Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
sor/MEK1NC_0043547227MEK    SOR    DSor    Dmek    D-MEK    D-SOR    DSOR1    DSORT    EK1-1    MAPKK    DMEK-1    CG15793    D-sor-1    DRODSOR1    D-MEK/Dsor    Su(Raf)34B   
sor/MEK1NM_0785437227MEK    SOR    DSor    Dmek    D-MEK    D-SOR    DSOR1    DSORT    EK1-1    MAPKK    DMEK-1    CG15793    D-sor-1    DRODSOR1    D-MEK/Dsor    Su(Raf)34B   

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

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