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GTF2I | General transcription factor II-I; Interacts with the basal transcription machinery by coordinating the formation of a multiprotein complex at the C-FOS promoter, and linking specific signal responsive activator complexes. Promotes the formation of stable high-order complexes of SRF and PHOX1 and interacts cooperatively with PHOX1 to promote serum-inducible transcription of a reporter gene deriven by the C-FOS serum response element (SRE). Acts as a coregulator for USF1 by binding independently two promoter elements, a pyrimidine-rich initiator (Inr) and an upstream E-box. Required for [...] (998 aa) | ||||
PPP1R16A | Protein phosphatase 1 regulatory subunit 16A; Inhibits protein phosphatase 1 activity toward phosphorylase, myosin light chain and myosin substrates. (528 aa) |