Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
alpha-MSHBC06121510090POMC    ACTH    Pomc1   
alpha-MSHNM_00889510090ACTH    POMC    Pomc-1    beta-MSH    gamma-MSH    Pomc1   
alpha-MSHM376296523

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

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