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MED1 | Mediator of RNA polymerase II transcription subunit 1; Component of the Mediator complex, a coactivator involved in the regulated transcription of nearly all RNA polymerase II-dependent genes. Mediator functions as a bridge to convey information from gene- specific regulatory proteins to the basal RNA polymerase II transcription machinery. Mediator is recruited to promoters by direct interactions with regulatory proteins and serves as a scaffold for the assembly of a functional preinitiation complex with RNA polymerase II and the general transcription factors. Acts as a coactivator for [...] (1581 aa) | ||||
TRIB1 | Tribbles homolog 1; Adapter protein involved in protein degradation by interacting with COP1 ubiquitin ligase. The COP1- binding motif is masked by autoinhibitory interactions with the protein kinase domain. Serves to alter COP1 substrate specificity by directing the activity of COP1 toward CEBPA. Binds selectively the recognition sequence of CEBPA. Regulates myeloid cell differentiation by altering the expression of CEBPA in a COP1-dependent manner (By similarity). Controls macrophage, eosinophil and neutrophil differentiation via the COP1-binding domain (By similarity). Interacts wit [...] (372 aa) |