Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Trxrd2NM_01371110090TR3    TrxR2    AA118373    ESTM573010    Txnrd2   
Trxrd2NM_02258410116Txnrd2   
Trxrd2BC01368810090TrxR2    AA118373    TR3    Txnrd2   

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

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Text2Knowledge ... Yong Huang 2002