Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GC1770NC_0043547227HDAC    CG1770    HDAC4a    dHDAC4    dmHDA405    HDAC4   
GC1770NM_1326407227HDAC    CG1770    HDAC4a    dHDAC4    dmHDA405    HDAC4   
GC1770NM_1673567227HDAC    CG1770    HDAC4a    dHDAC4    dmHDA405    HDAC4   

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

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Text2Knowledge ... Yong Huang 2002