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  • Title: RNA crystallization.
    Author: Golden BL, Kundrot CE.
    Journal: J Struct Biol; 2003 Apr; 142(1):98-107. PubMed ID: 12718923.
    Abstract:
    RNA molecules may be crystallized using variations of the methods developed for protein crystallography. As the technology has become available to synthesize and purify RNA molecules in the quantities and with the quality that is required for crystallography, the field of RNA structure has exploded. The first consideration when crystallizing an RNA is the sequence, which may be varied in a rational way to enhance crystallizability or prevent formation of alternate structures. Once a sequence has been designed, the RNA may be synthesized chemically by solid-state synthesis or it may be produced enzymatically using RNA polymerase and an appropriate DNA template. Purification of milligram quantities of RNA can be accomplished by HPLC or gel electrophoresis. As with proteins, crystallization of RNA is usually accomplished by vapor diffusion techniques. There are several considerations that are either unique to RNA crystallization or more important for RNA crystallization. Techniques for design, synthesis, purification, and crystallization of RNAs will be reviewed here.
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