GRB2 associated binding protein 3
protein-coding gene in the species Homo sapiens

GRB2 associated binding protein 3 is a protein that in humans is encoded by the GAB3 gene.
Function
This gene is a member of the GRB2-associated binding protein gene family. These proteins are scaffolding/docking proteins that are involved in several growth factor and cytokine signaling pathways, and they contain a pleckstrin homology domain, and bind SHP2 tyrosine phosphatase and GRB2 adapter protein. The protein encoded by this gene facilitates macrophage differentiation. Alternative splicing results in multiple transcript variants.
References
Further reading
This article incorporates text from the United States National Library of Medicine, which is in the public domain.
This brief starts where responsible research should: with the source description of “GRB2 associated binding protein 3” as protein-coding gene in the species Homo sapiens. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the science & nature register because the source frames it as protein-coding gene in the species Homo sapiens. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Jun 27, 2026. The linked authority identifier is Q18050784. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “GRB2 associated binding protein 3” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.