Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
BG26NM_15308710090H4    H4R    HH4R    AXOR35    GPRv53    GPCR105    Hrh4   
BG26NM_0216249606H4    H4R    HH4R    AXOR35    GPRv53    GPCR105    HRH4   

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

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Text2Knowledge ... Yong Huang 2002