Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
TRBV124NG_0013339606TCRBV12S4    TCRBV8S2A1T    TRBV12-4   
TRBV124NT_0079149606TCRBV12S4    TCRBV8S2A1T    TRBV12-4   
TRBV124NT_0795969606TCRBV12S4    TCRBV8S2A1T    TRBV12-4   

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

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Text2Knowledge ... Yong Huang 2002