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The cloverleaf model of tRNA is a model that depicts the molecular structure of tRNA. [1] The model revealed that the chain of tRNA consists of two ends—sometimes called "business ends"—and three arms.
The Colt House Revolver was manufactured from 1871 to 1876 in two different models: the Colt House Model itself and the Colt Cloverleaf Model, the latter being the most produced of both. [1] The House Model is also known among collectors as the Jim Fisk model or the Jim Fisk pistol , since it attained the infamy of being the gun used in the ...
The cloverleaf structure becomes the 3D L-shaped structure through coaxial stacking of the helices, which is a common RNA tertiary structure motif. The lengths of each arm, as well as the loop 'diameter', in a tRNA molecule vary from species to species.
(a) Cloverleaf model of tRNA Phe (picture created by VARNA [35] for ) and (b) A typical base triplet involving residues 9, 12 and 23 of the same tRNA. Various functional RNA molecules are stabilized, in their specific folded pattern, by both canonical as well as non-canonical base pairs.
Elizabeth Beach Keller (1918—1997) was an American biochemist.She is noted for her discoveries on protein formation. [1] These included her development of the cloverleaf model of transfer RNA (ribonucleic acid), which shows how transfer RNA helps in directing the genetic information within the DNA to form proteins. [2]
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A cloverleaf interchange is a two-level interchange in which all turns are handled by slip roads. To go left (in right-hand traffic; reverse directions in left-driving regions), vehicles first continue as one road passes over or under the other, then exit right onto a one-way three-fourths loop ramp (270°) and merge onto the intersecting road.