Your Query returns 7 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
DRYNG_0003887227DRR    RyR    dya    CG10844    CT30357    Rya-r76CD    l(2)k00424    l(2)k04913    ryanodine receptor    Rya-r44F   
DRYNM_0576437227DRR    RYR    dya    CG10844    Rya-r76CD    l(2)k00424    l(2)k04913    Rya-r44F   
DRYNM_0576447227DRR    RYR    dya    CG10844    Rya-r76CD    l(2)k00424    l(2)k04913    Rya-r44F   
DRYNM_0576457227DRR    RYR    dya    CG10844    Rya-r76CD    l(2)k00424    l(2)k04913    Rya-r44F   
DRYNM_0576467227DRR    RYR    dya    CG10844    Rya-r76CD    l(2)k00424    l(2)k04913    Rya-r44F   
DRYNT_0337787227DRR    RYR    dya    CG10844    Rya-r76CD    l(2)k00424    l(2)k04913    Rya-r44F   
DRYZ185367227

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

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Text2Knowledge ... Yong Huang 2002