4CT0 | pdb_00004ct0

Crystal Structure of Mouse Cryptochrome1 in Complex with Period2

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4ct0a2	All alpha proteins	Cryptochrome/photolyase FAD-binding domain	Cryptochrome/photolyase FAD-binding domain	Cryptochrome/photolyase FAD-binding domain	automated matches	HOUSE MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d4ct0a1	Alpha and beta proteins (a/b)	Cryptochrome/photolyase, N-terminal domain	Cryptochrome/photolyase, N-terminal domain	Cryptochrome/photolyase, N-terminal domain	automated matches	HOUSE MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Period_C	e4ct0B1	A: a/b three-layered sandwiches	X: CRY-binding domain of PER	H: CRY-binding domain of PER	T: CRY-binding domain of PER	F: Period_C	ECOD (v294.1)
A	CID	e4ct0A1	A: a/b three-layered sandwiches	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)
A	1.25.40.80	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)
A	1.10.579.10	Mainly Alpha	Orthogonal Bundle	DNA Cyclobutane Dipyrimidine Photolyase, subunit A	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF12114	Period circadian-like, C-terminal (Period_C)	Period circadian-like, C-terminal	This domain is found in the family of Period circadian protein homologs (PER1, PER2, PER3) found in vertebrates. Sequences represented by this entry are found C-terminal to Pfam:PF08447.	Domain
A	PF00875	DNA photolyase (DNA_photolyase)	DNA photolyase	This domain binds a light harvesting cofactor.	Domain
A	PF03441	FAD binding domain of DNA photolyase (FAD_binding_7)	FAD binding domain of DNA photolyase		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	PERIOD CIRCADIAN PROTEIN HOMOLOG 2	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding molecular function inhibitor activity molecular function regulator activity transcription regulator inhibitor activity histone deacetylase binding protein binding enzyme binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding molecular function inhibitor activity molecular function regulator activity transcription regulator inhibitor activity histone deacetylase binding protein binding enzyme binding histone methyltransferase binding identical protein binding pre-mRNA binding RNA binding transcription factor binding transcription coregulator binding transcription corepressor binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding RNA polymerase II cis-regulatory region sequence-specific DNA binding transcription coactivator activity transcription regulator activity transcription coregulator activity RNA polymerase binding kinase binding DNA-binding transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding	developmental process multicellular organismal process regulation of multicellular organismal development regulation of biological process regulation of cellular process regulation of developmental process cellular developmental process biological regulation cell development regulation of neurogenesis regulation of cell differentiation nervous system development regulation of cell development regulation of nervous system development multicellular organism development developmental process multicellular organismal process regulation of multicellular organismal development regulation of biological process regulation of cellular process regulation of developmental process cellular developmental process biological regulation cell development regulation of neurogenesis regulation of cell differentiation nervous system development regulation of cell development regulation of nervous system development multicellular organism development neurogenesis cell differentiation anatomical structure development regulation of multicellular organismal process cellular process system development negative regulation of post-translational protein modification regulation of protein modification process negative regulation of biological process regulation of protein ubiquitination regulation of primary metabolic process protein ubiquitination negative regulation of protein modification process negative regulation of cellular process protein metabolic process negative regulation of protein ubiquitination regulation of protein modification by small protein conjugation or removal protein modification process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of protein modification by small protein conjugation or removal regulation of post-translational protein modification regulation of protein metabolic process negative regulation of metabolic process primary metabolic process regulation of macromolecule metabolic process macromolecule modification metabolic process macromolecule metabolic process post-translational protein modification regulation of metabolic process protein modification by small protein conjugation protein modification by small protein conjugation or removal response to stimulus response to stress response to ischemia regulation of tube diameter system process regulation of tube size regulation of system process circulatory system process regulation of blood circulation regulation of vasoconstriction vascular process in circulatory system blood vessel diameter maintenance regulation of biological quality blood circulation vasoconstriction regulation of anatomical structure size regulation of biosynthetic process rhythmic process circadian regulation of gene expression circadian rhythm gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process regulation of macromolecule biosynthetic process regulation of localization establishment of protein localization nitrogen compound transport regulation of hormone secretion regulation of protein localization regulation of peptide secretion transport signaling hormone secretion protein localization to extracellular region cell communication localization peptide secretion regulation of secretion by cell secretion by cell signal release intracellular protein localization regulation of peptide hormone secretion regulation of signaling regulation of transport secretion regulation of hormone levels regulation of peptide transport regulation of establishment of protein localization establishment of protein localization to extracellular region export from cell cell-cell signaling regulation of protein transport protein secretion establishment of localization regulation of protein secretion regulation of secretion peptide transport protein transport regulation of insulin secretion peptide hormone secretion macromolecule localization hormone transport regulation of cell communication insulin secretion response to light stimulus entrainment of circadian clock response to external stimulus regulation of circadian rhythm photoperiodism response to radiation response to abiotic stimulus entrainment of circadian clock by photoperiod monosaccharide metabolic process carbohydrate metabolic process small molecule biosynthetic process carbohydrate biosynthetic process hexose metabolic process monosaccharide biosynthetic process gluconeogenesis hexose biosynthetic process small molecule metabolic process glucose metabolic process RNA metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process nucleic acid metabolic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of DNA-templated transcription negative regulation of RNA metabolic process import into cell cellular localization carboxylic acid transmembrane transport amino acid transmembrane transport amino acid neurotransmitter reuptake L-amino acid transport L-glutamate import regulation of L-glutamate import across plasma membrane establishment of localization in cell regulation of amino acid transport regulation of amino acid transmembrane transport neurotransmitter reuptake regulation of glutamate uptake involved in transmission of nerve impulse regulation of neurotransmitter uptake L-glutamate import across plasma membrane organic anion transport carboxylic acid transport regulation of neurotransmitter transport glutamate reuptake import across plasma membrane neurotransmitter transport transmembrane transport organic acid transport amino acid transport amine transport acidic amino acid transport regulation of amino acid import across plasma membrane regulation of transmembrane transport regulation of organic acid transport dicarboxylic acid transport L-alpha-amino acid transmembrane transport neurotransmitter uptake amino acid import across plasma membrane regulation of amine transport L-glutamate transmembrane transport fat cell differentiation white fat cell differentiation lactate biosynthetic process monocarboxylic acid biosynthetic process oxoacid metabolic process carboxylic acid metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process lactate metabolic process monocarboxylic acid metabolic process negative regulation of circadian rhythm fatty acid metabolic process lipid metabolic process negative regulation of cell population proliferation cell population proliferation fat cell proliferation regulation of cell population proliferation regulation of fat cell proliferation negative regulation of fat cell proliferation homeostatic process positive regulation of biological process adaptive thermogenesis multicellular organismal-level homeostasis regulation of cold-induced thermogenesis cold-induced thermogenesis temperature homeostasis positive regulation of cold-induced thermogenesis positive regulation of multicellular organismal process negative regulation of termination of DNA-templated transcription protein-containing complex disassembly regulation of protein-containing complex disassembly cellular component disassembly negative regulation of cellular component organization regulation of termination of DNA-templated transcription regulation of cellular component organization DNA-templated transcription termination cellular component organization negative regulation of protein-containing complex disassembly cellular component organization or biogenesis protein-containing complex organization cell cycle regulation of cell cycle glucan biosynthetic process polysaccharide biosynthetic process energy derivation by oxidation of organic compounds glycogen metabolic process generation of precursor metabolites and energy glycogen biosynthetic process polysaccharide metabolic process glucan metabolic process energy reserve metabolic process chromatin organization chromatin remodeling	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol perinuclear region of cytoplasm membrane-bounded organelle protein-containing complex nucleus nuclear protein-containing complex transcription regulator complex Cry-Per complex intracellular membrane-bounded organelle intracellular organelle organelle cellular anatomical structure intracellular anatomical structure cytoplasm cytosol perinuclear region of cytoplasm membrane-bounded organelle protein-containing complex nucleus nuclear protein-containing complex transcription regulator complex Cry-Per complex intracellular membrane-bounded organelle intracellular organelle organelle transcription repressor complex membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen
A	CRYPTOCHROME-1	FAD binding flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding histone deacetylase binding protein binding enzyme binding DNA binding nucleic acid binding FAD binding flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding histone deacetylase binding protein binding enzyme binding DNA binding nucleic acid binding kinase binding double-stranded DNA binding protein kinase binding transcription factor binding DNA-binding transcription factor binding E-box binding sequence-specific DNA binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding phosphatase binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding molecular transducer activity photoreceptor activity signaling receptor activity	regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process multicellular organismal process regulation of localization system process regulation of system process negative regulation of transport negative regulation of lipid localization cell communication regulation of glucocorticoid secretion localization regulation of steroid hormone secretion negative regulation of secretion negative regulation of hormone secretion negative regulation of secretion by cell regulation of biological quality negative regulation of steroid hormone secretion regulation of hormone levels lipid transport regulation of corticosteroid hormone secretion establishment of localization regulation of secretion endocrine hormone secretion lipid export from cell negative regulation of corticosteroid hormone secretion glucocorticoid secretion negative regulation of multicellular organismal process regulation of endocrine process corticosteroid hormone secretion regulation of hormone secretion transport signaling negative regulation of signaling steroid hormone secretion regulation of lipid transport hormone secretion negative regulation of cell communication secretion by cell regulation of secretion by cell signal release regulation of multicellular organismal process negative regulation of glucocorticoid secretion regulation of signaling negative regulation of lipid transport secretion regulation of transport lipid localization export from cell cell-cell signaling endocrine process regulation of lipid localization macromolecule localization hormone transport regulation of cell communication monosaccharide metabolic process positive regulation of biological process gluconeogenesis positive regulation of metabolic process regulation of small molecule metabolic process positive regulation of biosynthetic process small molecule metabolic process regulation of carbohydrate metabolic process regulation of glucose metabolic process positive regulation of cellular process positive regulation of gluconeogenesis carbohydrate metabolic process small molecule biosynthetic process carbohydrate biosynthetic process hexose metabolic process monosaccharide biosynthetic process hexose biosynthetic process positive regulation of glucose metabolic process regulation of gluconeogenesis positive regulation of carbohydrate metabolic process regulation of carbohydrate biosynthetic process positive regulation of small molecule metabolic process glucose metabolic process rhythmic process circadian rhythm cellular response to stimulus response to stimulus intracellular signal transduction cellular response to stress DNA damage response response to stress signal transduction in response to DNA damage signal transduction regulation of circadian rhythm negative regulation of post-translational protein modification regulation of protein modification process regulation of protein ubiquitination protein ubiquitination negative regulation of protein modification process protein metabolic process negative regulation of protein ubiquitination regulation of protein modification by small protein conjugation or removal protein modification process negative regulation of protein metabolic process negative regulation of protein modification by small protein conjugation or removal regulation of post-translational protein modification regulation of protein metabolic process macromolecule modification post-translational protein modification protein modification by small protein conjugation protein modification by small protein conjugation or removal response to hormone response to chemical response to endogenous stimulus response to peptide hormone response to oxygen-containing compound response to nitrogen compound response to glucagon response to activity response to light stimulus response to radiation response to abiotic stimulus positive regulation of protein metabolic process positive regulation of post-translational protein modification positive regulation of protein modification process positive regulation of macromolecule metabolic process positive regulation of protein modification by small protein conjugation or removal positive regulation of protein ubiquitination negative regulation of circadian rhythm intracellular receptor signaling pathway response to lipid negative regulation of intracellular signal transduction regulation of signal transduction hormone-mediated signaling pathway cellular response to endogenous stimulus negative regulation of intracellular steroid hormone receptor signaling pathway regulation of intracellular signal transduction response to steroid hormone regulation of intracellular steroid hormone receptor signaling pathway nuclear receptor-mediated steroid hormone signaling pathway cellular response to steroid hormone stimulus steroid hormone receptor signaling pathway cellular response to hormone stimulus negative regulation of response to stimulus nuclear receptor-mediated corticosteroid signaling pathway negative regulation of signal transduction cellular response to chemical stimulus regulation of response to stimulus cellular response to lipid negative regulation of nuclear receptor-mediated glucocorticoid signaling pathway nuclear receptor-mediated signaling pathway regulation of nuclear receptor-mediated glucocorticoid signaling pathway nuclear receptor-mediated glucocorticoid signaling pathway DNA damage checkpoint signaling regulation of cell cycle phase transition regulation of cellular response to stress negative regulation of cell cycle cell cycle phase transition regulation of cell cycle checkpoint regulation of response to stress negative regulation of cell cycle phase transition cell cycle regulation of cell cycle cell cycle process regulation of cell cycle process DNA integrity checkpoint signaling negative regulation of cell cycle process cell cycle checkpoint signaling regulation of DNA damage checkpoint circadian regulation of gene expression entrainment of circadian clock response to external stimulus photoperiodism entrainment of circadian clock by photoperiod response to insulin lipid storage nutrient storage negative regulation of small molecule metabolic process negative regulation of gluconeogenesis negative regulation of carbohydrate metabolic process negative regulation of G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway regulation of G protein-coupled receptor signaling pathway transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II chemical homeostasis homeostatic process glucose homeostasis carbohydrate homeostasis	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR013655	PAS fold 3	Domain
B	IPR050760	Period circadian regulator	Family
B	IPR048814	Period circadian protein homolog 1-3, PAS-A domain	Domain
B	IPR035965	PAS domain superfamily	Homologous Superfamily
B	IPR022728	Period circadian-like, C-terminal	Domain
B	IPR000014	PAS domain	Domain
B	IPR057310	Period circadian protein homolog PER 1-3, bHLH-like domain	Domain
A	IPR014729	Rossmann-like alpha/beta/alpha sandwich fold	Homologous Superfamily
A	IPR036155	Cryptochrome/photolyase, N-terminal domain superfamily	Homologous Superfamily
A	IPR002081	Cryptochrome/DNA photolyase class 1	Family
A	IPR036134	Cryptochrome/DNA photolyase, FAD-binding domain-like superfamily	Homologous Superfamily
A	IPR006050	DNA photolyase, N-terminal	Domain
A	IPR005101	Cryptochrome/DNA photolyase, FAD-binding domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.