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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]
Eukaryotic mRNA precursors must be processed in the nucleus (e.g., capping, polyadenylation, splicing) in ribosomes before they are exported to the cytoplasm for translation. Translation can also be affected by ribosomal pausing, which can trigger endonucleolytic attack of the tRNA, a process termed mRNA no-go decay. Ribosomal pausing also aids ...
[2] [3] The mRNA sequence is determined by the sequence of genomic DNA. [4] In this context, the standard genetic code is referred to as 'translation table 1' among other tables. [3] It can also be represented in a DNA codon table. The DNA codons in such tables occur on the sense DNA strand and are arranged in a 5 ′-to-3 ′ direction.
Overview of eukaryotic messenger RNA (mRNA) translation Translation of mRNA and ribosomal protein synthesis Initiation and elongation stages of translation involving RNA nucleobases, the ribosome, transfer RNA, and amino acids The three phases of translation: (1) in initiation, the small ribosomal subunit binds to the RNA strand and the initiator tRNA–amino acid complex binds to the start ...
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
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 ...
Crystal structures of tRNA revealed the presence of two extended helices that result from coaxial stacking of the amino-acid acceptor stem with the T-arm, and stacking of the D- and anticodon-arms. These interactions within tRNA orient the anticodon stem perpendicularly to the amino-acid stem, leading to the functional L-shaped tertiary ...
mRNA trans-splicing: Nematodes [5] Small Cajal body-specific RNA: scaRNA: Type of snoRNA; Nucleotide modification of RNAs: Guide RNA: gRNA: mRNA nucleotide modification: Kinetoplastid mitochondria [6] Ribonuclease P: RNase P: tRNA maturation: All organisms [7] Ribonuclease MRP: RNase MRP: rRNA maturation, DNA replication: Eukaryotes [8] Y RNA ...