Neutron-encoded mass signatures for multiplexed proteome quantification.
Neutron-encoded mass signatures for multiplexed proteome quantification.
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DOI:
10.1038/nmeth.2378
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发表时间:
2013-04
期刊:
影响因子:
48
通讯作者:
Coon, Joshua J.
中科院分区:
文献类型:
--
作者:
Hebert, Alexander S.;Merrill, Anna E.;Bailey, Derek J.;Still, Amelia J.;Westphall, Michael S.;Strieter, Eric R.;Pagliarini, David J.;Coon, Joshua J.
We describe a protein quantification method that exploits the subtle mass differences caused by neutron-binding energy variation in stable isotopes. These mass differences are synthetically encoded into amino acids and incorporated into yeast and mouse proteins with metabolic labeling; analysis with high mass resolution (>100,000) reveals the isotopologue-embedded peptide signals permitting quantification. We conclude neutron encoding will enable high levels of multi-plexing (> 10) with high dynamic range and accuracy.
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