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Download as PDF; Printable version; In other projects ... move to sidebar hide. Leader sequence may refer to: Leader sequence (mRNA), a sequence of mRNA; Leading ...
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 .
PAM and size of various CRISPR DNA nucleases . The canonical PAM is the sequence 5'-NGG-3', where "N" is any nucleobase followed by two guanine ("G") nucleobases. [9] Guide RNAs can transport Cas9 to any locus in the genome for gene editing, but no editing can occur at any site other than one at which Cas9 recognizes PAM.
[2] [10] The specifier sequence is the first recognition sequence in the leader. [7] It is complementary to the anticodon of the tRNA that is a substrate of the tRNA synthetase under regulation. [7] The second tRNA binding sequence, the T box sequence, is complementary to the nucleotide preceding the acceptor end of the tRNA. [7]
A signal peptide (sometimes referred to as signal sequence, targeting signal, localization signal, localization sequence, transit peptide, leader sequence or leader peptide) is a short peptide (usually 16-30 amino acids long) [1] present at the N-terminus (or occasionally nonclassically at the C-terminus [2] or internally) of most newly synthesized proteins that are destined toward the ...
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The rearrangements of heavy-chains are different from the light chains because DNA undergoes rearrangements of V-D-J gene segments in the heavy chains. These reorganizations of gene segments produce gene sequence from 5 prime to 3 prime ends such as a short leader exon, an intron, a joined VDJ segment, a second intron and several gene segments.
Cas9 (or "CRISPR-associated protein 9") is an enzyme that uses CRISPR sequences as a guide to recognize and open up specific strands of DNA that are complementary to the CRISPR sequence. Cas9 enzymes together with CRISPR sequences form the basis of a technology known as CRISPR-Cas9 that can be used to edit genes within living organisms.