Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
mkp-1NM_01364210090erp    3CH134    Ptpn16    Dusp1   
MKP-1BC0224639606CL100    HVH1    PTPN10    DUSP1   
mkp-1NC_0032826239C05B10.1    lip-1   
mkp-1NM_0686526239C05B10.1    lip-1   
MKP-1NM_0044179606HVH1    CL100    PTPN10    DUSP1   
mkp-1BC00696710090erp    3CH134    Dusp1   
MKP-1NM_05376910116CL100    Dusp1    3CH134    Ptpn16   

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

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Text2Knowledge ... Yong Huang 2002