Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
JNK21B1/2NM_0027509606JNK    JNK1    PRKM8    SAPK1    JNK1A2    MAPK8   
JNK21B1/2NM_1390479606JNK    JNK1    PRKM8    SAPK1    JNK1A2    MAPK8   
JNK21B1/2NM_1390499606JNK    JNK1    PRKM8    SAPK1    JNK1A2    MAPK8   
JNK21B1/2NM_1390469606JNK    JNK1    PRKM8    SAPK1    JNK1A2    MAPK8   

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

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Text2Knowledge ... Yong Huang 2002