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TitleStructures of the bacterial ribosome at 3.5 A resolution.
Journal, issue, pagesScience, Vol. 310, Issue 5749, Page 827-834, Year 2005
Publish dateNov 4, 2005
AuthorsBarbara S Schuwirth / Maria A Borovinskaya / Cathy W Hau / Wen Zhang / Antón Vila-Sanjurjo / James M Holton / Jamie H Doudna Cate /
PubMed AbstractWe describe two structures of the intact bacterial ribosome from Escherichia coli determined to a resolution of 3.5 angstroms by x-ray crystallography. These structures provide a detailed view of the ...We describe two structures of the intact bacterial ribosome from Escherichia coli determined to a resolution of 3.5 angstroms by x-ray crystallography. These structures provide a detailed view of the interface between the small and large ribosomal subunits and the conformation of the peptidyl transferase center in the context of the intact ribosome. Differences between the two ribosomes reveal a high degree of flexibility between the head and the rest of the small subunit. Swiveling of the head of the small subunit observed in the present structures, coupled to the ratchet-like motion of the two subunits observed previously, suggests a mechanism for the final movements of messenger RNA (mRNA) and transfer RNAs (tRNAs) during translocation.
External linksScience / PubMed:16272117
MethodsX-ray diffraction
Resolution3.46 Å
Structure data

PDB-4v4q:
Crystal structure of the bacterial ribosome from Escherichia coli at 3.5 A resolution.
Method: X-RAY DIFFRACTION / Resolution: 3.46 Å

Chemicals

ChemComp-MG:
Unknown entry

ChemComp-HOH:
WATER / Water

Source
  • escherichia coli (E. coli)
KeywordsRIBOSOME / RNA-protein complex / 30S RIBOSOMAL SUBUNIT

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