2BCX | pdb_00002bcx

Crystal structure of calmodulin in complex with a ryanodine receptor peptide

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	d2bcxa_	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		e2bcxA1	A: UBC-like	X: UBC-like	H: Concanavalin A-like lectins/glucanases	T: EF-hand_1, EF-hand_7	F:	ECOD (20:10:01)
A		e2bcxA2	A: UBC-like	X: UBC-like	H: Concanavalin A-like lectins/glucanases	T: Pyr_redox_2	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)

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	Ryanodine receptor 1	calcium channel activity monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity gated channel activity monoatomic ion channel activity intracellularly gated calcium channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity channel activity ligand-gated calcium channel activity monoatomic ion transmembrane transporter activity transporter activity calcium channel activity monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity gated channel activity monoatomic ion channel activity intracellularly gated calcium channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity channel activity ligand-gated calcium channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity binding toxic substance binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding calcium-induced calcium release activity ryanodine-sensitive calcium-release channel activity protein binding calmodulin binding identical protein binding cation binding calcium ion binding metal ion binding ATP-gated ion channel activity voltage-gated calcium channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity transmembrane transporter binding disordered domain specific binding protein domain specific binding	multicellular organismal process system process muscle contraction muscle system process striated muscle contraction cellular response to nitrogen compound cellular response to stimulus response to stimulus cellular response to caffeine response to nitrogen compound response to purine-containing compound response to alkaloid cellular response to chemical stimulus response to chemical multicellular organismal process system process muscle contraction muscle system process striated muscle contraction cellular response to nitrogen compound cellular response to stimulus response to stimulus cellular response to caffeine response to nitrogen compound response to purine-containing compound response to alkaloid cellular response to chemical stimulus response to chemical cellular process cellular response to alkaloid cellular response to purine-containing compound response to caffeine inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis cellular response to metal ion response to metal ion cellular response to calcium ion response to calcium ion transport monoatomic ion transmembrane transport establishment of localization calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport monoatomic cation transport calcium ion transmembrane transport developmental process myotube cell development skeletal muscle fiber development cellular developmental process skeletal muscle tissue development animal organ development cell development tissue development muscle cell differentiation myotube differentiation striated muscle tissue development muscle structure development skeletal muscle organ development striated muscle cell development muscle cell development cell differentiation anatomical structure development muscle tissue development muscle organ development striated muscle cell differentiation skin development protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis bone maturation developmental maturation multicellular organism development skeletal system development ossification anatomical structure maturation ossification involved in bone maturation animal organ maturation bone development system development calcium ion transmembrane import into cytosol release of sequestered calcium ion into cytosol release of sequestered calcium ion into cytosol by endoplasmic reticulum sarcoplasmic reticulum calcium ion transport release of sequestered calcium ion into cytosol by sarcoplasmic reticulum heart development heart morphogenesis circulatory system development anatomical structure morphogenesis outflow tract morphogenesis animal organ morphogenesis	membrane-bounded organelle intracellular anatomical structure organelle subcompartment intracellular membrane-bounded organelle endomembrane system sarcoplasm intracellular organelle endoplasmic reticulum subcompartment terminal cisterna cellular anatomical structure organelle endoplasmic reticulum sarcoplasmic reticulum cytoplasm membrane-bounded organelle intracellular anatomical structure organelle subcompartment intracellular membrane-bounded organelle endomembrane system sarcoplasm intracellular organelle endoplasmic reticulum subcompartment terminal cisterna cellular anatomical structure organelle endoplasmic reticulum sarcoplasmic reticulum cytoplasm membrane intracellular membraneless organelle Z disc sarcomere I band membraneless organelle contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex cell periphery sarcolemma plasma membrane smooth endoplasmic reticulum organelle membrane bounding membrane of organelle nuclear outer membrane-endoplasmic reticulum membrane network sarcoplasmic reticulum membrane endoplasmic reticulum membrane protein-containing complex membrane protein complex ryanodine receptor complex transporter complex endoplasmic reticulum protein-containing complex plasma membrane protein complex voltage-gated calcium channel complex cation channel complex transmembrane transporter complex calcium channel complex monoatomic ion channel complex
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 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	IPR036300	Mir domain superfamily	Homologous Superfamily
B	IPR000699	RIH domain	Domain
B	IPR013662	RyR/IP3R Homology associated domain	Domain
B	IPR016093	MIR motif	Domain
B	IPR013320	Concanavalin A-like lectin/glucanase domain superfamily	Homologous Superfamily
B	IPR003877	SPRY domain	Domain
B	IPR001870	B30.2/SPRY domain	Domain
B	IPR009460	Ryanodine Receptor TM 4-6	Domain
B	IPR015925	Ryanodine/Inositol 1,4,5-trisphosphate receptor	Family
B	IPR048581	Ryanodine receptor, junctional solenoid domain	Domain
B	IPR035910	RyR/IP3 receptor binding core, RIH domain superfamily	Homologous Superfamily
B	IPR003032	Ryanodine receptor Ryr	Domain
B	IPR035761	Ryanodine receptor, SPRY domain 1	Domain
B	IPR014821	Inositol 1,4,5-trisphosphate/ryanodine receptor	Domain
B	IPR035764	Ryanodine receptor, SPRY domain 2	Domain
B	IPR013333	Ryanodine receptor	Family
B	IPR043136	B30.2/SPRY domain superfamily	Homologous Superfamily
B	IPR011992	EF-hand domain pair	Homologous Superfamily
B	IPR005821	Ion transport domain	Domain
B	IPR035762	Ryanodine receptor, SPRY domain 3	Domain
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