Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SUP45L1NM_14486610090ERF    ERF1    TB3-1    MGC18745    Etf1   
SUP45L1BC0142699606ERF    RF1    TB3-1    D5S1995    eRF1    ETF1   
SUP45L1NM_0047309606ERF    RF1    ERF1    TB3-1    D5S1995    ETF1   
SUP45L1BC01371710090MGC18745    ERF    ERF1    TB3-1    Etf1   

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

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Text2Knowledge ... Yong Huang 2002