Your Query returns 20 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Eif2ak3NM_01012110090PEK    perk    604032
Eif2ak3NW_04769310116
EIF2AK3AH0096789606604032
EIF2AK3AF2846049606604032
EIF2AK3AF2846059606604032
EIF2AK3AF2846069606604032
EIF2AK3AF2846079606604032
EIF2AK3AF2846089606604032
EIF2AK3AF2846099606604032
EIF2AK3AF2846109606604032
EIF2AK3AF2846119606604032
EIF2AK3AF2846129606604032
EIF2AK3AF2846139606604032
EIF2AK3AF2846149606604032
EIF2AK3AF2846159606604032
EIF2AK3NM_0048369606PEK    WRS    PERK    604032
Eif2ak3NT_03935010090604032
Eif2ak3BC05480910090PEK    perk    604032
Eif2ak3NM_03159910116PEK   
EIF2AK3NT_0221849606604032

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

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Text2Knowledge ... Yong Huang 2002