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Structure paper

TitleThe third structural switch in the archaeal translation initiation factor 2 (aIF2) molecule and its possible role in the initiation of GTP hydrolysis and the removal of aIF2 from the ribosome.
Journal, issue, pagesActa Crystallogr D Struct Biol, Vol. 75, Page 392-399, Year 2019
Publish dateJul 27, 2018 (structure data deposition date)
AuthorsNikonov, O. / Kravchenko, O. / Nevskaya, N. / Stolboushkina, E. / Garber, M. / Nikonov, S.
External linksActa Crystallogr D Struct Biol / PubMed:30988256
MethodsX-ray diffraction
Resolution2 - 2.4 Å
Structure data

PDB-6h6k:
The structure of the FKR mutant of the archaeal translation initiation factor 2 gamma subunit in complex with GDPCP, obtained in the absence of magnesium salts in the crystallization solution.
Method: X-RAY DIFFRACTION / Resolution: 2 Å

PDB-6i5m:
Gamma subunit of the translation initiation factor 2 from Sulfolobus solfataricus in complex with GDP and formate ion
Method: X-RAY DIFFRACTION / Resolution: 2.4 Å

Chemicals

ChemComp-GCP:
PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER / GMP-PCP, energy-carrying molecule analogue*YM

ChemComp-NA:
Unknown entry

ChemComp-EDO:
1,2-ETHANEDIOL

ChemComp-HOH:
WATER

ChemComp-GDP:
GUANOSINE-5'-DIPHOSPHATE / GDP, energy-carrying molecule*YM

ChemComp-FMT:
FORMIC ACID

ChemComp-MG:
Unknown entry

Source
  • sulfolobus solfataricus (strain atcc 35092 / dsm 1617 / jcm 11322 / p2) (archaea)
  • sulfolobus solfataricus (archaea)
KeywordsTRANSLATION / translation initiation / aIF2 / aIF2gamma / aIF2gamma switches / G-protein / GTP-binding domain / translation GTPases / GTP hydrolysis / conformational changes / magnesium ions / GAMMA SUBUNIT / BIOSYNTHESIS / RNA-BINDING / GTP-BINDING / NUCLEOTIDE-BINDING / BIOSYNTHETIC PROTEIN

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