Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2008-2-19
pubmed:abstractText
In higher eukaryotes, the exon junction complex is loaded onto spliced mRNAs at a precise position upstream of exon junctions, where it remains during nuclear export and cytoplasmic localisation until it is removed during the first translation round. The exon junction core complex consists of four proteins that form a dynamic binding platform for a variety of peripheral factors involved in mRNA metabolism. In the complex, mRNA binding is mediated by the DEAD-box protein eIF4AIII, and inhibition of its ATPase activity forms the mechanistic basis for the long-term stability of the complex. Recent crystal structures of the exon junction complex and eIF4AIII have provided the structural framework for investigating the function of the eIF4AIII ATPase and for localisation of surface patches involved in binding peripheral factors. Additionally, by comparison with the structure of a second DEAD-box protein also bound to RNA and ATP, general principles for the ATPase and unwinding/mRNP remodelling activities for this important group of enzymes can be proposed on the basis of atomic structures.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0959-440X
pubmed:author
pubmed:issnType
Print
pubmed:volume
18
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
112-9
pubmed:meshHeading
pubmed:year
2008
pubmed:articleTitle
Structural insights into the exon junction complex.
pubmed:affiliation
Equipe Labélisée La Ligue, Centre de Génétique Moléculaire, associé aux Universités Paris 6 et Paris 11, CNRS UPR2167, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France.
pubmed:publicationType
Journal Article, Review, Research Support, Non-U.S. Gov't