Abstract
A methodology of phosphopeptide-selective analysis coupled with column-switching HPLC utilizing titania as precolumn media is presented. Phosphopeptides were selectively enriched on titania packing within a protein/peptide mixture without any additional procedure, and analyzed by column-switching high-performance liquid chromatography. First, phospho-compounds were separated from complex mixtures by trapping them under acidic conditions on a titania packing, where non-phosphorylated compounds were effused out of the precolumn. Subsequently, phospho-compounds were desorbed from the titania column under a specific condition and analyzed. The behavior of phospho-compounds on a titania surface, especially adsorption/desorption, was precisely examined and optimized. A phosphoric buffer was successively employed for the elution of phosphopeptides on a titania surface by competition with the free phosphate group. From the successes of a selective concentration/analysis of phosphopeptides with column-switching HPLC with a titania precolumn, a novel phosphopeptide-selective RP-HPLC analysis has been shown to have an application possibility as a tool for phosphoproteomics.
Similar content being viewed by others
References
N. Kawada, D. B. Kristensen, K. Asahina, K. Nakatani, Y. Minamiyama, S. Seki, and K. Yoshizato, J. Biol. Chem., 2001, 276, 25318.
D. B. Kristensen, N. Kawada, K. Imamura, Y. Miyamoto, C. Tateno, S. Seki, T. Kuroki, and K. Yoshizato, J. Hepatol., 2000, 32, 268.
Y. Oda, T. Nagasu, and B. T. Chait, Nat. Biotech., 2001, 19, 379.
H. Zhou, J. D. Watts, and R. Aebersold, Nat. Biotech., 2001, 19, 375.
C. E. Haydon, P. A. Eyers, L. D. Aveline-Wolf, K. A. Resing, J. L. Maller, and N. G. Ahn, Mol. Cell. Proteomics, 2003, 27.
A. C. Posewitz and P. Tempst, Anal. Chem., 1999, 71, 2883.
A. Stensballe, S. Andersen, and O. N. Jensen, Proteomics, 2001, 1, 207.
A. Sickmann and H. E. Meyer, Proteomics, 2001, 1, 200.
D. A. Sanders, B. L. Gillece-Castro, A. M. Stock, A. L. Burlingame, and D. E. Koshland, Jr., J. Biol. Chem., 1989, 264, 21770.
T. M. Martensen, Methods Enzymol., 1971, 107, 1.
K. Tani and M. Ozawa, J. Liq. Chromatogr. Rel. Technol., 1999, 22, 843.
H. Matsuda, H. Nakamura, and T. Nakajima, Anal. Sci., 1990, 6, 911.
Y. Ikeguchi and H. Nakamura, Anal. Sci., 1997, 13, 479.
S. Deshimaru, Y. Miyake, T. Ohmiya, Y. Tatsu, Y. Endo, N. Yumoto, and T. Toraya, J. Biochem., 2002, 131, 705.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Kuroda, I., Shintani, Y., Motokawa, M. et al. Phosphopeptide-selective Column-switching RP-HPLC with a Titania Precolumn. ANAL. SCI. 20, 1313–1319 (2004). https://doi.org/10.2116/analsci.20.1313
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.2116/analsci.20.1313