Analysis of the functional role of a G.A sheared base pair by in vitro genetics.

Abstract

A classical genetic strategy has been combined with an in vitro selection method to search for functional interactions between the two domains of the hairpin ribozyme. G(21) is located within internal loop B; it is proposed to form a sheared base pair with A(43) across loop B and to bind a Mg(2+) ion. Both nucleotides are important for ribozyme function… (More)

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