Your Query returns 6 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
rad27AL0345644896SPCC1259.13    chk1   
rad27NM_00769110090Chk1    Chek1   
rad27NC_0034214896SPCC1259.13    chk1   
rad27BC03761310090Chk1    Chek1   
RAD27Z281134932
RAD27NC_0011434932ERC11    RTH1   

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

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Text2Knowledge ... Yong Huang 2002