>gi|17738294 cyclin-dependent kinase inhibitor 2A isoform 4 [Homo sapiens] MGRGRCVGPSLQLRGQEWRCSPLVPKGGAAAAELGPGGGENMVRRFLVTL RIRRACGPPRVRVFVVHIPRLTGEWAAPGAPAAVALVLMLLRSQRLGQQP LPRRPGHDDGQRPSGGAAAAPRRGAQLRRPRHSHPTRARRCPGGLPGHAG GAAPGRGAAGRARCLGPSARGPG