Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
H2B/lNM_0035269606H2B.1    H2BFL    dJ221C16.3    HIST1H2BC   
H2B/lNT_0075929606H2B.1    H2BFL    dJ221C16.3    HIST1H2BC   
H2B/lNG_0013359606H2B.1    H2BFL    dJ221C16.3    HIST1H2BC   
H2B/lZ807839606

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

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Text2Knowledge ... Yong Huang 2002