PPP1R1B GI:31415880 protein phosphatase 1, regulatory (inhibitor) subunit 1B isoform 2 1 mlfrlsehss peeeasphqr asgeghhlks krpnpcaytp pslkavqria 50 51 eshlqsisnl nenqaseeed elgelrelgy preedeeeee ddeeeeeeed 100 101 sqaevlkvir qsagqkttcg qglegpwerp ppldeserdg gsedqvedpa 150 151 lsepgeepqr pspsepgt