Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Sapk2bNM_01116110090P38b    Sapk2    p38-2    Prkm11    p38beta    p38beta2    Mapk11   
SAPK2BBC0279339606PRKM11    P38BETA2    P38B    SAPK2    p38-2    p38Beta    MAPK11   
SAPK2BNM_0027519606P38B    SAPK2    p38-2    PRKM11    p38Beta    P38BETA2    MAPK11   
SAPK2BNM_1389939606P38B    SAPK2    p38-2    PRKM11    p38Beta    P38BETA2    MAPK11   
Sapk2bBC05721110090P38b    Sapk2    p38-2    p38beta    p38beta2    Mapk11   
Sapk2bBC06473710090P38b    Sapk2    p38-2    p38beta    p38beta2    Mapk11   
SAPK2bY144409606

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

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Text2Knowledge ... Yong Huang 2002