Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
IGKV6-21NG_0008349606A26    IGKV621   
IGKV6-21NT_0221849606A26    IGKV621   

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

Google

Text2Knowledge ... Yong Huang 2002