PreprintCited by 960Bioinformatics and Genomic NetworksAdvanced Proteomics Techniques and ApplicationsBiotin and Related Studies

Dual proteome-scale networks reveal cell-specific remodeling of the human interactome

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Huttlin, Edward L., Bruckner, Raphael J., Navarrete-Perea, Jose, Cannon, Joe R., Baltier, Kurt, Gebreab, Fana, Gygi, Melanie P., Thornock, Alexandra +18 more·2020·Cell

Abstract

SUMMARY: Thousands of interactions assemble proteins into modules that impart spatial and functional organization to the cellular proteome. Through affinity-purification mass spectrometry, we have created two proteome-scale, cell-line-specific interaction networks. The first, BioPlex 3.0, results from affinity purification of 10,128 human proteins – half the proteome – in 293T cells and includes 118,162 interactions among 14,586 proteins; the second results from 5,522 immunoprecipitations in HCT116 cells. These networks model the interactome at unprecedented scale, encoding protein function, localization, and complex membership. Their comparison validates thousands of interactions and reveals extensive customization of each network. While shared interactions reside in core complexes and involve essential proteins, cell-specific interactions bridge conserved complexes, likely ‘rewiring’ each cell’s interactome. Interactions are gained and lost in tandem among proteins of shared function as the proteome remodels to produce each cell’s phenotype. Viewable interactively online through BioPlexExplorer, these networks define principles of proteome organization and enable unknown protein characterization.

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Crossref · 10.1101/2020.01.19.905109

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  • Experimental approaches to discover protein-protein interactions at scale are laborious, yield many false positive and false negative interactions, and have not generated a comprehensive structural interactome.

    “While these methods have uncovered many PPIs, they are laborious, yield many false positive and false negative interactions, and thus far have not generated a comprehensive structural interactome.”

    From Predictomes, a classifier-curated database of AlphaFold-modeled protein-protein interactions (2025) · cites this paper as [5]

    The Introduction says extensive AP-MS sample preparation limits scalability and that a complete human interactome map remains elusive. The Results discuss missed real interactions and the risk of spurious ones, but say stringent filtering keeps the reported false-discovery rate low. The paper therefore does not support the unqualified claim that these approaches yield many false-positive interactions; it also discusses an incomplete interactome map rather than specifically a comprehensive structural interactome. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • The introduction of data from Bioplex, STRING and Reactome has allowed display of rich PPI data and allows users to examine how multiple targets may interact.

    “The introduction of data from Bioplex (39), STRING and Reactome (40) has allowed us to display rich PPI data, and allows users to examine how multiple targets may interact”

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Research works printed but not linked: 1

  1. Qin Y, Winsnes CF, Huttlin EL, Zheng F, Ouyang W, Park J, Pitea A, Kreisberg JF, Gygi SP, Harper JW, (2020). Mapping cell structure across scales by fusing protein images and interactions. Biorxiv 2020.06.21.163709.

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Authors
Huttlin, E. L., Bruckner, R. J., Navarrete-Perea, J., Cannon, J. R., Baltier, K., Gebreab, F., Gygi, M. P., Thornock, A., Zarraga, G., Tam, S., Szpyt, J., Panov, A., Parzen, H., Fu, S., Golbazi, A., Maenpaa, E., Stricker, K., Thakurta, S. G., Rad, R., Pan, J., Nusinow, D. P., Paulo, J. A., Schweppe, D. K., Vaites, L. P., Harper, J. W., & Gygi, S. P.
Affiliations
  • Harvard University (US)
  • Broad Institute (US)
Corresponding author
  • Huttlin, Edward L.
  • Harper, J. Wade
  • Gygi, Steven P.
Venue
Cell
Publisher
openRxiv
Published
2020-01-19
Volume
184
Issue
11
Pages
3022-3040.e28
ISSN
0092-8674 (ISSN-L)
OpenAlex
W3157357317
Cited by
960
References
115
Citations by year
2026: 135 · 2025: 195 · 2024: 213 · 2023: 187 · 2022: 139 · 2021: 68 · 2020: 20 · 2018: 1 · 2013: 1
FWCI
48.56
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Biogen
  • National Institutes of Health (HG006673)
  • National Human Genome Research Institute (U41HG006673, U24HG006673)
  • National Institute of General Medical Sciences (T32GM080189)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Biotin and Related Studies
Keywords
human interactome, protein-protein interaction, HEK293T cells, HCT116 cells, protein complexes, cell line comparison
MeSH terms
Humans, Mass Spectrometry, Computational Biology, Proteome, Protein Interaction Mapping, Proteomics, HCT116 Cells, HEK293 Cells, Protein Interaction Maps

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