>gi|15451786 platelet-derived growth factor beta isoform 2 preproprotein [Homo sapiens] MFIMGLGDPIPEELYEMLSDHSIRSFDDLQRLLHGDPGEEDGAELDLNMT RSHSGGELESLARGRRSLGSLTIAEPAMIAECKTRTEVFEISRRLIDRTN ANFLVWPPCVEVQRCSGCCNNRNVQCRPTQVQLRPVQVRKIEIVRKKPIF KKATVTLEDHLACKCETVAAARPVTRSPGGSQEQRAKTPQTRVTIRTVRV RRPPKGKHRKFKHTHDKTALKETLGA