Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HLHmBNM_0797807227mB    Dm-mB    CG8333    Mgamma    E(spl)mB    HLH-mgamma    HLHmgamma   
HLHmBNT_0337777227mB    Dm-mB    CG8333    Mgamma    E(spl)mB    HLH-mgamma    HLHmgamma   

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

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