Automated description from the Alliance of Genome Resources (Release 3.2)
Exhibits several functions, including RNA polymerase II CTD heptapeptide repeat kinase activity; nucleic acid binding activity; and protein kinase binding activity. Involved in positive regulation of histone H2B ubiquitination and positive regulation of histone phosphorylation. Localizes to cyclin/CDK positive transcription elongation factor complex. Is expressed in several structures, including alimentary system; early embryo; genitourinary system; hemolymphoid system; and nervous system. Orthologous to human CDK9 (cyclin dependent kinase 9).