Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
B2tNM_07956672272t    DTB4    BETA2    CG9359    beta2t    Dmbeta2    beta85D    tubulin    beta2tub    betaTub2    beta(2)Tu    ms(3)KK[D]    betaTub85D   
B2tNT_03377772272t    DTB4    BETA2    CG9359    beta2t    Dmbeta2    beta85D    tubulin    beta2tub    betaTub2    beta(2)Tu    ms(3)KK[D]    betaTub85D   
B2tU4332710090

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

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Text2Knowledge ... Yong Huang 2002