Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ATN1BC0517959606B37    NOD    DRPLA   
ATN1NM_0019409606B37    NOD    DRPLA   
atn1AJ53615646234
ATN1X927283702
atn1AY21224946234

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

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Text2Knowledge ... Yong Huang 2002