4L1D | pdb_00004l1d

Voltage-gated sodium channel beta3 subunit Ig domain

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C		e4l1dC1	A: DEATH domain	X: 6-phosphogluconate dehydrogenase C-terminal domain-like	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: DUF4170	F:	ECOD (20:10:01)
B		e4l1dB1	A: DEATH domain	X: 6-phosphogluconate dehydrogenase C-terminal domain-like	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: Rep-A_N	F:	ECOD (20:10:01)
A		e4l1dA1	A: jelly-roll	X: Double-stranded beta-helix	H: Double-stranded beta-helix	T: Bromodomain	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
A, B, C	Sodium channel subunit beta-3	1V-LIKE	Homo sapiens (human)	SCN3B	V-LIKE-DOMAIN V-LIKE	RPI	1V-LIKE	IMGT (202609-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Sodium channel subunit beta-3	molecular function inhibitor activity sodium channel inhibitor activity channel regulator activity transporter inhibitor activity ion channel regulator activity ion channel inhibitor activity molecular function regulator activity sodium channel regulator activity transporter regulator activity channel inhibitor activity protein binding binding transmembrane transporter binding monoatomic cation transmembrane transporter activity molecular function inhibitor activity sodium channel inhibitor activity channel regulator activity transporter inhibitor activity ion channel regulator activity ion channel inhibitor activity molecular function regulator activity sodium channel regulator activity transporter regulator activity channel inhibitor activity protein binding binding transmembrane transporter binding monoatomic cation transmembrane transporter activity voltage-gated sodium channel activity involved in cardiac muscle cell action potential voltage-gated sodium channel activity monoatomic ion channel activity sodium channel activity sodium ion transmembrane transporter activity monoatomic cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity	membrane depolarization during action potential membrane depolarization biological regulation membrane depolarization during cardiac muscle cell action potential action potential regulation of biological quality cardiac muscle cell action potential regulation of membrane potential heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process membrane depolarization during action potential membrane depolarization biological regulation membrane depolarization during cardiac muscle cell action potential action potential regulation of biological quality cardiac muscle cell action potential regulation of membrane potential heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process positive regulation of biological process positive regulation of heart rate positive regulation of blood circulation positive regulation of heart contraction circulatory system process regulation of blood circulation positive regulation of multicellular organismal process regulation of multicellular organismal process heart contraction blood circulation regulation of heart rate cardiac muscle cell contraction cardiac muscle cell action potential involved in contraction actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction actin filament-based process cellular process actin-mediated cell contraction regulation of cellular process regulation of membrane depolarization regulation of ventricular cardiac muscle cell membrane depolarization atrial cardiac muscle cell to AV node cell signaling cell communication atrial cardiac muscle cell to AV node cell communication cell communication involved in cardiac conduction atrial cardiac muscle cell action potential cardiac conduction regulation of atrial cardiac muscle cell membrane depolarization localization protein localization to cell periphery cellular localization protein localization to plasma membrane macromolecule localization intracellular protein localization localization within membrane protein localization to membrane SA node cell to atrial cardiac muscle cell signaling SA node cell to atrial cardiac muscle cell communication SA node cell action potential transport monoatomic ion transmembrane transport sodium ion transmembrane transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport monoatomic ion transport monoatomic cation transport sodium ion transport developmental process multicellular organism development anatomical structure development nervous system development system development regulation of localization regulation of transport regulation of monoatomic ion transport regulation of sodium ion transport positive regulation of sodium ion transport positive regulation of transport positive regulation of monoatomic ion transport regulation of metal ion transport regulation of heart rate by cardiac conduction ventricular cardiac muscle cell action potential	cellular anatomical structure membrane intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril cellular anatomical structure membrane intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex cytosol cell periphery plasma membrane protein-containing complex sodium channel complex voltage-gated sodium channel complex plasma membrane protein complex membrane protein complex cation channel complex transporter complex transmembrane transporter complex monoatomic ion channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B, C	IPR013106	Immunoglobulin V-set domain	Domain
A, B, C	IPR003599	Immunoglobulin domain subtype	Domain
A, B, C	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B, C	IPR007110	Immunoglobulin-like domain	Domain
A, B, C	IPR027098	Sodium channel subunit beta-1/beta-3	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C	Pharos: Q9NY72	Brugada syndrome Brugada syndrome 7 familial atrial fibrillation pilocytic astrocytoma astrocytic tumor ATRIAL FIBRILLATION, FAMILIAL, 16 glioblastoma lung carcinoma medulloblastoma ovarian cancer pituitary cancer atrial fibrillation atypical teratoid rhabdoid tumor colorectal cancer large cell medulloblastoma Brugada syndrome Brugada syndrome 7 familial atrial fibrillation pilocytic astrocytoma astrocytic tumor ATRIAL FIBRILLATION, FAMILIAL, 16 glioblastoma lung carcinoma medulloblastoma ovarian cancer pituitary cancer atrial fibrillation atypical teratoid rhabdoid tumor colorectal cancer large cell medulloblastoma malignant ependymoma oligodendroglioma Pick disease psoriasis atrial fibrillation, familial, 1 lung cancer malignant glioma osteosarcoma

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.