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纳升电喷雾串联质谱(Q-TOF)测序中Na^+加合肽的分析 被引量:1

Sequence Analysis of Peptides with Sodium Adduct While Sequencing by Nano ESI-MS - MS
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摘要   电喷雾串联质谱测序法是蛋白质组研究中蛋白质鉴定的最有力的手段之一.肽段离子在ESI-Q-TOF中往往以多电荷形式出现(2~4个电荷),其中m/z在500~1000之间带双电荷的离子最适合测序.…… Sequence analysis of peptides with sodium adduct is very important for protein identification. Five peptides with sodium adduct were sequenced by nano-ESI-MS - MS and the sequences were analyzed. S, P and Y are the amino acids which add sodium ion.
出处 《分析测试学报》 CAS CSCD 北大核心 2004年第z1期64-65,共2页 Journal of Instrumental Analysis
关键词 Nano-ESI-MS-MS Sodium adduct peptide Sequence analysis Nano-ESI-MS-MS Sodium adduct peptide Sequence analysis
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