4HOI | pdb_00004hoi

Crystal structure of PAS domain from the mouse EAG1 potassium channel

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 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	d4hoia1	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	automated matches	automated matches	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d4hoia2	Artifacts	Tags	Tags	Tags	N-terminal Tags	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d4hoib1	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	automated matches	automated matches	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d4hoib2	Artifacts	Tags	Tags	Tags	N-terminal Tags	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C	d4hoic_	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	automated matches	automated matches	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D	d4hoid_	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	automated matches	automated matches	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Flavin-binding PAS domain	8084677	4003660	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PYP-like sensor domain (PAS domain)	8084678	3000471	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8084678	3000471	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8084678	3000471	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8084678	3000471	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SmpA_OmlA	e4hoiA1	A: alpha bundles	X: beta-Grasp	H: HTH	T: winged helix domain	F: SmpA_OmlA	ECOD (develop294)
B	CaMBD	e4hoiB1	A: alpha bundles	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: CaMBD	ECOD (develop294)
C	SmpA_OmlA	e4hoiC1	A: alpha bundles	X: beta-Grasp	H: HTH	T: winged helix domain	F: SmpA_OmlA	ECOD (develop294)
D	SmpA_OmlA	e4hoiD1	A: alpha bundles	X: beta-Grasp	H: HTH	T: winged helix domain	F: SmpA_OmlA	ECOD (develop294)

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)
C	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
D	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, C, D	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, C, D	Potassium voltage-gated channel subfamily H member 1	monoatomic cation transmembrane transporter activity delayed rectifier potassium channel activity gated channel activity monoatomic ion channel activity potassium ion transmembrane transporter activity voltage-gated channel activity voltage-gated monoatomic ion channel activity potassium channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity monoatomic cation transmembrane transporter activity delayed rectifier potassium channel activity gated channel activity monoatomic ion channel activity potassium ion transmembrane transporter activity voltage-gated channel activity voltage-gated monoatomic ion channel activity potassium channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity protein binding binding 14-3-3 protein binding voltage-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential transmembrane transporter binding kinase binding enzyme binding protein kinase binding protein-containing complex binding calmodulin binding ion binding anion binding phosphatidylinositol bisphosphate binding small molecule binding identical protein binding	transport monoatomic ion transmembrane transport potassium ion transmembrane transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport potassium ion transport cellular process monoatomic cation transport cellular response to stimulus cellular response to metal ion transport monoatomic ion transmembrane transport potassium ion transmembrane transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport potassium ion transport cellular process monoatomic cation transport cellular response to stimulus cellular response to metal ion cellular response to chemical stimulus response to stimulus response to metal ion response to chemical cellular response to calcium ion response to calcium ion startle response multicellular organismal process system process nervous system process neuromuscular process response to external stimulus biological regulation regulation of biological quality regulation of membrane potential regulation of biological process cell population proliferation regulation of cellular process regulation of cell population proliferation inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis regulation of cytosolic calcium ion concentration regulation of presynaptic cytosolic calcium ion concentration cellular homeostasis neuron cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of localization cellular localization regulated exocytosis modulation of chemical synaptic transmission signaling synaptic vesicle cycle synaptic vesicle exocytosis vesicle-mediated transport cell communication vesicle-mediated transport in synapse regulation of regulated secretory pathway synaptic signaling regulation of secretion by cell secretion by cell signal release establishment of localization in cell trans-synaptic signaling regulation of signaling neurotransmitter secretion regulation of transport secretion regulation of neurotransmitter transport regulation of synaptic vesicle exocytosis export from cell cell-cell signaling neurotransmitter transport regulation of vesicle-mediated transport regulation of secretion chemical synaptic transmission signal release from synapse regulation of trans-synaptic signaling exocytosis regulation of neurotransmitter secretion anterograde trans-synaptic signaling regulation of exocytosis regulation of cell communication	postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region somatodendritic compartment cell body perikaryon neuronal cell body cell surface parallel fiber to Purkinje cell synapse excitatory synapse presynapse presynaptic membrane cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection voltage-gated potassium channel complex protein-containing complex plasma membrane protein complex potassium channel complex membrane protein complex cation channel complex transporter complex transmembrane transporter complex monoatomic ion channel complex membrane-bounded organelle endosome membrane intracellular anatomical structure early endosome endosome intracellular vesicle early endosome membrane intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane cytoplasm vesicle organelle membrane perinuclear region of cytoplasm axon cell leading edge axolemma leading edge membrane neuron projection membrane main axon cell projection membrane organelle inner membrane nuclear membrane nucleus organelle envelope nuclear inner membrane nuclear envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR003949	Potassium channel, voltage-dependent, EAG	Family
A, B, C, D	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily
A, B, C, D	IPR000700	PAS-associated, C-terminal	Domain
A, B, C, D	IPR005821	Ion transport domain	Domain
A, B, C, D	IPR003938	Potassium channel, voltage-dependent, EAG/ELK/ERG-like	Family
A, B, C, D	IPR000014	PAS domain	Domain
A, B, C, D	IPR000595	Cyclic nucleotide-binding domain	Domain
A, B, C, D	IPR035965	PAS domain superfamily	Homologous Superfamily
A, B, C, D	IPR001610	PAC motif	Repeat
A, B, C, D	IPR050818	Potassium channel, voltage-dependent, EAG/ELK/ERG-like, animal-type	Family
A, B, C, D	IPR018490	Cyclic nucleotide-binding 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.