Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Myr1NM_05398610116Myo1b   
myr1BC0535589606MYO1B   
myr1NM_0122239606MYO1B   
MYR1AF2918173702
myr1AJ2234943707
MYR1AF4584113712
MYR1X6819910116

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

Google

Text2Knowledge ... Yong Huang 2002