Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GPx-1NM_00816010090Gpx    CGPx    GSHPx-1    Gpx1   
GPX-1U220469031

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

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Text2Knowledge ... Yong Huang 2002