Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
IGKV6D-21NG_0008339606A10    IGKV6D21   
IGKV6D-21NT_0329949606A10    IGKV6D21   

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

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Text2Knowledge ... Yong Huang 2002