Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HP1Hs-alphaBC0068219606HP1    HP1-ALPHA    CBX5   
HP1Hs-alphaNM_0121179606HP1    HP1-ALPHA    CBX5   

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

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Text2Knowledge ... Yong Huang 2002