Your Query returns 16 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
AAT1BC0182079606GPT1    ALT1    GPT    138200 607086
AAT1NM_0053099606ALT1    GPT1    GPT    138200 607086
AAT1L2533456147
AAT1Z281064932
AAT1AJ22350441956
AAT1AJ30825255588
AAT1X711334932
aat1X810263702
AAT1X926573702
AAT1X680524932
AAT1AF3640593702
AAT1NM_0333649606138200 607086
AAT1NT_0056129606138200 607086
aat1AE017131229193
aat1NC_005810229193
AAT1NC_0011434932

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

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Text2Knowledge ... Yong Huang 2002