Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SYNIINM_01266510116RATSYNII    Syt2   
SYNIIBC0513079606SYNIIa    SYNIIb    SYN2   
SYNIINM_0031789606SYNIIa    SYNIIb    SYN2   
SYNIINM_1336259606SYNIIa    SYNIIb    SYN2   

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

Google

Text2Knowledge ... Yong Huang 2002