Your Query returns 12 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Trn1NM_0580207227Tm    TRN    dTRN    CG7398   
Trn1NM_1681607227Tm    TRN    dTRN    CG7398   
Trn1NM_1681617227Tm    TRN    dTRN    CG7398   
Trn1NT_0374367227Tm    TRN    dTRN    CG7398   
trn1AP005022227882
trn1AE00497864091
TRN1Y183423702
trn1Y183434530
trn1AE00443764091
trn1NC_00260764091
trn1NC_003155227882
TRN1NC_0011334932

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

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Text2Knowledge ... Yong Huang 2002