7f4s

X-ray diffraction
3.09Å resolution

Crystal structure of TthMTA1-PteMTA9 complex

Released:
Model geometry
Fit model/data

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + adenine in mRNA = S-adenosyl-L-homocysteine + N(6)-methyladenine in mRNA
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-106066 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
mRNA m(6)A methyltransferase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 202 amino acids
Theoretical weight: 23.11 KDa
Source organism: Tetrahymena thermophila SB210
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: Q22GC0 (Residues: 227-428; Coverage: 47%)
Gene name: TTHERM_00704040
Sequence domains: MT-A70
Chromosome undetermined scaffold_82, whole genome shotgun sequence Chains: D, E, F
Molecule details ›
Chains: D, E, F
Length: 237 amino acids
Theoretical weight: 27.63 KDa
Source organism: Paramecium tetraurelia strain d4-2
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: A0E887 (Residues: 66-302; Coverage: 79%)
Gene name: GSPATT00024232001

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SSRF BEAMLINE BL18U1
Spacegroup: P21
Unit cell:
a: 75.699Å b: 75.647Å c: 142.471Å
α: 90° β: 99.158° γ: 90°
R-values:
R R work R free
0.305 0.304 0.316
Expression system: Escherichia coli K-12