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13629 Ensembl ENSG00000167658 ENSMUSG00000034994 UniProt P13639 P58252 RefSeq (mRNA) NM_001961 NM_007907 RefSeq (protein) NP_001952 NP_031933 Location (UCSC) Chr 19: 3.98 – 3.99 Mb Chr 10: 81.01 – 81.02 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Eukaryotic elongation factor 2 is a protein that in humans is encoded by the EEF2 gene. It is the archaeal and eukaryotic ...
The steps in this microcycle are (1) positioning the correct aminoacyl-tRNA in the A site of the ribosome, which is brought into that site by eEF1, (2) forming the peptide bond, and (3) shifting the mRNA by one codon relative to the ribosome with the help of eEF2. Unlike bacteria, in which translation initiation occurs as soon as the 5' end of ...
Elongation is the most rapid step in translation. [3] In bacteria, it proceeds at a rate of 15 to 20 amino acids added per second (about 45-60 nucleotides per second). [citation needed] In eukaryotes the rate is about two amino acids per second (about 6 nucleotides read per second).
Without this GEF, GDP cannot be exchanged for GTP, and translation is repressed. One example of this is the eIF2α-induced translation repression that occurs in reticulocytes when starved for iron. In the case of viral infection, protein kinase R (PKR) phosphorylates eIF2α when dsRNA is detected in many multicellular organisms, leading to cell ...
In biology, translation is the process in living cells in which proteins are produced using RNA molecules as templates. The generated protein is a sequence of amino acids . This sequence is determined by the sequence of nucleotides in the RNA.
eIF2 is a heterotrimer of a total molar mass of 126 kDa that is composed of the three sub-units: α (sub-unit 1), β (sub-unit 2), and γ (sub-unit 3). The sequences of all three sub-units are highly conserved (pairwise amino acid identities for each sub-unit range from 47 to 72% when comparing the proteins of Homo sapiens and Saccharomyces cerevisiae).
A study led by Mayo Clinic found a “widening gap between lifespan and healthspan" among 183 countries. The lead researcher and another doctor discuss the drivers of poor health late in life.
A clear example of an enzyme that follows this scheme is H+-transporting two-sector ATPase: ATP + H 2 O + 4 H + side 1 = ADP + phosphate + 4 H + side 2 A) ATP-ADP translocase: protein responsible for the 1: 1 exchange of intramitochondrial ATP for ADP produced in the cytoplasm. B) Phosphate translocase: the transport of H2PO4- together with a ...