Residues: 1-89, 135-400; Coverage: 89%)
Gene names: 56k.02, cgd6_20
Sequence domains: IMP dehydrogenase / GMP reductase domain
Structure domains: Aldolase class I

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P21
Unit cell:
a: 89.185Å b: 92.016Å c: 92.139Å
α: 90° β: 103.85° γ: 90°
R-values:
R R work R free
0.164 0.162 0.21
Expression system: Escherichia coli BL21