Your Query returns 14 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Mapk8NM_01670010090JNK    JNK1    Prkm8    SAPK1   
Mapk8XM_34139910116
Mapk8NW_04746910116
MAPK8AY4116969606
MAPK8AY4116979598
MAPK8AY41169810090
MAPK8NM_0027509606JNK    JNK1    PRKM8    SAPK1    JNK1A2    JNK21B1/2   
MAPK8NM_1390479606JNK    JNK1    PRKM8    SAPK1    JNK1A2    JNK21B1/2   
MAPK8NM_1390499606JNK    JNK1    PRKM8    SAPK1    JNK1A2    JNK21B1/2   
MAPK8NM_1390469606JNK    JNK1    PRKM8    SAPK1    JNK1A2    JNK21B1/2   
Mapk8NT_03959810090
Mapk8BC05302710090JNK1    JNK    SAPK1   
MAPK8AY33577832630
MAPK8NT_0176969606

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

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Text2Knowledge ... Yong Huang 2002