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However, several regions of the mRNA are usually not translated into protein, including the 5' and 3' UTRs. Although they are called untranslated regions, and do not form the protein-coding region of the gene, uORFs located within the 5' UTR can be translated into peptides. [1] The 5' UTR is upstream from the coding sequence. Within the 5' UTR ...
UTRdb and UTRsite; Content; Description: sequences and regulatory motifs of the untranslated regions of eukaryotic mRNAs: Organisms: Eukaryotes: Contact; Laboratory
The 3′-untranslated region plays a crucial role in gene expression by influencing the localization, stability, export, and translation efficiency of an mRNA. It contains various sequences that are involved in gene expression, including microRNA response elements (MREs), AU-rich elements (AREs), and the poly(A) tail.
The 5′ untranslated region (also known as 5′ UTR, leader sequence, transcript leader, or leader RNA) is the region of a messenger RNA (mRNA) that is directly upstream from the initiation codon. This region is important for the regulation of translation of a transcript by differing mechanisms in viruses , prokaryotes and eukaryotes .
An NRSE regulatory region is present in the 3’ untranslated region of the ANP gene and acts as a mediator for its appropriate expression. The protein encoded by the ANP gene is important during embryonic development for the maturation and development of cardiac myocytes. However, during early childhood and throughout adulthood, ANP expression ...
The capsid-coding hairpin region (cHP) actually lies in the ORF of the viral genome and is followed by the 5'CS (conserved sequence), which forms another long-range RNA-RNA interaction with the 3' UTR (3'CS). [5] The cHP aids in the start codon recognition and viral replication.
The 3' UTR of flavivirus - and sometimes even a small part of the 3' end of the coding region - is also called subgenomic flavivirus RNA (sfRNA). [5] It has been shown that sfRNA is implied in many different pathways that comprises both, host defenses and viral infection.
The strict regulation of translation in both space and time is in part governed by cis-regulatory elements located in 5′ mRNA transcript leaders (TLs) and 3′ untranslated regions (UTRs). Due to their role in translation initiation, mRNA 5′ transcript leaders (TLs) strongly influence protein expression.