Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Pomc1NM_13932610116Pomc    Pomc2   
Pomc1BC05844310116Pomc    Pomc2   
Pomc1NT_03953910090
Pomc1BC06121510090POMC    ACTH    alpha-MSH   
Pomc1NM_00889510090ACTH    POMC    Pomc-1    beta-MSH    alpha-MSH    gamma-MSH   

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

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Text2Knowledge ... Yong Huang 2002