Recent advances in the separation of transcription factors (TFs) are reviewed in this article. An overview of the transcription factor families and their structure is discussed and a computer analysis of their sequences reveals that while they do not differ from other proteins in molecular mass or isoelectric pH, they do differ from other proteins in the abundance of certain amino acids. The chromatographic and electrophoretic methods which have been successfully used for purification and analysis are discussed and recent advances in stationary and mobile phase composition is discussed.
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