Circadian RhythmOligopeptidesPeptidesSleep Disorders, Circadian RhythmSuprachiasmatic NucleusPeriod Circadian ProteinsCircadian Rhythm Signaling Peptides and ProteinsCLOCK ProteinsBiological ClocksCircadian ClocksPhotoperiodAmino Acid SequenceARNTL Transcription FactorsChronobiology DisordersPeptide FragmentsMolecular Sequence DataMelatoninActivity CyclesChalonesLightDarknessJet Lag SyndromeGlycylglycineDipeptidesCryptochromesBody TemperaturePeptide LibrarySubstrate SpecificityAminopeptidasesSleepMotor ActivityPeriodicityPineal GlandNuclear Receptor Subfamily 1, Group D, Member 1Antimicrobial Cationic PeptidesStructure-Activity RelationshipKineticsPeptides, CyclicCephalexinAmino AcidsBase SequencePhototherapyEndopeptidasesHydrolysisProtein ConformationVasoactive Intestinal PeptideChromatography, High Pressure LiquidCasein Kinase IepsilonBinding SitesProtein BindingAntibodies, CatalyticPeptide HydrolasesChronotherapyRNA, MessengerPeptide MappingTime FactorsLightingModels, MolecularSequence Homology, Amino AcidChronobiology PhenomenaEpitopesFlavoproteinsLeucyl AminopeptidaseCell LineLactococcus lactisMass SpectrometryRecombinant ProteinsWakefulnessProtein Structure, SecondaryCloning, MolecularTemperatureHydrocortisoneProtease InhibitorsHydrogen-Ion ConcentrationBacterial ProteinsBiological TransportProteinsGastrin-Releasing PeptideNatriuretic Peptide, BrainProlineArylalkylamine N-AcetyltransferaseGene Expression RegulationFeeding BehaviorBehavior, AnimalMolecular WeightMagnetic Resonance SpectroscopyRecombinant Fusion ProteinsDrug ChronotherapyCarrier ProteinsMice, Inbred C57BLMesocricetusReceptors, MelatoninCaseinsSeasonal Affective DisorderRod OpsinsAlanineGlycineRabbitsDipeptidyl-Peptidases and Tripeptidyl-PeptidasesEscherichia coli