Annotations: 6SZ5

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	EF-hand	8093610	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	PF00036	e6sz5A1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF00036	ECOD (1.6)
A	PF13499	e6sz5A2	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF13499	ECOD (1.6)

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
B, C	PF08030	Ferric reductase NAD binding domain (NAD_binding_6)	Ferric reductase NAD binding domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Calmodulin-2	cytoskeletal protein binding titin binding protein binding 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 cytoskeletal protein binding titin binding protein binding 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 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 cation binding ion binding calcium ion binding metal ion binding small molecule binding transmembrane transporter binding kinase binding protein kinase binding calcium-dependent protein binding	heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process regulation of biological quality heart contraction blood circulation regulation of heart rate heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process regulation of biological quality heart contraction blood circulation regulation of heart rate positive regulation of phosphoprotein phosphatase activity protein dephosphorylation regulation of cellular process regulation of phosphatase activity regulation of catalytic activity positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process positive regulation of phosphatase activity positive regulation of macromolecule metabolic process phosphorus metabolic process protein modification process positive regulation of phosphorus metabolic process positive regulation of dephosphorylation regulation of dephosphorylation cellular metabolic process dephosphorylation regulation of protein metabolic process regulation of cellular metabolic process primary metabolic process regulation of molecular function regulation of hydrolase activity macromolecule modification regulation of phosphorus metabolic process metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein modification process positive regulation of protein metabolic process positive regulation of biological process positive regulation of cellular metabolic process regulation of phosphoprotein phosphatase activity positive regulation of molecular function positive regulation of protein modification process organic substance metabolic process protein metabolic process positive regulation of cellular process organonitrogen compound metabolic process regulation of protein dephosphorylation positive regulation of catalytic activity positive regulation of protein dephosphorylation regulation of macromolecule metabolic process positive regulation of hydrolase activity cellular process regulation of calcium ion transmembrane transporter activity regulation of calcium ion transport regulation of localization 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 localization negative regulation of cation transmembrane transport monoatomic cation homeostasis monoatomic cation transport intracellular monoatomic ion homeostasis regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport inorganic ion transmembrane transport establishment of localization regulation of cation channel activity inorganic cation transmembrane transport maintenance of location transmembrane transport 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 transport negative regulation of cation channel activity homeostatic process monoatomic ion transmembrane transport negative regulation of monoatomic ion transport regulation of transmembrane transporter activity calcium ion homeostasis regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion metal ion transport negative regulation of transmembrane transport regulation of transporter activity maintenance of location in cell regulation of calcium ion transmembrane transport monoatomic cation 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 monoatomic ion transport intracellular chemical homeostasis regulation of metal ion transport regulation of sequestering of calcium ion 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 response to stimulus response to metal ion response to chemical response to calcium ion response to inorganic substance 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 regulation of cytokinesis regulation of cell cycle process cytokinesis regulation of cell division cell division cell cycle regulation of cell cycle cell cycle process positive regulation of cyclic-nucleotide phosphodiesterase activity regulation of cyclic-nucleotide phosphodiesterase activity cellular response to stimulus cardiac muscle contraction intracellular signal transduction cell communication intracellular signaling cassette signal transduction regulation of cardiac muscle contraction muscle contraction regulation of striated muscle contraction calcium-mediated signaling regulation of muscle contraction signaling regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion striated muscle contraction regulation of cardiac muscle contraction by calcium ion signaling muscle system process regulation of muscle system process positive regulation of phosphorylation regulation of transferase activity positive regulation of protein serine/threonine kinase activity positive regulation of protein phosphorylation protein phosphorylation phosphorylation positive regulation of kinase activity regulation of kinase activity regulation of protein serine/threonine kinase activity regulation of protein phosphorylation positive regulation of protein kinase activity positive regulation of transferase activity regulation of protein kinase activity regulation of phosphorylation 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 peptidyl-threonine phosphorylation negative regulation of phosphate metabolic process negative regulation of cellular metabolic process negative regulation of protein modification process peptidyl-amino acid modification peptidyl-threonine modification negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of metabolic process negative regulation of protein phosphorylation negative regulation of peptidyl-threonine phosphorylation negative regulation of phosphorus metabolic process negative regulation of phosphorylation peptidyl-threonine phosphorylation positive regulation of peptidyl-threonine phosphorylation cell communication by electrical coupling involved in cardiac conduction cell communication by electrical coupling regulation of cell communication by electrical coupling involved in cardiac conduction cardiac conduction regulation of cell communication cell communication involved in cardiac conduction regulation of cell communication by electrical coupling export across plasma membrane negative regulation of calcium ion export across plasma membrane regulation of calcium ion export across plasma membrane calcium ion export across plasma membrane export from cell positive regulation of cation transmembrane transport positive regulation of calcium ion transport positive regulation of monoatomic ion transport positive regulation of monoatomic ion transmembrane transport positive regulation of cation channel activity positive regulation of calcium ion transmembrane transporter activity positive regulation of calcium ion transmembrane transport positive regulation of transmembrane transport positive regulation of release of sequestered calcium ion into cytosol positive regulation of ryanodine-sensitive calcium-release channel activity positive regulation of transport positive regulation of transporter activity positive regulation of ion transmembrane transporter activity developmental process head development animal organ development brain development nervous system development substantia nigra development multicellular organism development central nervous system development midbrain development anatomical structure development neural nucleus development system development regulation of signaling regulation of signal transduction regulation of intracellular signal transduction regulation of response to stimulus regulation of calcium-mediated signaling G protein-coupled receptor signaling pathway protein autophosphorylation regulation of protein autophosphorylation positive regulation of protein autophosphorylation detection of stimulus detection of chemical stimulus detection of calcium ion	intracellular organelle intracellular anatomical structure cytoskeleton spindle organelle intracellular non-membrane-bounded organelle spindle pole cellular anatomical entity microtubule cytoskeleton non-membrane-bounded organelle membrane membrane-bounded organelle cell projection sperm midpiece intracellular organelle intracellular anatomical structure cytoskeleton spindle organelle intracellular non-membrane-bounded organelle spindle pole cellular anatomical entity microtubule cytoskeleton non-membrane-bounded organelle membrane membrane-bounded organelle cell projection sperm midpiece cilium 9+2 motile cilium sperm flagellum motile cilium plasma membrane bounded cell projection cytoplasm protein-containing complex transmembrane transporter complex membrane protein complex cation channel complex transporter complex calcium channel complex monoatomic ion channel complex sarcomere contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex myelin sheath vesicle centrosome microtubule organizing center cell periphery plasma membrane catalytic complex voltage-gated potassium channel complex plasma membrane protein complex potassium channel complex polymeric cytoskeletal fiber spindle microtubule microtubule nucleus intracellular membrane-bounded organelle
B, C	NADPH oxidase 5	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding flavin adenine dinucleotide binding nucleoside phosphate binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding flavin adenine dinucleotide binding nucleoside phosphate binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity monoatomic ion channel activity proton channel activity monoatomic cation channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity purine nucleotide binding adenyl nucleotide binding NADP binding tetrapyrrole binding heme binding oxidoreductase activity superoxide-generating NAD(P)H oxidase activity oxidoreductase activity, acting on NAD(P)H catalytic activity oxidoreductase activity, acting on NAD(P)H, oxygen as acceptor superoxide-generating NADPH oxidase activity	cell population proliferation endothelial cell proliferation cellular process epithelial cell proliferation transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cell population proliferation endothelial cell proliferation cellular process epithelial cell proliferation transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport monoatomic cation transport superoxide metabolic process superoxide anion generation cellular metabolic process reactive oxygen species metabolic process metabolic process cytoskeleton-dependent cytokinesis cytokinesis cell division cell cycle cell cycle process developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis blood vessel development system development apoptotic process cell death programmed cell death regulation of cellular component organization regulation of cellular process sexual reproduction regulation of reproductive process reproductive process membrane fusion fertilization cellular process involved in reproduction in multicellular organism cellular component organization regulation of fusion of sperm to egg plasma membrane fusion of sperm to egg plasma membrane involved in single fertilization plasma membrane organization regulation of multicellular organismal process cellular component organization or biogenesis endomembrane system organization single fertilization membrane organization regulation of biological process plasma membrane fusion biological regulation multicellular organismal reproductive process regulation of plasma membrane organization response to stimulus defense response response to stress positive regulation of biological process regulation of cellular metabolic process positive regulation of cellular metabolic process positive regulation of reactive oxygen species metabolic process positive regulation of metabolic process regulation of metabolic process regulation of reactive oxygen species metabolic process positive regulation of cellular process cellular biosynthetic process positive regulation of macromolecule biosynthetic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process cytokine production regulation of cytokine production positive regulation of macromolecule metabolic process regulation of biosynthetic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of multicellular organismal process regulation of macromolecule biosynthetic process macromolecule metabolic process positive regulation of cytokine production positive regulation of cellular biosynthetic process	cell periphery plasma membrane membrane cellular anatomical entity protein-containing complex catalytic complex plasma membrane protein complex NADPH oxidase complex membrane protein complex oxidoreductase complex membrane-bounded organelle intracellular anatomical structure organelle subcompartment intracellular membrane-bounded organelle cell periphery plasma membrane membrane cellular anatomical entity protein-containing complex catalytic complex plasma membrane protein complex NADPH oxidase complex membrane protein complex oxidoreductase complex membrane-bounded organelle intracellular anatomical structure organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002048	EF-hand domain	Domain
A	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A	IPR011992	EF-hand domain pair	Homologous Superfamily
B, C	IPR017938	Riboflavin synthase-like beta-barrel	Homologous Superfamily
B, C	IPR002048	EF-hand domain	Domain
B, C	IPR011992	EF-hand domain pair	Homologous Superfamily
B, C	IPR013130	Ferric reductase transmembrane component-like domain	Domain
B, C	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
B, C	IPR013112	FAD-binding 8	Domain
B, C	IPR039261	Ferredoxin-NADP reductase (FNR), nucleotide-binding domain	Homologous Superfamily
B, C	IPR017927	FAD-binding domain, ferredoxin reductase-type	Domain
B, C	IPR013121	Ferric reductase, NAD binding domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P0DP24	long QT syndrome long QT syndrome 15 catecholaminergic polymorphic ventricular tachycardia phencyclidine abuse cannabis dependence cocaine abuse cocaine dependence Severe depression atypical teratoid rhabdoid tumor bipolar disorder depressive disorder Brugada syndrome familial long QT syndrome ovarian cancer
B, C	Pharos: Q96PH1	osteosarcoma

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.