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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Monoclonal antibodies against the membrane-bound, flavin-linked D-lactate dehydrogenase of Escherichia coli: preparation, characterization, and use in immunoaffinity chromatography.

Three mouse hybridoma cell lines are described that produce monoclonal antibodies directed against the membrane-bound, flavin adenine dinucleotide linked D-lactate dehydrogenase of Escherichia coli. In contrast to polyclonal antibodies produced in rabbits, none of the monoclonal antibodies inhibits enzyme activity. Immunoblots of D-lactate dehydrogenase proteolytic fragments indicate that each antibody is directed against a different region of the molecule. One monoclonal antibody, 1B2a, reacts with native, undigested D-lactate dehydrogenase only and is used to purify the enzyme in a single step. The protocol involves chromatography of a Triton X-100 extract of membrane vesicles containing D-lactate dehydrogenase on a column made with the monoclonal antibody coupled to a solid support. After the column is washed free of unadsorbed protein, elution at high pH in the presence of guanidine hydrochloride yields a fraction containing highly purified, catalytically active D-lactate dehydrogenase.[1]

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