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Crystal structure of a tRNA (guanine-N1)-methyltransferase from Acinetobacter baumannii

X-ray diffraction
2.55Å resolution
PDB entry 7myq coloured by chain, front view.
PDB entry 7myq coloured by chain, side view.
PDB entry 7myq coloured by chain, top view.
Source organism: Acinetobacter baumannii
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: tRNA (guanine-N(1)-)-methyltransferase
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Multimeric state: homo dimer
Accessible surface area: 20775.77 Å2
Buried surface area: 6320.2 Å2
Dissociation area: 3,160.1 Å2
Dissociation energy (ΔGdiss): 33.02 kcal/mol
Dissociation entropy (TΔSdiss): 13.99 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-109229

Macromolecules

tRNA (guanine-N(1)-)-methyltransferase
Chains: A, B
Length: 254 amino acids
Theoretical weight: 28.92 KDa
Source organism: Acinetobacter baumannii
Expression system: Escherichia coli
UniProt:
  • Canonical: B0V8J1 (Residues: 2-246; Coverage: 100%)
Gene names: ABAYE0323, trmD
Pfam: tRNA (Guanine-1)-methyltransferase
InterPro:
tRNA (guanine-N(1)-)-methyltransferase in PDB entry 7myq, assembly 1, front view.
tRNA (guanine-N(1)-)-methyltransferase in PDB entry 7myq, assembly 1, side view.
tRNA (guanine-N(1)-)-methyltransferase in PDB entry 7myq, assembly 1, top view.
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