Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Cdk5r1NM_05389110116p35    Cdk5r   
CDK5R1AY3763509606
CDK5R1BC0205809606p35    CDK5P35    p23    p25    p35nck5a    MGC33831    CDK5R    NCK5A   
CDK5R1BC0263479606p35    CDK5P35    p23    p25    p35nck5a    MGC33831    CDK5R    NCK5A   
CDK5R1BC0307929606p35    CDK5P35    p23    p25    p35nck5a    MGC33831    CDK5R    NCK5A   
CDK5R1AY4140339606
CDK5R1AY4140349598
CDK5R1AY41403510090
CDK5R1NM_0038859606p23    p25    p35    CDK5R    NCK5A    CDK5P35    MGC33831    p35nck5a   
CDK5R1NM_1745129913
CDK5R1NT_0107999606

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

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Text2Knowledge ... Yong Huang 2002