Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
P450c21BNM_0005009606CAH1    CPS1    CA21H    CYP21    CYP21B    CYP21A2   
P450c21BNT_0075929606CAH1    CPS1    CA21H    CYP21    CYP21B    CYP21A2   
P450c21BNG_0000139606CAH1    CPS1    CA21H    CYP21    CYP21B    CYP21A2   

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

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Text2Knowledge ... Yong Huang 2002