Your Query returns 13 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Rps6kb2NM_02148510090S6K2    70kDa   
RPS6KB2BC0061069606P70-BETA    p70S6Kb   
RPS6KB2BC0000949606P70-BETA    p70S6Kb   
RPS6KB2AY4091829606
RPS6KB2AY4091839598
RPS6KB2AY40918410090
RPS6KB2NM_0039529606p70S6Kb    P70-BETA   
Rps6kb2NT_03968710090
Rps6kb2BC00569410090S6K2    70kDa   
Rps6kb2BC05163110090S6K2    70kDa   
RPS6KB2AY33563732630
RPS6KB2NT_0339039606
Rps6kb2BC06684210090S6K2    70kDa   

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

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Text2Knowledge ... Yong Huang 2002