Your Query returns 19 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
cnp1AL0968514896sim2    SPBC1105.17   
CNP1BC0280409606CNP    123830
CNP1BC0013629606CNP    123830
CNP1BC0063929606CNP    123830
CNP1BC0110469606CNP    123830
CNP1NM_0331339606CNP    123830
cnp1S85411485
cnp1AB0417244896
cnp1AL162754122587
cnp1M84111485
Cnp1NM_00992310090Cnp    Cnp-1    CNPase    123830
Cnp1XM_34090410116
Cnp1NW_04733910116
Cnp1NT_03952110090123830
Cnp1AF33205510090123830
Cnp1AF33205610090123830
Cnp1BC00554410090Cnp    CNPase    123830
Cnp1BC02190410090Cnp    CNPase    123830
cnp1NC_003116122587

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

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Text2Knowledge ... Yong Huang 2002