p-Diazobenzoyl biocytin--a new biotinylating reagent for the labeling of tyrosines and histidines in proteins |
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| Authors: | M Wilchek H Ben-Hur E A Bayer |
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| Affiliation: | 1. Research Center for Translational Medicine at East Hospital, College of Life Sciences and Technology, Tongji University, Shanghai, China;2. Proteomic and Molecular Enzymology Lab, College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, China;1. Center for Comparative Genomics and Bioinformatics, Pennsylvania State University, University Park, PA 16802, USA;2. Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA 16802, USA;3. Department of Hematology, St Jude Children''s Research Hospital, Memphis TN 38105, USA |
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| Abstract: | A new biotin-containing reagent, p-diazobenzoyl biocytin (DBB), has been developed for labeling tyrosines and histidines in proteins. The reagent has used to label these residues in both model proteins and erythrocyte membrane proteins on dot blots and blot transfers. In some cases, sub-nanogram levels of individual proteins could be detected. The utility of DBB as a versatile alternative to biotin-containing N-hydroxysuccinimide esters for the general labeling of proteins is discussed. |
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