Characterization of the iron-binding properties of pyoverdine using electron-capture dissociation-tandem mass spectrometry
Characterization of the iron-binding properties of pyoverdine using electron-capture dissociation-tandem mass spectrometry
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使用电子捕获解离串联质谱法表征吡咯丁的铁结合特性
DOI:
10.1007/s10534-015-9895-z
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发表时间:
2016
期刊:
影响因子:
3.5
通讯作者:
Volmer DA
中科院分区:
文献类型:
--
作者:
Hayen H;Volmer DA
Pyoverdines (PVD) are a group of siderophores produced by fluorescentPseudomonads. Identification of PVD variants mostly relies on liquid chromatography-tandem mass spectrometry (LC–MS/MS) using collision-induced dissociation (CID). Here, both CID and the novel dissociation technique electron-capture dissociation (ECD) were applied to characterize PVD succinamide and its Fe(III)-chelated complex. The results clearly showed that ECD produced diagnostic side chain fragmentation of the PVD peptide chain and preserved the labile Fe(III) binding to the chromophore in contrast to CID. The ECD technique is therefore expected to support the understanding of strain-specific Fe(III) transport processes of PVDs.
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