Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MLL4BC0073539606KIAA0304    MLL2    HRX2    WBP7    TRX2    606834
MLL4BC0093379606KIAA0304    MLL2    HRX2    WBP7    TRX2    606834
MLL4NM_0147279606HRX2    MLL2    TRX2    WBP7    KIAA0304    606834
MLL4NT_0111099606606834

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

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Text2Knowledge ... Yong Huang 2002