4NXB | pdb_00004nxb

Crystal structure of iLOV-I486(2LT) at pH 7.0

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	d4nxba1	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)
A	d4nxba2	Artifacts	Tags	Tags	Tags	C-terminal Tags	mouse-ear cress, thale-cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
B	d4nxbb_	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		e4nxbA1	A: Mitochondrial mTERF-like	X: Transcription activator-like effector (TALE)	H: Transcription activator-like effector (TALE)	T: SNF	F:	ECOD (20:10:01)
B		e4nxbB1	A: Mitochondrial mTERF-like	X: Transcription activator-like effector (TALE)	H: Transcription activator-like effector (TALE)	T: SNF	F:	ECOD (20:10:01)

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	FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide 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 cellular response to stimulus regulation of biological process regulation of cellular process intracellular receptor signaling pathway signaling biological regulation cellular response to radiation response to light stimulus response to stimulus response to radiation response to abiotic stimulus response to blue light rhythmic process circadian rhythm cellular response to stimulus regulation of biological process regulation of cellular process intracellular receptor signaling pathway signaling biological regulation cellular response to radiation intracellular signal transduction cellular response to environmental stimulus cell communication cellular response to light stimulus cellular process cellular response to abiotic stimulus signal transduction blue light signaling pathway cellular response to blue light 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 component organization or biogenesis chloroplast localization stomatal movement phototropism tropism response to external stimulus	cellular anatomical structure membrane cell periphery plasma membrane intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular organelle Golgi apparatus organelle intracellular membrane-bounded organelle endomembrane system plastid nucleus

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.