Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
F20D21.16NC_0030703702
F20D21.16NM_1043123702
F20D21.16AE0051733702NADP specific isocitrate dehydrogenase    NADP+-SPECIFIC ICDH    IDP   
F20D21.16AC0052873702NADP specific isocitrate dehydrogenase    NADP+-SPECIFIC ICDH    IDP   

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

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Text2Knowledge ... Yong Huang 2002