Proteomics

Dataset Information

0

Proteome-wide cross-linking mass spectrometry of human K562 cells


ABSTRACT: Proteome-wide cross-linking mass spectrometry was performed on human K562 cell lysates. MS2-MS3 fragmentation strategy was used to aquire the XL-MS data. The raw files in this dataset are a subset of PXD013928.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Erythrocyte

SUBMITTER: Kumar Yugandhar  

LAB HEAD: Haiyuan Yu

PROVIDER: PXD018771 | Pride | 2020-07-01

REPOSITORIES: Pride

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Publications

Structure-based validation can drastically underestimate error rate in proteome-wide cross-linking mass spectrometry studies.

Yugandhar Kumar K   Wang Ting-Yi TY   Wierbowski Shayne D SD   Shayhidin Elnur Elyar EE   Yu Haiyuan H  

Nature methods 20200929 10


Thorough quality assessment of novel interactions identified by proteome-wide cross-linking mass spectrometry (XL-MS) studies is critical. Almost all current XL-MS studies have validated cross-links against known three-dimensional structures of representative protein complexes. Here, we provide theoretical and experimental evidence demonstrating that this approach can drastically underestimate error rates for proteome-wide XL-MS datasets, and propose a comprehensive set of four data-quality metr  ...[more]

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