>gi|28077093 retinoblastoma-binding protein 6 isoform 3 [Homo sapiens] MSCVHYKFSSKLNYDTVTFDGLHISLCDLKKQIMGREKLKAADCDLQITN AQTKEEYTDDNALIPKNSSVIVRRIPIGGVKSTSKTYVISRTEPAMATTK AVCKNTISHFFYTLLLPL