Creatine KinaseProtein IsoformsIsoenzymesCasein Kinase IIAlternative SplicingMolecular Sequence DataAmino Acid SequenceRNA IsoformsRNA, MessengerIsomerismBase SequenceSequence Homology, Amino AcidBlotting, WesternCell LineDNA, ComplementaryCloning, MolecularPhosphorylationExonsCells, CulturedKineticsProtein BindingReverse Transcriptase Polymerase Chain ReactionRecombinant Proteins