Your Query returns 18 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PSMC4BC0552157955fe38b10    zgc:63709    wu:fe38b10   
PSMC4NM_1997507955fe38b10    zgc:63709    wu:fe38b10   
Psmc4NM_01187410090CIP21    MIP224    602707
Psmc4NW_04755610116
PSMC4BC0144889606S6    TBP7    MIP224    MGC13687    MGC23214    MGC8570    602707
PSMC4BC0003439606S6    TBP7    MIP224    MGC13687    MGC23214    MGC8570    602707
PSMC4BC0103969606S6    TBP7    MIP224    MGC13687    MGC23214    MGC8570    602707
PSMC4AY4213989606602707
PSMC4AY4213999598
PSMC4AY42140010090602707
PSMC4NM_0065039606S6    TBP7    MIP224    MGC8570    MGC13687    MGC23214    602707
PSMC4NM_1530019606S6    TBP7    MIP224    MGC8570    MGC13687    MGC23214    602707
Psmc4NT_08170010090602707
Psmc4BC01241110090CIP21    MIP224    602707
Psmc4BC01270810090CIP21    MIP224    602707
Psmc4BC06314510116Tbp7   
PSMC4NT_0111099606602707
Psmc4NM_05712210116Tbp7   

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

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Text2Knowledge ... Yong Huang 2002