Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC6458NM_1453711009026kDa    EIF2B    EIF2BA    Eif2b1   
MGC6458BC00342610090EIF2B    EIF2BA    26kDa    Eif2b1   

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

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Text2Knowledge ... Yong Huang 2002