4MZ3 | pdb_00004mz3

Crystal structure of the voltage-gated sodium channel beta 4 subunit extracellular domain, C131W mutant

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
B	C2	e4mz3B1	A: a/b three-layered sandwiches	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: C2	ECOD (v294.1)
A	C2	e4mz3A1	A: a/b three-layered sandwiches	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: C2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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	Sodium channel subunit beta-4	monoatomic cation transmembrane transporter activity 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 protein binding binding monoatomic cation transmembrane transporter activity 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 protein binding binding transmembrane transporter binding channel regulator activity ion channel regulator activity molecular function regulator activity sodium channel regulator activity transporter regulator activity voltage-gated sodium channel activity involved in cardiac muscle cell action potential	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 cardiac muscle cell contraction multicellular organismal process system process cardiac muscle cell action potential involved in contraction actin filament-based movement 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 cardiac muscle cell contraction multicellular organismal process system process cardiac muscle cell action potential involved in contraction actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction circulatory system process actin filament-based process cellular process actin-mediated cell contraction heart contraction blood circulation cardiac muscle cell membrane repolarization regulation of biological process membrane repolarization regulation of membrane repolarization ventricular cardiac muscle cell membrane repolarization regulation of cardiac muscle cell membrane repolarization regulation of ventricular cardiac muscle cell membrane repolarization AV node cell action potential regulation of heart contraction regulation of system process cell communication regulation of multicellular organismal process cell communication involved in cardiac conduction AV node cell to bundle of His cell signaling regulation of blood circulation AV node cell to bundle of His cell communication cardiac conduction localization cellular localization establishment of localization in cell establishment of localization transport monoatomic ion transmembrane transport sodium ion transmembrane transport metal ion transport monoatomic cation transmembrane transport transmembrane transport monoatomic ion transport monoatomic cation transport sodium ion transport nervous system process transmission of nerve impulse neuronal action potential regulation of localization regulation of transport regulation of monoatomic ion transport positive regulation of biological process 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 regulation of heart rate	cell periphery cellular anatomical structure plasma membrane 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 cell-cell junction cell periphery cellular anatomical structure plasma membrane 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 cell-cell junction intercalated disc anchoring junction cell junction cell-cell contact zone

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B	IPR000920	Myelin P0 protein-related	Family
A, B	IPR013106	Immunoglobulin V-set domain	Domain
A, B	IPR003599	Immunoglobulin domain subtype	Domain
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q8IWT1	long QT syndrome long QT syndrome 10 familial atrial fibrillation lung adenocarcinoma Sudden infant death syndrome non-small cell lung carcinoma malignant glioma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia primitive neuroectodermal tumor adrenal cortex carcinoma breast carcinoma interstitial cystitis medulloblastoma pancreatic intraductal papillary-mucinous carcinoma long QT syndrome long QT syndrome 10 familial atrial fibrillation lung adenocarcinoma Sudden infant death syndrome non-small cell lung carcinoma malignant glioma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia primitive neuroectodermal tumor adrenal cortex carcinoma breast carcinoma interstitial cystitis medulloblastoma pancreatic intraductal papillary-mucinous carcinoma Pick disease atrial fibrillation atypical teratoid rhabdoid tumor cardiomyopathy familial long QT syndrome invasive ductal breast carcinoma long QT syndrome 1 malignant ependymoma pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma atrial fibrillation, familial, 1 breast cancer ductal breast carcinoma in situ glioblastoma large cell medulloblastoma

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.