IL4R GI:56788411 interleukin 4 receptor alpha chain isoform b precursor 1 mgwlcsgllf pvsclvllqv assgnmkvlq eptcvsdyms istcewkmng 50 51 ptncstelrl lyqlvfllse ahtcipenng gagcvchllm ddvvsadnyt 100 101 ldlwagqqll wkgsfkpseh vkprapgnlt vhtnvsdtll ltwsnpyppd 150 151 nylynhltya vniwsendpa dfriynvtyl epslriaast lksgisyrar 200 201 vrawaqcynt twsewspstk whnsnic