Native ambient mass spectrometry of intact protein assemblies directly from Escherichia coli colonies.

Native ambient mass spectrometry of intact protein assemblies directly from Escherichia coli colonies.
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DOI:
10.1039/d2cc02085h
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发表时间:
2022-06-14
影响因子:
4.9
通讯作者:
Cooper, Helen J.
Cooper, Helen J.
中科院分区:
化学2区
文献类型:
--
作者:
Du, Yuying;May, Robin C.;Cooper, Helen J.

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Here, we demonstrate that by combining electroporation with native ambient mass spectrometry, it is possible to detect intact non-covalent protein complexes directly from bacterial colonies growing on agar. Homodimers HdeA and HdeB were identified, together with the 50 kDa Mn-bound superoxide dismutase homodimer, in addition to some previously undetected monomeric proteins. Electroporation combined with native liquid extraction surface analysis mass spectrometry allows analysis of intact protein assemblies directly from bacterial colonies.
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