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Mediator of RNA polymerase II transcription subunit 1

UniProtKB accession:  Q925J9
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Polymer Entities matching query 4
Go to UniProtKB:  Q925J9
UniProtKB description:  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. Essential for embryogenesis, including development of the central nervous system, heart, liver and placenta and for erythropoiesis. Also required for normal transcriptional control of thyroid-stimulating hormone beta (TSHB) in the pituitary. Acts as a coactivator for GATA1-mediated transcriptional activation during erythroid differentiation of K562 erythroleukemia cells (By similarity).
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PFAM Domain
InterPro Domain


Function
GO Molecular Function
[ 11+ ]
GO Biological Process
[ 50+ ]
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Phenotype Association