1h3m

X-ray diffraction
2.4Å resolution

Structure of 4-diphosphocytidyl-2C-methyl-D-erythritol synthetase

Released:
Source organism: Escherichia coli BL21(DE3)
Primary publication:
Structure of a tetragonal crystal form of Escherichia coli 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase.
Acta Crystallogr D Biol Crystallogr 59 607-10 (2003)
PMID: 12595740

Function and Biology Details

Reaction catalysed:
CTP + 2-C-methyl-D-erythritol 4-phosphate = diphosphate + 4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-175156 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 235 amino acids
Theoretical weight: 25.67 KDa
Source organism: Escherichia coli BL21(DE3)
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q46893 (Residues: 2-236; Coverage: 100%)
Gene names: JW2717, b2747, ispD, ygbP
Sequence domains: 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase
Structure domains: Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: P41212
Unit cell:
a: 73.604Å b: 73.604Å c: 175.562Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.241 0.237 0.333
Expression system: Escherichia coli BL21(DE3)