Annotations: 9DBN

Tarantula venom peptide Protoxin-I bound to full-length human voltage-gated sodium channel 1.8 (NaV1.8)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	omega toxin-like	8082241	3000255	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)
B	WD40	e9dbnB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00520	Ion transport protein (Ion_trans)	Ion transport protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Beta/omega-theraphotoxin-Tp1a	molecular function inhibitor activity channel regulator activity transporter inhibitor activity calcium channel inhibitor activity ion channel inhibitor activity ion channel regulator activity molecular function regulator activity calcium channel regulator activity transporter regulator activity channel inhibitor activity potassium channel regulator activity sodium channel regulator activity toxin activity	-	cellular anatomical structure extracellular region
A	Sodium channel protein type 10 subunit alpha	passive transmembrane transporter activity gated channel activity monoatomic ion channel activity voltage-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity voltage-gated sodium channel activity sodium channel activity sodium ion transmembrane transporter activity passive transmembrane transporter activity gated channel activity monoatomic ion channel activity voltage-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity voltage-gated sodium channel activity sodium channel activity sodium ion transmembrane transporter activity monoatomic cation channel activity metal ion transmembrane transporter activity protein binding binding transmembrane transporter binding	heart process cardiac muscle cell contraction multicellular organismal process system process cardiac muscle cell action potential involved in contraction biological regulation action potential actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction circulatory system process actin filament-based process heart process cardiac muscle cell contraction multicellular organismal process system process cardiac muscle cell action potential involved in contraction biological regulation action potential actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction circulatory system process actin filament-based process cellular process regulation of biological quality actin-mediated cell contraction heart contraction cardiac muscle cell action potential blood circulation regulation of membrane potential regulation of biological process regulation of heart contraction regulation of system process regulation of blood circulation regulation of multicellular organismal process regulation of heart rate cell communication bundle of His cell to Purkinje myocyte signaling cell communication involved in cardiac conduction bundle of His cell to Purkinje myocyte communication bundle of His cell action potential cardiac conduction developmental process anatomical structure morphogenesis odontogenesis of dentin-containing tooth odontogenesis anatomical structure development animal organ development animal organ morphogenesis regulation of cellular process regulation of membrane depolarization membrane depolarization regulation of atrial cardiac muscle cell membrane depolarization AV node cell action potential AV node cell to bundle of His cell signaling AV node cell to bundle of His cell communication membrane depolarization during action potential sensory perception nervous system process regulation of cardiac muscle contraction regulation of muscle system process regulation of striated muscle contraction regulation of muscle contraction transport monoatomic ion transmembrane transport sodium ion transmembrane transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport monoatomic cation transport sodium ion transport regulation of localization regulation of transport regulation of monoatomic ion transport regulation of monoatomic ion transmembrane transport regulation of transmembrane transport	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle cell periphery plasma membrane membrane presynapse synapse extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle cell periphery plasma membrane membrane presynapse synapse cell junction presynaptic membrane plasma membrane region synaptic membrane glutamatergic synapse clathrin coat membrane coat protein-containing complex intracellular anatomical structure membrane protein complex clathrin complex cytoplasm coated membrane sodium channel complex voltage-gated sodium channel complex plasma membrane protein complex cation channel complex transporter complex transmembrane transporter complex monoatomic ion channel complex axon cell projection neuron projection plasma membrane bounded cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR011696	Huwentoxin-1 family	Family
A	IPR001696	Voltage gated sodium channel, alpha subunit	Family
A	IPR058542	SCN5A-like, C-terminal IQ motif	Domain
A	IPR010526	Sodium ion transport-associated domain	Domain
A	IPR005821	Ion transport domain	Domain
A	IPR044564	Voltage-gated sodium channel alpha subunit, inactivation gate	Domain
A	IPR043203	Voltage-gated cation channel calcium and sodium	Family
A	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: Q9Y5Y9	atrial fibrillation Brugada syndrome episodic pain syndrome, familial, 2 ventricular fibrillation neuralgia paroxysmal extreme pain disorder Hyperalgesia atrioventricular dissociation Pediculus humanus capitis infestation premature ejaculation Lennox-Gastaut syndrome scabies tinea pedis epilepsy osteosarcoma atrial fibrillation Brugada syndrome episodic pain syndrome, familial, 2 ventricular fibrillation neuralgia paroxysmal extreme pain disorder Hyperalgesia atrioventricular dissociation Pediculus humanus capitis infestation premature ejaculation Lennox-Gastaut syndrome scabies tinea pedis epilepsy osteosarcoma urethritis hemorrhoid Pthirus pubis infestation tinea corporis ovarian cancer familial atrial fibrillation partial epilepsy postherpetic neuralgia large cell medulloblastoma primary erythermalgia epilepsy with generalized tonic-clonic seizures

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Potassium, Sodium, & Proton Ion-Selective	Na_V1.8 voltage-gated sodium channel, full-length, apo state

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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.