Potential phosphorylation sites include the sequence PSPTSPT , which resembles an RNA polymerase II repeat reported to be a target of the cell cycle control kinase cdc2 .
potential phosphorylation sites include the sequence psptspt , which resembles an rna polymerase ii repeat reported to be a target of the cell cycle control kinase cdc2 .
O B-protein_domain_or_region I-protein_domain_or_region O O O B-protein_domain_or_region O O O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O