Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GABATRNM_17870310090Gabt    Gat1    XT-1    Gabt1    Xtrp1    GABATHG    A730043E01    Slc6a1    137165
GABATRBC0339049606GAT1    GABATHG    SLC6A1    137165
GABATRNM_0030429606GAT1    GABATHG    SLC6A1    137165
GABATRBC05908010090A730043E01    XT-1    Gat1    GABATHG    Slc6a1    137165

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

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Text2Knowledge ... Yong Huang 2002