3WFN

Crystal Structure of Nav1.6 IQ motif in complex with apo-CaM

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	EF-hand_7_5	e3wfnB3	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_5	ECOD (1.6)
A [auth B]	EF-hand_7_8,IQ_like	e3wfnB4	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_8,IQ_like	ECOD (1.6)
B [auth C]	EF-hand_7_5	e3wfnC5	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_5	ECOD (1.6)
B [auth C]	EF-hand_7_8,IQ_like	e3wfnC6	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_8,IQ_like	ECOD (1.6)
C [auth D]	EF-hand_7_5	e3wfnD5	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_5	ECOD (1.6)
C [auth D]	EF-hand_7_8,IQ_like	e3wfnD6	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_8,IQ_like	ECOD (1.6)
D [auth E]	EF-hand_7_5	e3wfnE5	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_5	ECOD (1.6)
D [auth E]	EF-hand_7_8,IQ_like	e3wfnE6	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_8,IQ_like	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth C], C [auth D], D [auth E]	PF00612	IQ calmodulin-binding motif (IQ)	IQ calmodulin-binding motif	-	Motif
A [auth B], B [auth C], C [auth D], D [auth E]	PF13499	EF-hand domain pair (EF-hand_7)	EF-hand domain pair	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth C], C [auth D], D [auth E]	Calmodulin, Sodium channel protein type 8 subunit alpha	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule 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 inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity cation binding alkali metal ion binding sodium ion binding metal ion binding cytoskeletal protein binding titin binding protein binding enzyme regulator activity protein phosphatase activator activity enzyme activator activity phosphatase activator activity molecular function activator activity phosphatase regulator activity molecular function regulator activity protein phosphatase regulator activity enzyme binding adenylate cyclase binding phosphatidylinositol 3-kinase binding nitric-oxide synthase regulator activity molecular function inhibitor activity channel regulator activity transporter inhibitor activity calcium channel inhibitor activity ion channel inhibitor activity ion channel regulator activity calcium channel regulator activity transporter regulator activity channel inhibitor activity cyclase regulator activity cyclase activator activity adenylate cyclase regulator activity adenylate cyclase activator activity protein serine/threonine kinase activator activity kinase activator activity protein kinase activator activity protein kinase regulator activity kinase regulator activity nitric-oxide synthase binding calcium ion binding protein domain specific binding signaling receptor binding type 3 metabotropic glutamate receptor binding glutamate receptor binding G protein-coupled receptor binding G protein-coupled glutamate receptor binding transmembrane transporter binding kinase binding protein kinase binding calcium-dependent protein binding	behavior multicellular organismal process locomotory behavior developmental process muscle structure development animal organ development anatomical structure development muscle organ development membrane depolarization during action potential membrane depolarization biological regulation action potential regulation of biological quality regulation of membrane potential behavior multicellular organismal process locomotory behavior developmental process muscle structure development animal organ development anatomical structure development muscle organ development membrane depolarization during action potential membrane depolarization biological regulation action potential regulation of biological quality regulation of membrane potential response to stimulus response to chemical response to toxic substance transport monoatomic ion transmembrane transport sodium ion transmembrane transport inorganic ion transmembrane transport establishment of localization metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport sodium ion transport system process nervous system process transmission of nerve impulse cell communication neuronal action potential sensory perception sensory perception of sound sensory perception of mechanical stimulus multicellular organism development nerve development nervous system development system development adult walking behavior adult locomotory behavior adult behavior walking behavior organelle localization by membrane tethering organelle localization membrane docking heart process regulation of biological process regulation of heart contraction regulation of system process circulatory system process regulation of blood circulation regulation of multicellular organismal process heart contraction blood circulation regulation of heart rate regulation of calcium ion transmembrane transporter activity regulation of calcium ion transport regulation of localization regulation of cellular process negative regulation of ion transmembrane transporter activity negative regulation of calcium ion transmembrane transporter activity intracellular calcium ion homeostasis negative regulation of biological process negative regulation of ryanodine-sensitive calcium-release channel activity negative regulation of transport calcium ion transport negative regulation of cation transmembrane transport monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport regulation of cation channel activity maintenance of location regulation of molecular function release of sequestered calcium ion into cytosol regulation of transmembrane transport chemical homeostasis negative regulation of calcium ion transmembrane transport cellular localization inorganic ion homeostasis negative regulation of cation channel activity homeostatic process negative regulation of monoatomic ion transport positive regulation of biological process regulation of transmembrane transporter activity calcium ion homeostasis regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion negative regulation of transmembrane transport regulation of transporter activity maintenance of location in cell regulation of calcium ion transmembrane transport positive regulation of sequestering of calcium ion negative regulation of monoatomic ion transmembrane transport negative regulation of release of sequestered calcium ion into cytosol intracellular monoatomic cation homeostasis negative regulation of cellular process monoatomic ion homeostasis intracellular chemical homeostasis regulation of metal ion transport regulation of sequestering of calcium ion positive regulation of cellular process regulation of monoatomic ion transmembrane transporter activity calcium ion transmembrane import into cytosol regulation of transport sequestering of calcium ion negative regulation of transporter activity negative regulation of molecular function negative regulation of calcium ion transport cellular homeostasis regulation of ryanodine-sensitive calcium-release channel activity regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport sarcoplasmic reticulum calcium ion transport release of sequestered calcium ion into cytosol by sarcoplasmic reticulum release of sequestered calcium ion into cytosol by endoplasmic reticulum regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum cellular component disassembly catabolic process macroautophagy protein-containing complex organization cellular metabolic process autophagy protein-containing complex disassembly cellular catabolic process cellular component organization autophagosome maturation autophagosome membrane docking metabolic process cellular component organization or biogenesis process utilizing autophagic mechanism cellular response to interferon-beta response to peptide response to interferon-beta response to cytokine cellular response to cytokine stimulus regulation of cytokinesis regulation of cell cycle process cytokinesis regulation of cell division cell division cell cycle regulation of cell cycle cell cycle process mitochondrion-endoplasmic reticulum membrane tethering import into cell presynaptic endocytosis vesicle-mediated transport vesicle-mediated transport in synapse establishment of localization in cell endocytosis cell cycle G2/M phase transition mitotic cell cycle process G2/M transition of mitotic cell cycle cell cycle phase transition mitotic cell cycle mitotic cell cycle phase transition regulation of cardiac muscle contraction cardiac muscle contraction muscle contraction muscle system process regulation of muscle system process striated muscle contraction regulation of striated muscle contraction regulation of muscle contraction biological process involved in interspecies interaction between organisms immune response response to other organism defense response response to type II interferon defense response to symbiont response to external stimulus cellular response to type II interferon response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus cellular response to stimulus positive regulation of cell communication cell surface receptor signaling pathway via STAT positive regulation of signal transduction signaling positive regulation of receptor signaling pathway via STAT regulation of signal transduction positive regulation of receptor signaling pathway via JAK-STAT positive regulation of response to stimulus regulation of receptor signaling pathway via JAK-STAT signal transduction regulation of signaling cell surface receptor signaling pathway regulation of response to stimulus regulation of cell communication regulation of receptor signaling pathway via STAT cell surface receptor signaling pathway via JAK-STAT positive regulation of signaling regulation of action potential regulation of cardiac muscle cell action potential cardiac muscle cell action potential detection of stimulus response to metal ion detection of chemical stimulus detection of calcium ion response to calcium ion	postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane cellular anatomical entity postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane cellular anatomical entity postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region intracellular anatomical structure Z disc sarcomere intracellular organelle I band intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle axon cell projection main axon neuron projection node of Ranvier plasma membrane bounded cell projection parallel fiber to Purkinje cell synapse excitatory synapse protein-containing complex sodium channel complex transmembrane transporter complex membrane protein complex cation channel complex transporter complex monoatomic ion channel complex somatodendritic compartment dendrite dendritic tree axon initial segment glutamatergic synapse presynaptic active zone membrane presynaptic membrane presynapse presynaptic active zone voltage-gated sodium channel complex plasma membrane protein complex cell body neuronal cell body cytoskeleton spindle spindle pole microtubule cytoskeleton cytosol membrane-bounded organelle sperm midpiece cilium 9+2 motile cilium sperm flagellum motile cilium calcium channel complex axon terminus distal axon calyx of Held neuron projection terminus myelin sheath centrosome microtubule organizing center catalytic complex growth cone site of polarized growth nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen voltage-gated potassium channel complex potassium channel complex polymeric cytoskeletal fiber spindle microtubule microtubule

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth C], C [auth D], D [auth E]	IPR024583	Voltage-gated Na+ ion channel, cytoplasmic domain	Domain
A [auth B], B [auth C], C [auth D], D [auth E]	IPR001696	Voltage gated sodium channel, alpha subunit	Family
A [auth B], B [auth C], C [auth D], D [auth E]	IPR000048	IQ motif, EF-hand binding site	Binding Site
A [auth B], B [auth C], C [auth D], D [auth E]	IPR010526	Sodium ion transport-associated domain	Domain
A [auth B], B [auth C], C [auth D], D [auth E]	IPR005821	Ion transport domain	Domain
A [auth B], B [auth C], C [auth D], D [auth E]	IPR008054	Voltage gated sodium channel, alpha-8 subunit	Family
A [auth B], B [auth C], C [auth D], D [auth E]	IPR044564	Voltage-gated sodium channel alpha subunit, inactivation gate	Domain
A [auth B], B [auth C], C [auth D], D [auth E]	IPR043203	Voltage-gated cation channel calcium and sodium	Family
A [auth B], B [auth C], C [auth D], D [auth E]	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily
A [auth B], B [auth C], C [auth D], D [auth E]	IPR002048	EF-hand domain	Domain
A [auth B], B [auth C], C [auth D], D [auth E]	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A [auth B], B [auth C], C [auth D], D [auth E]	IPR050145	Calmodulin and Centrin Calcium-Binding Families	Family
A [auth B], B [auth C], C [auth D], D [auth E]	IPR011992	EF-hand domain pair	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 R01GM133198.