Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CDC2L4BC0019689606PITALRE    C-2k    TAK    CDK9    603251
CDC2L4NM_0012619606TAK    C-2k    PITALRE    CDK9    603251

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

Google

Text2Knowledge ... Yong Huang 2002