Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
DmRNR1NM_0576797227RNR1    RntL    RnrM1    CG5371    l(2)k06709    Ribonucleoside diphosphate reductase M1 subunit    ribonucleoside-diphosphate reductase large subunit    RnrL   
DmRNR1NG_0004147227RNR1    RntL    RnrM1    CG5371    CT17066    l(2)k06709    ribonucleoside-diphosphate reductase large subunit    RnrL   
DmRNR1NM_0576797227RNR1    RntL    RnrM1    CG5371    l(2)k06709    RnrL   
DmRNR1NT_0337797227RNR1    RntL    RnrM1    CG5371    l(2)k06709    RnrL   

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

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Text2Knowledge ... Yong Huang 2002