Your Query returns 18 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
acta1BC0454067955
Acta1NM_00960610090Acts    Acta-2    Actsk-1    102610
acta1NM_1315917955fa27h01    fb83f06    wu:fa27h01    wu:fb83f06   
ACTA1M205439606102610
Acta1NW_04753610116
ACTA1J000689606102610
ACTA1AY2809609606102610
ACTA1BC0125979606ASMA    ACTA    NEM2    NEM1    102610
ACTA1AF1820359606102610
ACTA1NM_0011009606ACTA    ASMA    NEM1    NEM2    102610
ACTA1NM_1742259913
Acta1NT_07857510090102610
Acta1BC01487710090102610
Acta1BC06197410116
acta1AF1808877955
Acta1NM_01921210116
acta1BC0654357955fa27h01    fb83f06    wu:fa27h01    wu:fb83f06   
ACTA1NT_0045599606102610

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

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Text2Knowledge ... Yong Huang 2002