Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Rnf2NG_0008257227Ding    DRING    CG5595    dRING1    CT17690    Ring   
rnf2BC0444727955wu:fa19h05    fa19h05    wz4556    ring1b    MGC55753   
Rnf2NM_01127710090dinG    Ring1B   
rnf2NM_1312137955ring1b    wz4556    fa19h05    MGC55753    wu:fa19h05   
RNF2BC0125839606DING    BAP-1   
RNF2NM_0072129606DING    BAP-1   
Rnf2NT_03918410090
Rnf2BC02012210090Ring1B    dinG   
RNF2NT_0044879606

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

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Text2Knowledge ... Yong Huang 2002