{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["300(12)"],"submitter":["Zhou Q"],"funding":["National Natural Science Foundation of China"],"pubmed_abstract":["The pace of the endogenous circadian clock is important for organisms to maintain homeostasis. CHRONO has been shown to be a core component of the mammalian clock and has recently been implicated to function in several important physiological aspects. To function properly, CHRONO needs to enter the nucleus to repress transcription. We have previously shown that the N terminus of CHRONO is required for its nuclear entry. However, how CHRONO enters the nucleus and regulates the circadian clock remains unknown. Here, we report that a novel nonclassical nuclear localization signal in the N terminus of CHRONO is responsible for its nuclear entry. Multiple nuclear transporters are identified that facilitate the nuclear import of CHRONO. We show that the Arg63 is the critical amino acid of the nu"],"journal":["The Journal of biological chemistry"],"pagination":["107917"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11599456"],"repository":["biostudies-literature"],"pubmed_title":["The nuclear transportation of CHRONO regulates the circadian rhythm."],"pmcid":["PMC11599456"],"pubmed_authors":["Zhou Q","Wang R","Ge H","Qin X","Su Y","Song Z"],"additional_accession":[]},"is_claimable":false,"name":"The nuclear transportation of CHRONO regulates the circadian rhythm.","description":"The pace of the endogenous circadian clock is important for organisms to maintain homeostasis. CHRONO has been shown to be a core component of the mammalian clock and has recently been implicated to function in several important physiological aspects. To function properly, CHRONO needs to enter the nucleus to repress transcription. We have previously shown that the N terminus of CHRONO is required for its nuclear entry. However, how CHRONO enters the nucleus and regulates the circadian clock remains unknown. Here, we report that a novel nonclassical nuclear localization signal in the N terminus of CHRONO is responsible for its nuclear entry. Multiple nuclear transporters are identified that facilitate the nuclear import of CHRONO. We show that the Arg63 is the critical amino acid of the nu","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Dec","modification":"2026-06-03T03:36:38.081Z","creation":"2025-04-19T17:34:45.448Z"},"accession":"S-EPMC11599456","cross_references":{"pubmed":["39454958"],"doi":["10.1016/j.jbc.2024.107917"]}}