期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 21, 期 23, 页码 7175-7179出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2011.09.070
关键词
Dinucleoside polyphosphate; Ap(4)A; Bio-panning; Magnetic bead; Proteomics
资金
- Natural Science Foundation of China [30825045]
- Chinese Scholarship Council
- British Council
We report the development of a synthetic, biotin-conjugated diadenosine tetraphosphate (Ap(4)A)-'molecular hook' attached to magnetic beads enabling the isolation of Ap(4)A-binding proteins from bacterial cells or mammalian tissue lysates. Characterisation and identification of isolated binding proteins is performed sequentially by mass spectrometry. The observation of positive controls suggests that these newly observed proteins are putative Ap(4)A-binding partners, and we have expectations that others can be found with further technical improvements in our methods. (C) 2011 Elsevier Ltd. All rights reserved.
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