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Trends Endocrinol Metab. 2001 Apr;12(3):127-34.

The TRAP/SMCC/Mediator complex and thyroid hormone receptor function.

Author information

1
Laboratory of Biochemistry and Molecular Biology, The Rockefeller University, 1230 York Avenue, New York, NY 10021-6399, USA.

Abstract

The TRAP/SMCC/Mediator complex is a mammalian transcriptional regulatory complex that contains over 25 polypeptides and is, in part, phylogenetically conserved. It was originally isolated as a thyroid hormone receptor (TR)-associated protein (TRAP) complex that mediates TR-activated transcription from DNA templates in conjunction with the general transcription machinery, and probably acts in vivo after the action of other receptor-interacting coactivators involved in chromatin remodeling. Subsequently, the TRAP complex was identified as a more broadly used coactivator complex for a wide variety of activators. The TRAP220 subunit mediates ligand-dependent interactions of the complex with TR and other nuclear receptors; and genetic ablation of murine TRAP220 has revealed that it is essential both for optimal TR function and for a variety of early developmental and adult homeostasis events in mice, but not for cell viability per se.

PMID:
11306338
DOI:
10.1016/s1043-2760(00)00355-6
[Indexed for MEDLINE]

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