The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Application notesIHC-P: 1/100 - 1/500. Antigen retrieval with citrate buffer may improve staining.
Note: likely to work with frozen sections.
Not yet tested in other applications.
Optimal dilutions/concentrations should be determined by the end user.
FunctionGeneral coactivator that functions cooperatively with TAFs and mediates functional interactions between upstream activators and the general transcriptional machinery. May be involved in stabilizing the multiprotein transcription complex. Binds single-stranded DNA. Also binds, in vitro, non-specifically to double-stranded DNA (ds DNA).
Sequence similaritiesBelongs to the transcriptional coactivator PC4 family.
Post-translational modificationsActivity is controlled by protein kinases that target the regulatory region. Phosphorylation inactivates both ds DNA-binding and cofactor function, but does not affect binding to ssDNA. Seems to be phosphorylated in vivo by CK2 in at least 7 sites in the N-terminal Ser-rich region.