GlycoDeNovo2: An Improved MS/MS-Based De Novo Glycan Topology Reconstruction Algorithm.
GlycoDeNovo2: An Improved MS/MS-Based De Novo Glycan Topology Reconstruction Algorithm.
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DOI:
10.1021/jasms.1c00288
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发表时间:
2022-03-02
影响因子:
3.2
通讯作者:
Hong, Pengyu
中科院分区:
文献类型:
--
作者:
Chen, Zizhang;Wei, Juan;Tang, Yang;Lin, Cheng;Costello, Catherine E.;Hong, Pengyu
Glycan structure identification is essential to understanding the roles of glycans in various biological processes. Previously, we developed GlycoDeNovo, a de novo algorithm for reconstructing glycan topologies from tandem mass spectra (MS/MS). In this work, we introduce GlycoDeNovo2 that contains two major improvements to GlycoDeNovo. First, we use the precursor mass measured for a peak that likely corresponds to a glycan to determine its potential compositions, which are used to constrain the search space, enable parallel computation, and hence speed up topology reconstruction. Second, we developed a procedure to calculate the empirical p-value of a reconstructed topology candidate. Experimental results are provided to demonstrate the effectiveness of GlycoDeNovo2.
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影响因子:
7.4
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Yu CY;Mayampurath A;Zhu R;Zacharias L;Song E;Wang L;Mechref Y;Tang H
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影响因子:
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通讯作者:
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