Your Query returns 13 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ACTN3M864079606102574
Actn3NM_01345610090102574
Actn3NW_04756310116
ACTN3NM_0011049606102574
Actn3AF09377510090102574
Actn3NT_03968710090102574
Actn3AY09623810116
Actn3AF45024810116
Actn3AE0037157227
ACTN3NT_0339039606102574
Actn3NM_13342410116
Actn3NM_0800627227ORF1    dabp    CG8953    acta-3   
Actn3NT_0337777227ORF1    dabp    CG8953    acta-3   

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

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Text2Knowledge ... Yong Huang 2002