Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
IL1RP2NM_01945010090Fil1    Il1f9    IL-1H1    Il1f6    605542
IL1RP2NM_0196189606IL1E    IL1H1    IL-1F9    IL-1H1    IL-1RP2    IL-1(EPSILON)    IL1F9    605542

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

Google

Text2Knowledge ... Yong Huang 2002