Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Actr1aNM_01686010090Arp1    alpha-Arp1   
ACTR1ABC0006939606ARP1   
ACTR1ABC0260169606ARP1   
ACTR1AAY4109439606
ACTR1AAY4109449598
ACTR1AAY41094510090
ACTR1ANM_0057369606ARP1   
Actr1aNT_03969210090
Actr1aBC00713110090alpha-Arp1    Arp1   
ACTR1ABV0057569913
ACTR1ANT_0300599606

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

Google

Text2Knowledge ... Yong Huang 2002