Your Query returns 33 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
fen1Z991674896SPAC3G6.06c    rad2   
FEN1NM_0790417227CG8648   
FEN1NT_0337787227CG8648   
FEN1AY3914237955
fen1BC0494137955cb879   
FEN1AF2787645833
fen1AF0937025833
FEN1X597204932
FEN1AY18124851657
fen1NM_1988207955cb879   
Fen1NW_04756310116
FEN1BC0003239606FEN-1    RAD2    MF1    600393
FEN1AC0047709606600393
FEN1AY4202319606600393
FEN1AY4202329598
FEN1AY42023310090600393
fen1X767719606600393
FEN1NM_0041119606MF1    RAD2    FEN-1    600393
FEN1AF5231179606600393
Fen1NT_03968710090600393
Fen1NT_03969610090600393
Fen1AY01496210090600393
Fen1BC02729510090600393
FEN1AB0735989031
FEN1AB0586029031
FEN1AF0653978355
FEN1AF0363278355
Fen1AE0038057227
FEN1NT_0339039606600393
Fen1NM_05343010116
Fen1NM_00799910090600393
Fen1BC01020310090600393
FEN1NC_0011354932VBM2    GNS1    ELO2   

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

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Text2Knowledge ... Yong Huang 2002