Article
Disorder and twin refinement of RNA heptamer double helices.
Acta crystallographica. Section D, Biological crystallography - 1 Aug 1999
Mueller U, Muller Y A, Herbst-Irmer R, Sprinzl M, Heinemann U
Abstract excerpt
An RNA helix with seven base pairs which was derived from the acceptor stem of Escherichia coli tRNA(Ala), rGGGGCUA.rUAGCUCC (ALA(wt)), as well as a variant, rGGGGCUA.rUAGCCCC (ALA(C70)), in which the single G.U wobble base pair of ALA(wt) was replaced by G.C, crystallize in space group C2. Both non-isomorphic crystal forms display a complex packing pattern, which can be described alternatively as disorder or...
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