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Expression and Purification of Active WW Domains of FBP11/HYPA and FBP28/CA150

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Production of GST-fused WW domains of FBP proteins was increased using the bubbling cultivation method for E. coli. Purified WW domains of FBP11 and FBP28 bound A PL motif peptide with dissociation constants (KD) of 248 ± 27 and 1880 ± 280 μM, respectively.

Keywords: WW domain; air pump; reverse phase chromatography; surface plasmon resonance

Document Type: Research Article


Affiliations: Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.

Publication date: February 1, 2006

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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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