TY - GEN AU - Young,M W TI - Circadian rhythms. Marking time for a kingdom SN - 0036-8075 PY - 2000///0504 KW - Animals KW - Biological Clocks KW - genetics KW - Casein Kinase 1 epsilon KW - Casein Kinases KW - Cell Cycle Proteins KW - Circadian Rhythm KW - Cloning, Molecular KW - Cricetinae KW - Drosophila KW - Drosophila Proteins KW - Genes, Insect KW - Humans KW - Intracellular Signaling Peptides and Proteins KW - Mesocricetus KW - Nuclear Proteins KW - Period Circadian Proteins KW - Phosphorylation KW - Point Mutation KW - Protein Kinases KW - chemistry KW - Transcription Factors N1 - Publication Type: Journal Article UR - https://doi.org/10.1126/science.288.5465.451 ER -