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Recombinant Expression, Purification and Characterisation of the Hmg Domain of Human Sry

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Abstract:



The HMG domain is a DNA binding and bending ‘architectural’ motif involved in chromatin re-modelling during transcription. Recombinant SRY HMG domain protein, 88 amino acids in length, has been produced in E. coli. Using FPLC and a stirred ultra-filtration cell, this domain has been purified to homogeneity and concentrated to yield milligram quantities. Functional characterisation studies of the pure, concentrated SRY HMG domain show the recombinantly expressed protein to be active in terms of DNA binding and calmodulin binding activities.





Keywords: dna binding; fplc purification; hmg; mass spectrometry; recombinant protein expression; sry hmg domain

Document Type: Review Article

DOI: https://doi.org/10.2174/0929866033479004

Publication date: 2003-06-01

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.
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