Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Slc9a1NM_01698110090swe    Apnh    Nhe1    107310
Slc9a1NW_04772410116
SLC9A1BC0121219606APNH    NHE1    107310
SLC9A1NM_0030479606APNH    NHE1    107310
SLC9A1NM_1748339913
Slc9a1NT_03926710090107310
Slc9a1BC00468710090antiporter    107310
Slc9a1BC05143110090107310
Slc9a1BC05270810090107310
SLC9A1NT_0374859606107310
Slc9a1NM_01265210116Nhe1   

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

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Text2Knowledge ... Yong Huang 2002