Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Isg15NM_01578310090IP17    Irfp    UCRP    15kDa    IGI15    G1p2   
ISG15BC0095079606IFI15    UCRP    G1P2   
ISG15NM_0051019606UCRP    IFI15    G1P2   
ISG15NM_1743669913
ISG15U5820210090

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

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Text2Knowledge ... Yong Huang 2002