Annotations: 1WA9

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e1wa9B3	A: POZ domain	X: POZ domain	H: POZ domain	T: Tubulin	F:	ECOD (20:10:01)
A		e1wa9A1	A: Thioredoxin-like	X: Thioredoxin-like	H: Thioredoxin-like	T:	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
B	1.20.5.770	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Single helix bin	CATH (4.3.0)
A	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00989	PAS fold (PAS)	PAS fold	The PAS fold corresponds to the structural domain that has previously been defined as PAS and PAC motifs [4]. The PAS fold appears in archaea, eubacteria and eukarya. This domain can bind gases (O2, CO and NO), FAD, 4-hydroxycinnamic acid and NAD+ [5 ...	The PAS fold corresponds to the structural domain that has previously been defined as PAS and PAC motifs [4]. The PAS fold appears in archaea, eubacteria and eukarya. This domain can bind gases (O2, CO and NO), FAD, 4-hydroxycinnamic acid and NAD+ [5].	Domain
A, B	PF14598	PAS domain (PAS_11)	PAS domain	This family includes the PAS-B domain of NCOA1 (Nuclear receptor coactivator 1), which binds to an LXXLL motif in the C-terminal region of STAT6 (Signal transducer and activator of transcription 6) [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PERIOD CIRCADIAN PROTEIN	transcription factor binding transcription coregulator binding transcription corepressor binding protein binding binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding transcription regulator activity transcription coregulator activity transcription factor binding transcription coregulator binding transcription corepressor binding protein binding binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding transcription regulator activity transcription coregulator activity protein-macromolecule adaptor activity molecular adaptor activity transcription corepressor activity identical protein binding	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 rhythmic process circadian rhythm behavior adult behavior multicellular organismal process response to stimulus behavioral response to cocaine response to chemical response to oxygen-containing compound response to nitrogen compound response to cocaine response to alkaloid entrainment of circadian clock response to external stimulus regulation of circadian rhythm reproductive process multicellular organismal reproductive process reproductive behavior mating behavior copulation circadian sleep/wake cycle, sleep circadian sleep/wake cycle rhythmic behavior regulation of circadian sleep/wake cycle regulation of behavior circadian behavior regulation of multicellular organismal process sleep regulation of circadian sleep/wake cycle, sleep circadian sleep/wake cycle process response to light stimulus response to radiation response to abiotic stimulus courtship behavior circadian regulation of gene expression response to temperature stimulus system process learning or memory long-term memory nervous system process cognition memory determination of adult lifespan photoperiodism entrainment of circadian clock by photoperiod locomotory behavior regulation of locomotor rhythm locomotor rhythm multicellular organismal-level homeostasis homeostatic process temperature homeostasis circadian temperature homeostasis developmental process eclosion eclosion rhythm multicellular organism development anatomical structure development organism emergence from protective structure transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II response to oxidative stress response to stress male courtship behavior, veined wing extension male mating behavior male courtship behavior male courtship behavior, veined wing generated song production male courtship behavior, veined wing vibration	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen perinuclear region of cytoplasm cell body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR050760	Period circadian regulator	Family
A, B	IPR013767	PAS fold	Domain
A, B	IPR000014	PAS domain	Domain
A, B	IPR035965	PAS domain superfamily	Homologous Superfamily

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.