Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ATP6V1ABC0551307955MGC63516    zgc:63516   
ATP6V1ANM_2011357955MGC63516    zgc:63516   
ATP6V1ABC0131389606VPP2    VA68    ATP6A1    HO68    Vma1    ATP6V1A1   
ATP6V1ANM_0016909606HO68    VA68    VPP2    Vma1    ATP6A1    ATP6V1A1   
ATP6V1ANT_0056129606

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

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Text2Knowledge ... Yong Huang 2002