Transcription factor regulating the cell cycle specific transcription of a spindle pole body (SPB) calmodulin binding protein SPC110. Required for full induction of SPC110 transcription in late G1. Binds to DNA consensus sequence 5'-[AT]AA[TC]AAACAA[AT]-3'. Dosage dependent suppressor of calmodulin mutants which have specific defects in SPB assembly. Phosphorylated by CDK1. Present with 358 molecules/cell in log phase SD medium.