Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MAPKNM_0800247227ERK    Sem    rll    DERK    ERKA    Erk1    D-ERK    Dsor2    EK2-1    ERK-A    EY2-2    SR2-1    dpERK    DERK-A    DmERKA    DmMAPK    dpMAPK    CG12559    CT34260    CT39192    DmERK-A    GroupII    rl/MAPK    E(sina)7    l(2)41Ac    Su(Raf)2B    MAP kinase    Sevenmaker    l(2R)EMS45-39    Erk/Map kinase    rl   
MAPKY1886155567
MAPKAF1733765353
mapkAJ1337163435
MAPKAF435805147045
MAPKAF22727571001
mapkAF0439414754
MAPKX5871210090
mapkAJ6340034606

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002