Your Query returns 26 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
pckAJ414141214092YPO0138    pckA   
pckBX640427519pckG   
pckBX640444257310pckG   
pckNC_003143214092pckA   
pckNC_002927257310pckG   
pckNC_002928257311pckG   
PCKNM_19878010116Pepck    PEPCK-C    RATPEPCK    Pck1   
pckAB0755485811
pckAF0369511313
pckAP005034227882
pckAB016600971
pckAP005223196164
pckAL935262220668
pckS76268562pck-51   
pckS76269562pck-53   
pckAF3321911772
pckAE008487171101spr1147   
pckAJ2695061718
pckL318993659
pckU242344932
pckBX927156196627
PCKAF2121093879
pckNC_004369196164
pckNC_003098171101
pckNC_004567220668
pckNC_003155227882

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

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Text2Knowledge ... Yong Huang 2002