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outlined text to aboid rendering problems **FOR TEXT EDIT USE EARLIER UPLOADED VERSION** 08:47, 29 June 2009: 651 × 459 (113 KB) LadyofHats: reflected image to be readen from left to right and then fixed the tRNA so it doesnt seem to have in between pieces: 19:41, 29 September 2008: 646 × 459 (135 KB) LadyofHats
Printable version; Page information; ... diagram showing how proteins are produced with tRNA mRNA and ribossomes ... Description=diagram showing how proteins are ...
English: An animation made using VMD of the 70S ribosome, the P site tRNA (orange), E site tRNA (green), mRNA (yellow), and elongation factor G (red) in the POST state, at the end of tRNA translocation.
The amino acid is joined by its carboxyl group to the 3' OH of the tRNA by an ester bond. When the tRNA has an amino acid linked to it, the tRNA is termed "charged". In bacteria, this aminoacyl-tRNA is carried to the ribosome by EF-Tu, where mRNA codons are matched through complementary base pairing to specific tRNA anticodons. Aminoacyl-tRNA ...
For example, if the amino acid that attach to the end is phenylalanine, the reaction will be catalyzed by phenylalanine-tRNA synthase to produce tRNA phe. [4] The other end—the bottom often called the "DNA arm"—consists of a three base sequence that pairs with a complementary base sequence in a mRNA. [5]
Initiation of translation usually involves the interaction of certain key proteins, the initiation factors, with a special tag bound to the 5'-end of an mRNA molecule, the 5' cap, as well as with the 5' UTR. These proteins bind the small (40S) ribosomal subunit and hold the mRNA in place. [1]
A tRNA is commonly named by its intended amino acid (e.g. tRNA-Asn), by its anticodon sequence (e.g. tRNA(GUU)), or by both (e.g. tRNA-Asn(GUU) or tRNA Asn GUU ). [ 19 ] These two features describe the main function of the tRNA, but do not actually cover the whole diversity of tRNA variation; as a result, numerical suffixes are added to ...
Type 0 and III motifs are weaker and non-specific because they are mediated by interactions with a single 2’-OH (see figure: A-minor Interactions - type 0 and type III interactions). The A-minor motif is among the most common RNA structural motifs in the ribosome, where it contributes to the binding of tRNA to the 23S subunit. [ 43 ]