Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PRKMK4NM_00915710090MEK4    MKK4    Sek1    JNKK1    Serk1    Map2k4    601335
PRKMK4BC0360329606JNKK1    MEK4    SERK1    MKK4    MAPKK4    SEK1    JNKK    MAP2K4    601335
PRKMK4BC0607649606JNKK1    MEK4    SERK1    MKK4    MAPKK4    SEK1    JNKK    MAP2K4    601335
PRKMK4NM_0030109606JNKK    MEK4    MKK4    SEK1    JNKK1    SERK1    MAPKK4    MAP2K4    601335
PRKMK4BC02983310090MEK4    MKK4    Sek1    JNKK1    Map2k4    601335

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

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Text2Knowledge ... Yong Huang 2002