Annotations: 4NXE

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4nxea_	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	Flavin-binding PAS domain	automated matches	mouse-ear cress, thale-cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
B	d4nxeb_	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	Flavin-binding PAS domain	automated matches	mouse-ear cress, thale-cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PAS	e4nxeA1	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PAS	ECOD (1.6)
B	PAS	e4nxeB1	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PAS	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
B	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	PF13426	PAS domain (PAS_9)	PAS domain	This domain is found in many signalling proteins in which it functions as a sensor domain. It recognises FMN, Zn(II), FAD and riboflavin (MAtilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043).	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Phototropin-2	binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding kinase activity transferase activity catalytic activity binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups catalytic activity, acting on a protein protein kinase activity protein serine kinase activity phosphotransferase activity, alcohol group as acceptor adenyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding purine nucleotide binding adenyl nucleotide binding ATP binding protein serine/threonine kinase activity blue light photoreceptor activity molecular transducer activity photoreceptor activity signaling receptor activity identical protein binding protein binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus response to blue light rhythmic process circadian rhythm establishment of organelle localization cellular localization plastid localization chloroplast relocation establishment of plastid localization establishment of localization cellular component organization response to light stimulus response to stimulus response to radiation response to abiotic stimulus response to blue light rhythmic process circadian rhythm establishment of organelle localization cellular localization plastid localization chloroplast relocation establishment of plastid localization establishment of localization cellular component organization localization organelle organization plastid organization organelle localization chloroplast organization establishment of localization in cell cellular process cellular component organization or biogenesis chloroplast localization stomatal movement protein phosphorylation protein autophosphorylation phosphorylation cellular metabolic process primary metabolic process macromolecule modification phosphate-containing compound metabolic process metabolic process protein metabolic process macromolecule metabolic process protein modification process phosphorus metabolic process phototropism tropism response to external stimulus	membrane cellular anatomical entity cell periphery plasma membrane membrane-bounded organelle intracellular organelle intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system plastid

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017441	Protein kinase, ATP binding site	Binding Site
A, B	IPR000700	PAS-associated, C-terminal	Domain
A, B	IPR000719	Protein kinase domain	Domain
A, B	IPR000014	PAS domain	Domain
A, B	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A, B	IPR035965	PAS domain superfamily	Homologous Superfamily
A, B	IPR001610	PAC motif	Repeat
A, B	IPR008271	Serine/threonine-protein kinase, active site	Active Site

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.