1i9s

X-ray diffraction
1.65Å resolution

CRYSTAL STRUCTURE OF THE RNA TRIPHOSPHATASE DOMAIN OF MOUSE MRNA CAPPING ENZYME

Released:

Function and Biology Details

Reactions catalysed:
GTP + a 5'-diphospho-[mRNA] = diphosphate + a 5'-(5'-triphosphoguanosine)-[mRNA]
A 5'-triphospho-[mRNA] + H(2)O = a 5'-diphospho-[mRNA] + phosphate
Biochemical function:
  • not assigned
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Assembly name:
PDBe Complex ID:
PDB-CPX-129564 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
mRNA-capping enzyme Chain: A
Molecule details ›
Chain: A
Length: 210 amino acids
Theoretical weight: 24.32 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O55236 (Residues: 1-210; Coverage: 35%)
Gene names: Cap1a, Rngtt
Sequence domains: Dual specificity phosphatase, catalytic domain
Structure domains: Protein tyrosine phosphatase superfamily

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: C2221
Unit cell:
a: 62.228Å b: 98.856Å c: 71.818Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.196 0.194 0.225
Expression system: Escherichia coli BL21(DE3)