Structural Formula:
Labeling Procedure1. Dialyze the protein solution in conjugation buffer (10-20 mM MOPS, 0.2 M NaCl, 2 mM EDTA, 5% glycerol, pH 8.0) at 4ºC overnight.2. After dialysis, adjust the protein concentration to 15-30 mM.3. Add 15 μl of 20 mM FeBABE DMSO solution to 1 ml of the protein solution and incubate it at 37ºC for 1 hour. The final concentration of FeBABE is 0.3 mM (10-20X excess to the protein).4. Dialyze the reaction mixture in protein storage buffer (10-20 mM Tris, 0.1-0.2 M KCl, 10 mM MgCl2, 0.1 mM EDTA, 50% glycerol, pH 7.6) at 4ºC overnight.
Erin L. Benanti1 and Peter T. Chivers, Helicobacter pylori NikR Protein Exhibits Distinct Conformations When Bound to Different Promoters, THE JOURNAL OF BIOLOGICAL CHEMISTRY, 2011, 286, 15728.
Chih-Chien Wu, Yu-Chun Lin, and Hung-Ta Chen, The TFIIF-Like Rpc37/53 Dimer Lies at the Center of a Protein Network To Connect TFIIIC, Bdp1, and the RNA Polymerase III Active Center, MOLECULAR AND CELLULAR BIOLOGY, 2011, 31, 2715.
1. L. H. DeRiemer, C. F. Meares, D. A. Goodwin and C. I. Diamanti, BLEDTA II: Synthesis of a New Tumer-Visualizing Derivative of Co(III)-bleomycin, J. Labelled Compd. Radiopharm., 1981, 18, 1517.2. T. M. Rana and C. F. Meares, Specific Cleavage of a Protein by an Attached Iron Chelate, J. Am. Chem. Soc., 1990, 112, 2457.3. T. M. Rana and C. F. Meares, Transfer of Oxigen from an artificial protease to peptide carbon during proteolysis, Proc. Natl. Acad. Sci. USA, 1991, 88, 10578.4. D. P. Greiner, R. Miyake, J. K. Moran, A. D. Jones, T. Negishi, A. Ishihama, and C. F. Meares, Synthesis of the Protein Cutting Reagent Iron (S)-1-(p- Bromoacetamidobenzyl) ethylebediaminetetraacetate and Conjuation to cysteine Sie Cahins, Bioconjugate Chem., 1997, 8, 44.5. E. Platis, M. R. Ermacora and R. O. Fox, Oxidative Polypeptide Cleavage Mediated by EDTA-Fe Covalently Linked to Cysteine Residue, Biochemistry, 1993, 32, 12761.6. S. L. Traviglia, S. A. Datwyler, D. Yan, A. Ishihama and C. F. Meares, Targeted Protein Footprinting: Where Different Transcription Factors bind to RNA Polymerase, Biochemistry, 1999, 38, 4259.7. J. B. Ghaim, D. P. Greiner, C. F. Meares and R. B. Gennis, Proximity Mapping the suface of Membrane Protein Using an Artificial Protease: Demonstration That the Quinone-Binding Domain of Subunit I Is near the N-Terminal Region of Subunit II of Cytochrome bd, Biochemistry, 1995, 34, 11311.8. R. Miyake, K. Murakami, J. T. Owens, D. P. Greiner, O. N. Ozoline, A. Ishihama and C. F. Meares, Dimeric Association of Escherichia coli RNA Polymerase alfa subunits, studied by Cleavage of Single-Cysteine alfa Sununits Conjugated to Iron-(S)-1-(p-(Bromoacetamido)benzyl) ethylenediaminetetraacetate, Biochemistry, 1998, 37, 1344.9. J. T. Owens, R. Miyake, K. Murakami, A. J. Chmura, N. Fujita, A. Ishihama and C. F. Meares, Mapping the sigma70 subunits contact sites on Escherichia coli RNA polymerase with a sigma70-conjugated chemical protease, Proc. Natl. Acad. Sci. USA, 1998, 95, 6021.10. J. A. Bown, J. T. Owens, C. F. Meares, N. Fujita, A. Ishihama, S. J. Busby and S. D. Minchin, Organization of open complexes at Escherichia coli promoters. Location of promoter DNA sites close to region 2.5 of the sigma70 subunit of RNA polymerase, J. Biol. Chem., 1999, 274, 2263.11. F. Colland, N. Fujita, D. Kotlarz, J. A. Bown, C. F. Meares, A. Ishihama and A. Kolb, Positioning of sigma(S), the stationary phase sigma factor, in Escherichia coli RNA polymerase-promoter open complexes, EMBO J., 1999, 18, 4049.12. G. M. Heilek, R. Marusak, C. F. Meares and H. F. Noller, Directed hydroxyl radical probing of 16S rRNA using Fe(II) tethered to ribosomal protein S4, Proc. Natl. Acad. Sci. USA, 1995, 92, 1113.13. G. M. Heilek and H. F. Noller, Site-directed hydroxyl radical probing of the rRNA neighborhood of ribosomal protein S5, Science, 1996, 272, 1659.14. K. R. Lieberman and H. F. Noller, Ribosomal protein L15 as a probe of 50 S ribosomal subunit structure., J. Mol. Biol., 1998, 284, 1367.
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