6irv

X-ray diffraction
2.7Å resolution

Crystal structure of the human cap-specific adenosine methyltransferase

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + a 5-(N(7)-methyl 5-triphosphoguanosine)-2'-O-methyladenosine-[mRNA] = S-adenosyl-L-homocysteine + a 5-(N(7)-methyl 5-triphosphoguanosine)-N(6),2'-O-dimethyladenosine-[mRNA]
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-190622 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
mRNA (2'-O-methyladenosine-N(6)-)-methyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 508 amino acids
Theoretical weight: 59.39 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9H4Z3 (Residues: 174-672; Coverage: 71%)
Gene names: C20orf67, CAPAM, PCIF1, PPP1R121
Sequence domains: Phosphorylated CTD interacting factor 1 WW domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P212121
Unit cell:
a: 70.699Å b: 120.309Å c: 156.831Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.216 0.214 0.252
Expression system: Escherichia coli BL21(DE3)