Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Agxt1NM_01670210090Agxt   
AGXT1NM_0000309606AGT    SPT    AGT1    SPAT    TLH6    AGXT   
Agxt1BC02579910090Agxt   
Agxt1AF02773110090
Agxt1AF02773010090

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

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Text2Knowledge ... Yong Huang 2002