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A database of nucleotide sequences maintained by the US National Center for Biology Information. Includes news, search functions and methods for submitting sequences.
Chime-dependent tutorial which permits image manipulation to help understand the 3-dimensional form of the structure, from John Tweedie and Massey University, New Zealand.
Sequence-specific recognition of DNA using high affinity synthetic molecules, for the regulation of gene expression, at California Institute of Technology, Pasadena.