title: Molecular time machines. The first gene involved in mammalian circadian timekeeping has been identified.
authors.forename: W J
authors.initials: WJ
authors.lastname: Schwartz
mesh_terms: D000818:Animals; D056926:CLOCK Proteins; D002940:Circadian Rhythm / Q000235:genetics*; D006801:Humans; D015534:Trans-Activators / Q000235:genetics*
chemical_list: D015534:Trans-Activators; D056926:CLOCK Proteins; C538943:CLOCK protein, human