Enables DNA binding activity. Predicted to be involved in RNA polymerase II preinitiation complex assembly; histone H3 acetylation; and regulation of transcription, DNA-templated. Located in nucleus. Part of SAGA complex. Is expressed in early conceptus; limb; oocyte; and tail. Orthologous to human TAF12 (TATA-box binding protein associated factor 12). [provided by Alliance of Genome Resources, Apr 2022]