Transcriptional repression is a general mechanism for regulating transcriptional initiation in organisms ranging from yeast to humans. Accurate initiation of transcription from eukaryotic protein-encoding genes requires the assembly of a large multiprotein complex consisting of RNA polymerase II and general transcription factors such as TFIIA, TFIIB, and TFIID. DR1 is a repressor that interacts with the TATA-binding protein (TBP) of TFIID and prevents the formation of an active transcription complex by precluding the entry of TFIIA and/or TFIIB into the preinitiation complex. The protein encoded by this gene is a corepressor of transcription that interacts with DR1 to enhance DR1-mediated repression. The interaction between this corepressor and DR1 is required for corepressor function and appears to stabilize the TBP-DR1-DNA complex.
Background References
1. Creton S. et. al. The NC2 alpha and beta subunits play different roles in vivo. Genes Dev. 2002 Dec
Western blot analysis of NC2 alpha on different lysates with Rabbit anti-NC2 alpha antibody (HA500224) at 1/5,000 dilution.
Lane 1: SW1990 cell lysate Lane 2: HepG2 cell lysate Lane 3: Mouse testis tissue lysate Lane 4: Rat testis tissue lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 22 kDa Observed band size: 27 kDa
Exposure time: 18 seconds; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA500224) at 1/5,000 dilution was used in primary antibody dilution (K1803) at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
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