Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC47725BC0277339606IL1RB    IL1R2   
MGC47725BC0390319606IL1RB    IL1R2   
MGC47725NM_0046339606IL1RB    IL1R2   
MGC47725NM_1733439606IL1RB    IL1R2   

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

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Text2Knowledge ... Yong Huang 2002