3DVL CRYSTAL STRUCTURE OF FULL LENGTH CIRCADIAN CLOCK PROTEIN KAIC WITH CORRECT GEOMETRY AT PHOSPHORYLATION SITES CIRCADIAN CLOCK PROTEIN, TRANSFERASE, HOMOHEXAMER, CIRCADIAN, KAIA, KAIB, KAIC, HEXAMER, KINASE, ATP-BINDING, BIOLOGICAL RHYTHMS, DNA-BINDING, MAGNESIUM, METAL-BINDING, NUCLEOTIDE- BINDING, PHOSPHOPROTEIN, REPRESSOR, SERINE/THREONINE- PROTEIN KINASE, TRANSCRIPTION, TRANSCRIPTION REGULATION