Your Query returns 28 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
dpp4BX294135243090
dpp4U879505085
DPP4AF3073049913
DPP4AF3073059913
DPP4AF3073069913
DPP4AF3073079913
DPP4AF3073119915
DPP4AF3073129915
DPP4AF3073139915
DPP4AF3073149915
DPP4M805369606102720
Dpp4NM_01007410090Cd26    THAM    Dpp-4    102720
Dpp4NW_04765510116
Dpp4NM_01278910116DPPIV   
DPP4BC0133299606ADCP2    CD26    ADABP    TP103    DPPIV    102720
DPP4BC0652659606ADCP2    CD26    ADABP    TP103    DPPIV    102720
DPP4AY4183689606102720
DPP4AY4183699598
DPP4AY41837010090102720
DPP4NM_0019359606CD26    ADABP    ADCP2    DPPIV    TP103    102720
DPP4NM_1740399913
Dpp4NT_03920710090102720
DPP4AF30731510029
DPP4AF30731610029
DPP4X5838410090102720
Dpp4BC02218310090THAM    102720
dpp4NC_005027243090
DPP4NT_0054039606102720

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

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Text2Knowledge ... Yong Huang 2002