2RT5, 4OAR, 2L5G, 2LTP, 1KKQ, 3R2A, 2ODD, 4A69, 3R29, 1XC5, 1R2B,%%s1KKQ, 1R2B, 1XC5, 2GPV, 2LTP, 3R29, 3R2A, 4A69, 2L5G, 2ODD, 2RT5, 4OAR
9612
20602
ENSG00000196498
ENSMUSG00000029478
Q9Y618
Q9WU42
NM_006312NM_001077261NM_001206654
NM_001253904NM_001253905NM_011424
NP_001070729NP_001193583NP_006303NP_001193583.1
NP_001240833NP_001240834NP_035554
The nuclear receptor co-repressor 2 (NCOR2) is a transcriptional coregulatory protein that contains several nuclear receptor-interacting domains. In addition, NCOR2 appears to recruit histone deacetylases to DNA promoter regions. Hence NCOR2 assists nuclear receptors in the down regulation of target gene expression.[5][6] NCOR2 is also referred to as a silencing mediator for retinoid or thyroid-hormone receptors (SMRT)[5] or T3 receptor-associating cofactor 1 (TRAC-1).[6]
NCOR2/SMRT is a transcriptional coregulatory protein that contains several modulatory functional domains including multiple autonomous repression domains as well as two or three C-terminal nuclear receptor-interacting domains.[5] NCOR2/SMRT serves as a repressive coregulatory factor (corepressor) for multiple transcription factor pathways. In this regard, NCOR2/SMRT functions as a platform protein, facilitating the recruitment of histone deacetylases to the DNA promoters bound by its interacting transcription factors.[7]
It is a member of the family of nuclear receptor corepressors; the other human protein that is a member of that family is Nuclear receptor co-repressor 1.[8]
SMRT was initially cloned and characterized in the laboratory of Dr. Ronald M. Evans at the Salk Institute for Biological Studies.[5] In another early investigation into this molecule, similar findings were reported in a variant referred to as TRAC-1.[6]
Nuclear receptor co-repressor 2 has been shown to interact with:
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