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Mass spectral and theoretical investigations of N–Cα bond cleavages in the disulfide-containing peptide TTCPYCKK and its analogues
Rapid Communications in Mass Spectrometry ( IF 1.8 ) Pub Date : 2022-04-12 , DOI: 10.1002/rcm.9315
Jinhu Wang 1 , Hongwu Tian 2 , Tiejian Li 2 , Ying Sun 2 , Zongyi Zhou 2 , Tiesheng Shi 1
Affiliation  

For disulfide-containing peptides, mass spectrometric analyses are rarely comparably studied between their dithiol and disulfide forms. Persulfide ions afforded from peptides with a disulfide ring are from either an unusual N–Cα bond cleavage or a canonical peptide bond cleavage; their isomeric structures are, however, not identified just from peaks of mass spectra.

中文翻译:

含二硫键肽 TTCPYCKK 及其类似物 N-Cα 键断裂的质谱和理论研究

对于含二硫键的肽,质谱分析很少在其二硫醇和二硫键形式之间进行比较研究。由具有二硫环的肽提供的过硫离子来自不寻常的 N-C α键断裂或典型的肽键断裂;然而,它们的异构结构并不能仅从质谱峰中识别出来。
更新日期:2022-04-12
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