Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
H2AFMNM_0035139606H2A/m    HIST1H2AB    602795
H2AFMNT_0075929606H2A/m    HIST1H2AB    602795
H2AFMNG_0013359606H2A/m    HIST1H2AB    602795

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

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Text2Knowledge ... Yong Huang 2002