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15 maj 2024 · What is a stem-loop (hairpin loop)? A Stem-loop can be defined as a hairpin-like pattern formed because of the intramolecular base pairing of the nucleotide sequence (especially in palindromic sequence) within the same molecule.
A hairpin loop is an unpaired loop of messenger RNA (mRNA) that is created when an mRNA strand folds and forms base pairs with another section of itself. Hairpins are a common type of...
The hairpin loop forms in an mRNA strand during transcription and causes the RNA polymerase to become dissociated from the DNA template strand. This process is known as rho-independent or intrinsic termination, and the sequences involved are called terminator sequences.
11 sie 2024 · Beta-hairpin or beta-turn This motif is present in most antiparallel beta structures, both as an isolated ribbon and as part of beta sheets. Figure \(\PageIndex{8}\) shows an interactive iCn3D model of the beta hairpin from bovine pancreatic trypsin inhibitor (1k6u)
Hairpin structure is a pattern that can occur in single-stranded DNA or, more commonly, in RNA. The structure is also known as a stem-loop structure. It occurs when two regions of the same strand, usually complementary in nucleotide sequence when read in opposite directions, base-pair to form a double helix that ends in an unpaired loop.
Hairpin DNA-functionalized gold nanoparticles (hAuNPs) for detection of mRNA in living cells. Hairpin DNA is coupled to the gold colloid surface via a 5′ hexane thiol, thereby quenching fluorescence emission of the 3′ fluorescent dye. The hairpin formation sequences maintain the hairpin conformation through complementary hydrogen bonding.
Hairpin molecules have attracted a great deal of interest for many years. On one hand, this is because of their role in cellular processes, the recognition between the codon on mRNA and the anti-codon loop of tRNA being the most outstanding example.
