Your Query returns 27 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PAC1NM_01009010090Dusp2    603068 601188
PAC1BC0077719606PAC-1    DUSP2    603068 601188
PAC1BC0003119606BCD1    CPBP    KLF6    GBF    ZF9    ST12    COPEB    603068 601188
PAC1BC0043019606BCD1    CPBP    KLF6    GBF    ZF9    ST12    COPEB    603068 601188
PAC1NM_0044189606PAC-1    DUSP2    603068 601188
PAC1NM_0013009606GBF    ZF9    BCD1    CPBP    KLF6    ST12    COPEB    603068 601188
PAC1BC04869610090Dusp2    603068 601188
pac1NC_0034234896SPBC119.11c    hcs   
PAC1NM_00740710090PAC1R    PACAP1-R    2900024I10Rik    Adcyap1r1    603068 601188
PAC1BC06703910090PACAP1-R    PAC1R    2900024I10Rik    Adcyap1r1    603068 601188
PAC1U168274932
PAC1AF0435213702
pac1AL0221174896hcs    SPBC119.11c   
pac1X549984896
PAC1Z751774932
pac1AY0054675180
pac1AF5397005457
PAC1AY216461117187
pac1AY1154854577
pac1AH0136414577pac1-ref   
pac1AH0136414577pac1-ref   
pac1AY4423444577pac1-ref   
pac1AY4423454577pac1-ref   
pac1AY4422614577pac1-3   
pac1AY4422624577pac1-2   
PAC1U238539606603068 601188
PAC10N/A

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

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Text2Knowledge ... Yong Huang 2002