5HIT | pdb_00005hit

Crystal Structure Analysis of Ca2+-calmodulin and a C-terminal EAG1 channel fragment

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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	d5hita_	All alpha proteins	EF Hand-like	EF-hand	Calmodulin-like	Calmodulin	Chicken (Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	EF-hand	8037345	3001983	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	Pyridoxal_deC	e5hitA1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Pyridoxal_deC	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	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
B	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
A	Calmodulin	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding protein binding CH domain binding protein domain specific binding cytoskeletal protein binding myosin binding disordered domain specific binding	cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation intracellular signal transduction cell communication calcium-mediated signaling intracellular signaling cassette cellular process signal transduction calcineurin-mediated signaling regulation of calcium ion transport cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation intracellular signal transduction cell communication calcium-mediated signaling intracellular signaling cassette cellular process signal transduction calcineurin-mediated signaling regulation of calcium ion transport regulation of localization transport monoatomic ion transmembrane transport sarcoplasmic reticulum calcium ion transport regulation of monoatomic ion transmembrane transport release of sequestered calcium ion into cytosol by sarcoplasmic reticulum calcium ion transport metal ion transport regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport localization intercellular transport monoatomic ion transport monoatomic cation transport regulation of metal ion transport release of sequestered calcium ion into cytosol by endoplasmic reticulum calcium ion transmembrane import into cytosol regulation of transport regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport establishment of localization transmembrane transport release of sequestered calcium ion into cytosol regulation of transmembrane transport regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum detection of stimulus response to metal ion response to chemical detection of chemical stimulus detection of calcium ion response to calcium ion	cellular anatomical structure myelin sheath intracellular organelle centrosome microtubule organizing center intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle microtubule cytoskeleton membrane-bounded organelle synapse intracellular vesicle cellular anatomical structure myelin sheath intracellular organelle centrosome microtubule organizing center intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle microtubule cytoskeleton membrane-bounded organelle synapse intracellular vesicle transport vesicle membrane endomembrane system presynapse bounding membrane of organelle cytoplasmic vesicle vesicle membrane synaptic vesicle synaptic vesicle membrane cell junction vesicle transport vesicle membrane exocytic vesicle membrane intracellular membrane-bounded organelle cytoplasmic vesicle membrane secretory vesicle cytoplasm organelle membrane exocytic vesicle protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR003949	Potassium channel, voltage-dependent, EAG	Family
B	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily
B	IPR000700	PAS-associated, C-terminal	Domain
B	IPR005821	Ion transport domain	Domain
B	IPR003938	Potassium channel, voltage-dependent, EAG/ELK/ERG-like	Family
B	IPR000014	PAS domain	Domain
B	IPR000595	Cyclic nucleotide-binding domain	Domain
B	IPR035965	PAS domain superfamily	Homologous Superfamily
B	IPR001610	PAC motif	Repeat
B	IPR050818	Potassium channel, voltage-dependent, EAG/ELK/ERG-like, animal-type	Family
B	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily
A	IPR050230	Calmodulin/Myosin light chain/Troponin C-like	Family
A	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A	IPR002048	EF-hand domain	Domain
A	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.