Purification and Properties of an Elongation Factor Functionally Analogous to Bacterial Elongation Factor Ts from Embryos of Artemia salina
نویسندگان
چکیده
منابع مشابه
Interaction of mitochondrial elongation factor Tu with aminoacyl-tRNA and elongation factor Ts.
Elongation factor (EF) Tu promotes the binding of aminoacyl-tRNA (aa-tRNA) to the acceptor site of the ribosome. This process requires the formation of a ternary complex (EF-Tu.GTP.aa-tRNA). EF-Tu is released from the ribosome as an EF-Tu.GDP complex. Exchange of GDP for GTP is carried out through the formation of a complex with EF-Ts (EF-Tu.Ts). Mammalian mitochondrial EF-Tu (EF-Tu(mt)) differ...
متن کاملRole of domains in Escherichia coli and mammalian mitochondrial elongation factor Ts in the interaction with elongation factor Tu.
Bovine mitochondrial elongation factor Ts (EF-Tsmt) stimulates the activity of Escherichia coli elongation factor Tu (EF-Tu). In contrast, E. coli EF-Ts is unable to stimulate mitochondrial EF-Tu. EF-Tsmt forms a tight complex with E. coli EF-Tu governed by an association constant of 8.6 x 10(10). This value is 100-fold stronger than the binding constant for the formation of the E. coli EF-Tu.T...
متن کاملThe identification of a domain in Escherichia coli elongation factor Tu that interacts with elongation factor Ts.
A method has been developed to search for the elongation factor Tu (EF-Tu) domain(s) that interact with elongation factor Ts (EF-Ts). This method is based on the suppression of Escherichia coli EF-Tu-dominant negative mutation K136E, a mutation that exerts its effect by sequestering EF-Ts. We have identified nine single-amino acid- substituted suppression mutations in the region 146-199 of EF-T...
متن کاملPurification and crystallization of the yeast translation elongation factor eEF3.
A Saccharomyces cerevisiae strain expressing full-length histidine-tagged translation elongation factor 3 (eEF3) as the only form of the protein facilitated purification of the factor for both structural and functional studies. Additionally, an identical full-length form has been successfully expressed in Escherichia coli and a C-terminally truncated form of histidine-tagged eEF3 has been succe...
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ژورنال
عنوان ژورنال: European Journal of Biochemistry
سال: 1978
ISSN: 0014-2956,1432-1033
DOI: 10.1111/j.1432-1033.1978.tb12142.x