Your Query returns 6 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Mpk4NM_02935210090Dusp4    Pyst3    Dusp9   
Mpk4NG_0006897227MKK4    DMKK4    JNKK2    CG9738    D-MKK4    CT27508    SEK1/MKK4   
Mpk4NM_0580057227MKK4    DMKK4    JNKK2    CG9738    D-MKK4    SEK1/MKK4   
Mpk4NT_0337777227MKK4    DMKK4    JNKK2    CG9738    D-MKK4    SEK1/MKK4   
MPK4AJ2932825665
MPK4AY1734144043

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

Google
Text2Knowledge ... Yong Huang 2002