Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Prkmk7NM_01194410090MKK7    sek2    Jnkk2    5930412N11Rik    Map2k7   
PRKMK7BC0382959606MAPKK7    MKK7    Jnkk2    MAP2K7   
PRKMK7BC0053659606MAPKK7    MKK7    Jnkk2    MAP2K7   
PRKMK7NM_1451859606MKK7    Jnkk2    MAPKK7    MAP2K7   

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

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Text2Knowledge ... Yong Huang 2002