Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
dmdNaClNM_0578847227PPK    pkt    ppk1    CG3478    mdNaC1    dmdNaC1   
dmdNaClNT_0337797227PPK    pkt    ppk1    CG3478    mdNaC1    dmdNaC1   

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

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