p12 is a small subunit γ of the transcription factor IIA and has been shown to be required for both basal and activated transcription. Recombinant p12, along with two other subunits (α and β) can potentiate transcriptional activation, whereas p12 along with a β subunit is able to function in an anti-repression.
Physical form
Clear and colorless frozen liquid solution
Preparation Note
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. While working, please keep sample on ice.
Proceedings of the National Academy of Sciences of the United States of America, 92(8), 3313-3317 (1995-04-11)
The human general transcription factor TFIIA is one of several factors involved in specific transcription by RNA polymerase II, possibly by regulating the activity of the TATA-binding subunit (TBP) of TFIID. TFIIA purified from HeLa extracts consists of 35-, 19-
TFIIA is thought to play an important role in transcriptional regulation in higher eukaryotes, but its precise function is unclear. A human cDNA encoding a protein with 45% identity to the small subunit of yeast TFIIA has been isolated. TFIIA
Human TFIIA activity is composed of three subunits (alpha, beta, gamma). Here we report the isolation of a human cDNA clone encoding the gamma-subunit and the reconstitution of TFIIA activity from recombinant polypeptides (holo-TFIIA). Protein-protein interaction analysis established that the
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