DUSP4 GI:16950652 dual specificity phosphatase 4 isoform 2 1 mgrkvhsngs qfaehsrspr rtgrdckpvr apsmalgvsq lagrsrclcs 50 51 esqggyerfs seypefcskt kalaaipppv ppsatepldl gcsscgtplh 100 101 dqggpveilp flylgsayha arrdmldalg itallnvssd cpnhfeghyq 150 151 ykcipvednh kadisswfme aieyidavkd crgrvlvhcq agisrsatic 200 201 laylmmkkrv rleeafefvk qrrsiispnf sfmgqllqfe sqvlatscaa 250 251 eaaspsgplr ergktpatpt sqfvfsfpvs vgvhsapssl pylhspitts 300 301 psc