function:Enhances transcription activation by YY1.,sequence caution:Translated as Tyr.,similarity:Contains 1 Myb-like domain.,similarity:Contains 2 PAH (paired amphipathic helix) repeats.,subunit:Interacts with YY1.,tissue specificity:Ubiquitous. Detected in small intestine, skeletal muscle, lung, pancreas, brain, stomach, spleen, colon and heart. Detected at very low levels in healthy liver. Highly expressed in most liver carcinomas.,