Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
His2aNM_0582337227H2A    H2A.1    DmeH2a    HisC    H2[[A]]   
His2ANG_0008267227

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

Google

Text2Knowledge ... Yong Huang 2002