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Structure of the Thiostrepton-Resistance Methyltransferase S-adenosyl-L-methionine Complex

X-ray diffraction
2.45Å resolution
PDB 3gyq coloured by chain and viewed from the front.
PDB 3gyq coloured by chain and viewed from the side.
PDB 3gyq coloured by chain and viewed from the top.
Source organism: Streptomyces cyaneus
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Multimeric state: homo dimer
Accessible surface area: 23200 Å2
Buried surface area: 4200 Å2
Dissociation area: 850 Å2
Dissociation energy (ΔGdiss): -12 kcal/mol
Dissociation entropy (TΔSdiss): 9 kcal/mol
Interface energy (ΔGint): -5 kcal/mol
Symmetry number: 1

Macromolecules

23S rRNA (adenosine(1067)-2'-O)-methyltransferase
Chains: A, B
Length: 272 amino acids
Theoretical weight: 29.22 KDa
Source organism: Streptomyces cyaneus
Expression system: Escherichia coli
UniProt:
  • Canonical: P18644 (Residues: 1-269; Coverage: 100%)
Gene names: tsnR, tsr
Pfam:
InterPro:
CATH:
PDB 3gyq contains 2 copies of 23S rRNA (adenosine(1067)-2'-O)-methyltransferase in assembly 1. This protein is highlighted and viewed from the front.
PDB 3gyq contains 2 copies of 23S rRNA (adenosine(1067)-2'-O)-methyltransferase in assembly 1. This protein is highlighted and viewed from the side.
PDB 3gyq contains 2 copies of 23S rRNA (adenosine(1067)-2'-O)-methyltransferase in assembly 1. This protein is highlighted and viewed from the top.
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