Serine/threonine/tyrosine-interacting protein
Definition:
Catalytically inactive phosphatase. Acts as a nuclear anchor for MAPK1/MAPK3 (ERK1/ERK2). Modulates cell-fate decisions and cell migration by spatiotemporal regulation of MAPK1/MAPK3 (ERK1/ERK2). By binding to the F-box of FBXW7, prevents the assembly of FBXW7 into the SCF E3 ubiquitin-protein ligase complex, and thereby inhibits degradation of its substrates. Plays a role in spermatogenesis (By similarity).
References:
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[1]. Veronika Reiterer, et al. The pseudophosphatase STYX targets the F-box of FBXW7 and inhibits SCFFBXW7 function. EMBO J. 2017 Feb 1;36(3):260-273. [Content Brief]
[2]. Veronika Reiterer, et al. Pseudophosphatase STYX modulates cell-fate decisions and cell migration by spatiotemporal regulation of ERK1/2. Proc Natl Acad Sci U S A. 2013 Jul 30;110(31):E2934-43. [Content Brief]
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