NRG1 GI:7669518 neuregulin 1 isoform SMDF 1 meiyspdmse vaaersssps tqlsadpsld glpaaedmpe pqtedgrtpg 50 51 lvglavpcca cleaerlrgc lnsekicivp ilaclvslcl ciaglkwvfv 100 101 dkifeydspt hldpgglgqd piisldataa savwvsseay tspvsraqse 150 151 sevqvtvqgd kavvsfepsa aptpknrifa fsflpstaps fpsptrnpev 200 201 rtpksatqpq ttetnlqtap klstststtg tshlvkcaek ektfcvngge 250 251 cfmvkdlsnp srylckcpne ftgdrcqnyv masfyststp flslpe