1T0J

Crystal structure of a complex between voltage-gated calcium channel beta2a subunit and a peptide of the alpha1c subunit

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
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1t0ja_	All beta proteins	SH3-like barrel	SH3-domain	SH3-domain	SH3-like domain of the L-type calcium channel	Norway rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
B	d1t0jb_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	Nucleotide and nucleoside kinases	Guanylate kinase-like domain of the L-type calcium channel	Norway rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
C	d1t0jc_	Peptides	Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)	Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)	Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)	Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SH3-domain	8058444	3000153	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	P-loop nucleotide/nucleoside kinase-like	8058446	3002021	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	VGCC_beta4Aa_N,SH3_1_2	e1t0jA1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: VGCC_beta4Aa_N,SH3_1_2	ECOD (1.6)
B	Guanylate_kin	e1t0jB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Guanylate_kin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)
B	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00625	Guanylate kinase (Guanylate_kin)	Guanylate kinase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	voltage-gated calcium channel subunit beta2a	protein binding binding protein domain specific binding cytoskeletal protein binding actin binding protein-containing complex binding actin filament binding calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity protein binding binding protein domain specific binding cytoskeletal protein binding actin binding protein-containing complex binding actin filament binding calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity high voltage-gated calcium channel activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity phosphoprotein binding channel regulator activity ion channel regulator activity calcium channel regulator activity molecular function regulator activity transporter regulator activity kinase binding enzyme binding protein kinase binding voltage-gated calcium channel activity involved in regulation of presynaptic cytosolic calcium levels voltage-gated calcium channel activity involved in regulation of cytosolic calcium levels identical protein binding	heart process multicellular organismal process system process cardiac muscle cell action potential involved in contraction signaling atrial cardiac muscle cell to AV node cell signaling regulation of heart contraction regulation of system process cell-cell signaling involved in cardiac conduction membrane depolarization during cardiac muscle cell action potential cardiac muscle contraction striated muscle contraction cell communication circulatory system process actin filament-based process heart process multicellular organismal process system process cardiac muscle cell action potential involved in contraction signaling atrial cardiac muscle cell to AV node cell signaling regulation of heart contraction regulation of system process cell-cell signaling involved in cardiac conduction membrane depolarization during cardiac muscle cell action potential cardiac muscle contraction striated muscle contraction cell communication circulatory system process actin filament-based process regulation of multicellular organismal process regulation of biological quality atrial cardiac muscle cell to AV node cell communication cell communication involved in cardiac conduction blood circulation cardiac muscle cell contraction regulation of biological process atrial cardiac muscle cell action potential membrane depolarization during action potential biological regulation cell-cell signaling action potential actin filament-based movement muscle contraction muscle system process regulation of blood circulation membrane depolarization during atrial cardiac muscle cell action potential cardiac conduction membrane depolarization cellular process actin-mediated cell contraction heart contraction cardiac muscle cell action potential regulation of membrane potential AV node cell action potential membrane depolarization during AV node cell action potential AV node cell to bundle of His cell signaling AV node cell to bundle of His cell communication regulation of localization regulation of calcium ion transport positive regulation of cation transmembrane transport positive regulation of calcium ion transport regulation of cellular process transport monoatomic ion transmembrane transport positive regulation of biological process regulation of monoatomic ion transmembrane transport calcium ion transport metal ion transport monoatomic cation transmembrane transport regulation of calcium ion transmembrane transport localization regulation of calcium ion transmembrane transport via high voltage-gated calcium channel positive regulation of monoatomic ion transport positive regulation of calcium ion transmembrane transport positive regulation of transmembrane transport monoatomic ion transport positive regulation of monoatomic ion transmembrane transport calcium ion transmembrane transport via high voltage-gated calcium channel monoatomic cation transport regulation of metal ion transport positive regulation of cellular process regulation of transport regulation of monoatomic ion transport inorganic ion transmembrane transport establishment of localization positive regulation of calcium ion transmembrane transport via high voltage-gated calcium channel inorganic cation transmembrane transport transmembrane transport regulation of transmembrane transport positive regulation of transport regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport cellular component organization cell junction organization neuromuscular junction development synapse organization cellular component organization or biogenesis protein localization protein localization to cell periphery cellular localization protein localization to plasma membrane cellular macromolecule localization macromolecule localization localization within membrane protein localization to membrane regulation of calcium ion transmembrane transporter activity regulation of voltage-gated calcium channel activity regulation of cation channel activity positive regulation of cation channel activity regulation of molecular function positive regulation of voltage-gated calcium channel activity regulation of transmembrane transporter activity regulation of transporter activity positive regulation of molecular function positive regulation of calcium ion transmembrane transporter activity positive regulation of high voltage-gated calcium channel activity regulation of monoatomic ion transmembrane transporter activity regulation of high voltage-gated calcium channel activity positive regulation of transporter activity positive regulation of ion transmembrane transporter activity calcium ion import trans-synaptic signaling synaptic signaling anterograde trans-synaptic signaling chemical synaptic transmission sensory perception of light stimulus sensory perception nervous system process visual perception regulation of heart rate by cardiac conduction regulation of heart rate	protein-containing complex plasma membrane protein complex sarcolemma voltage-gated calcium channel complex plasma membrane membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex T-tubule L-type voltage-gated calcium channel complex protein-containing complex plasma membrane protein complex sarcolemma voltage-gated calcium channel complex plasma membrane membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex T-tubule L-type voltage-gated calcium channel complex calcium channel complex monoatomic ion channel complex presynapse synapse cell junction photoreceptor ribbon synapse ribbon synapse
B	voltage-gated calcium channel subunit beta2a	protein binding binding protein domain specific binding cytoskeletal protein binding actin binding protein-containing complex binding actin filament binding calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity protein binding binding protein domain specific binding cytoskeletal protein binding actin binding protein-containing complex binding actin filament binding calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity high voltage-gated calcium channel activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity phosphoprotein binding channel regulator activity ion channel regulator activity calcium channel regulator activity molecular function regulator activity transporter regulator activity kinase binding enzyme binding protein kinase binding voltage-gated calcium channel activity involved in regulation of presynaptic cytosolic calcium levels voltage-gated calcium channel activity involved in regulation of cytosolic calcium levels identical protein binding	heart process multicellular organismal process system process cardiac muscle cell action potential involved in contraction signaling atrial cardiac muscle cell to AV node cell signaling regulation of heart contraction regulation of system process cell-cell signaling involved in cardiac conduction membrane depolarization during cardiac muscle cell action potential cardiac muscle contraction striated muscle contraction cell communication circulatory system process actin filament-based process heart process multicellular organismal process system process cardiac muscle cell action potential involved in contraction signaling atrial cardiac muscle cell to AV node cell signaling regulation of heart contraction regulation of system process cell-cell signaling involved in cardiac conduction membrane depolarization during cardiac muscle cell action potential cardiac muscle contraction striated muscle contraction cell communication circulatory system process actin filament-based process regulation of multicellular organismal process regulation of biological quality atrial cardiac muscle cell to AV node cell communication cell communication involved in cardiac conduction blood circulation cardiac muscle cell contraction regulation of biological process atrial cardiac muscle cell action potential membrane depolarization during action potential biological regulation cell-cell signaling action potential actin filament-based movement muscle contraction muscle system process regulation of blood circulation membrane depolarization during atrial cardiac muscle cell action potential cardiac conduction membrane depolarization cellular process actin-mediated cell contraction heart contraction cardiac muscle cell action potential regulation of membrane potential AV node cell action potential membrane depolarization during AV node cell action potential AV node cell to bundle of His cell signaling AV node cell to bundle of His cell communication regulation of localization regulation of calcium ion transport positive regulation of cation transmembrane transport positive regulation of calcium ion transport regulation of cellular process transport monoatomic ion transmembrane transport positive regulation of biological process regulation of monoatomic ion transmembrane transport calcium ion transport metal ion transport monoatomic cation transmembrane transport regulation of calcium ion transmembrane transport localization regulation of calcium ion transmembrane transport via high voltage-gated calcium channel positive regulation of monoatomic ion transport positive regulation of calcium ion transmembrane transport positive regulation of transmembrane transport monoatomic ion transport positive regulation of monoatomic ion transmembrane transport calcium ion transmembrane transport via high voltage-gated calcium channel monoatomic cation transport regulation of metal ion transport positive regulation of cellular process regulation of transport regulation of monoatomic ion transport inorganic ion transmembrane transport establishment of localization positive regulation of calcium ion transmembrane transport via high voltage-gated calcium channel inorganic cation transmembrane transport transmembrane transport regulation of transmembrane transport positive regulation of transport regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport cellular component organization cell junction organization neuromuscular junction development synapse organization cellular component organization or biogenesis protein localization protein localization to cell periphery cellular localization protein localization to plasma membrane cellular macromolecule localization macromolecule localization localization within membrane protein localization to membrane regulation of calcium ion transmembrane transporter activity regulation of voltage-gated calcium channel activity regulation of cation channel activity positive regulation of cation channel activity regulation of molecular function positive regulation of voltage-gated calcium channel activity regulation of transmembrane transporter activity regulation of transporter activity positive regulation of molecular function positive regulation of calcium ion transmembrane transporter activity positive regulation of high voltage-gated calcium channel activity regulation of monoatomic ion transmembrane transporter activity regulation of high voltage-gated calcium channel activity positive regulation of transporter activity positive regulation of ion transmembrane transporter activity calcium ion import trans-synaptic signaling synaptic signaling anterograde trans-synaptic signaling chemical synaptic transmission sensory perception of light stimulus sensory perception nervous system process visual perception regulation of heart rate by cardiac conduction regulation of heart rate	protein-containing complex plasma membrane protein complex sarcolemma voltage-gated calcium channel complex plasma membrane membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex T-tubule L-type voltage-gated calcium channel complex protein-containing complex plasma membrane protein complex sarcolemma voltage-gated calcium channel complex plasma membrane membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex T-tubule L-type voltage-gated calcium channel complex calcium channel complex monoatomic ion channel complex presynapse synapse cell junction photoreceptor ribbon synapse ribbon synapse
C	Voltage-dependent L-type calcium channel alpha-1C subunit	calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity high voltage-gated calcium channel activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity cytoskeletal protein binding protein binding binding alpha-actinin binding actinin binding voltage-gated calcium channel activity involved in cardiac muscle cell action potential calmodulin binding voltage-gated calcium channel activity involved in AV node cell action potential cation binding ion binding metal ion binding small molecule binding	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 multicellular organismal process system process cardiac muscle cell action potential involved in contraction signaling atrial cardiac muscle cell to AV node cell signaling 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 multicellular organismal process system process cardiac muscle cell action potential involved in contraction signaling atrial cardiac muscle cell to AV node cell signaling regulation of heart contraction regulation of system process cell-cell signaling involved in cardiac conduction cardiac muscle contraction striated muscle contraction cell communication circulatory system process actin filament-based process regulation of multicellular organismal process atrial cardiac muscle cell to AV node cell communication cell communication involved in cardiac conduction blood circulation cardiac muscle cell contraction regulation of biological process atrial cardiac muscle cell action potential cell-cell signaling actin filament-based movement muscle contraction muscle system process regulation of blood circulation membrane depolarization during atrial cardiac muscle cell action potential cardiac conduction cellular process actin-mediated cell contraction heart contraction positive regulation of cytosolic calcium ion concentration developmental process heart development multicellular organism development anatomical structure development animal organ development circulatory system development system development calcium ion transmembrane import into cytosol transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization calcium ion transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport monoatomic cation transport calcium ion transport into cytosol calcium ion transmembrane transport immune system development immune system process cell communication by electrical coupling involved in cardiac conduction cell communication by electrical coupling limb development appendage development embryonic forelimb morphogenesis embryonic limb morphogenesis embryonic morphogenesis embryonic appendage morphogenesis embryo development anatomical structure morphogenesis forelimb morphogenesis appendage morphogenesis limb morphogenesis AV node cell action potential membrane depolarization during AV node cell action potential AV node cell to bundle of His cell signaling AV node cell to bundle of His cell communication calcium ion transmembrane transport via high voltage-gated calcium channel sensory organ development eye development visual system development camera-type eye development sensory system development regulation of actin filament-based process regulation of cellular process regulation of ventricular cardiac muscle cell action potential regulation of cardiac muscle cell action potential regulation of action potential ventricular cardiac muscle cell action potential regulation of cardiac muscle contraction regulation of muscle system process regulation of striated muscle contraction regulation of actin filament-based movement regulation of muscle contraction regulation of cardiac muscle cell contraction positive regulation of adenylate cyclase activity positive regulation of cyclase activity regulation of catalytic activity positive regulation of catalytic activity positive regulation of molecular function regulation of molecular function regulation of lyase activity regulation of adenylate cyclase activity regulation of cyclase activity positive regulation of lyase activity positive regulation of biological process positive regulation of muscle contraction positive regulation of multicellular organismal process import into cell import across plasma membrane inorganic cation import across plasma membrane calcium ion import across plasma membrane inorganic ion import across plasma membrane calcium ion import calcium ion import into cytosol cellular response to stimulus regulation of calcium ion transport regulation of localization intracellular calcium ion homeostasis response to stimulus negative regulation of biological process sarcoplasmic reticulum calcium ion transport release of sequestered calcium ion into cytosol by sarcoplasmic reticulum intracellular signal transduction intracellular signaling cassette signal transduction monoatomic cation homeostasis intracellular monoatomic ion homeostasis release of sequestered calcium ion into cytosol by endoplasmic reticulum regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport maintenance of location release of sequestered calcium ion into cytosol regulation of transmembrane transport chemical homeostasis calcium-mediated signaling cellular localization inorganic ion homeostasis homeostatic process calcium ion homeostasis regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion maintenance of location in cell regulation of calcium ion transmembrane transport intracellular monoatomic cation homeostasis monoatomic ion homeostasis negative regulation of cellular process intracellular chemical homeostasis regulation of metal ion transport regulation of sequestering of calcium ion regulation of cardiac muscle contraction by calcium ion signaling regulation of transport sequestering of calcium ion cellular homeostasis regulation of monoatomic cation transmembrane transport regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum regulation of heart rate by cardiac conduction regulation of heart rate	protein-containing complex plasma membrane protein complex sarcolemma voltage-gated calcium channel complex plasma membrane membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex T-tubule L-type voltage-gated calcium channel complex protein-containing complex plasma membrane protein complex sarcolemma voltage-gated calcium channel complex plasma membrane membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex T-tubule L-type voltage-gated calcium channel complex calcium channel complex monoatomic ion channel complex postsynaptic specialization membrane postsynaptic specialization synapse postsynaptic density membrane synaptic membrane postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region somatodendritic compartment cell body perikaryon neuronal cell body intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008145	Guanylate kinase/L-type calcium channel beta subunit	Domain
A	IPR005444	Voltage-dependent calcium channel, L-type, beta-2 subunit	Family
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR000584	Voltage-dependent calcium channel, L-type, beta subunit	Family
A	IPR035605	CACNB2, SH3 domain	Domain
A	IPR001452	SH3 domain	Domain
A	IPR046937	Voltage-dependent L-type calcium channel subunit beta-1-4, N-terminal A domain	Domain
B	IPR008145	Guanylate kinase/L-type calcium channel beta subunit	Domain
B	IPR005444	Voltage-dependent calcium channel, L-type, beta-2 subunit	Family
B	IPR036028	SH3-like domain superfamily	Homologous Superfamily
B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
B	IPR000584	Voltage-dependent calcium channel, L-type, beta subunit	Family
B	IPR035605	CACNB2, SH3 domain	Domain
B	IPR001452	SH3 domain	Domain
B	IPR046937	Voltage-dependent L-type calcium channel subunit beta-1-4, N-terminal A domain	Domain
C	IPR014873	Voltage-dependent calcium channel, alpha-1 subunit, IQ domain	Domain
C	IPR002077	Voltage-dependent calcium channel, alpha-1 subunit	Family
C	IPR031649	Voltage-dependent L-type calcium channel, IQ-associated domain	Domain
C	IPR005451	Voltage-dependent calcium channel, L-type, alpha-1C subunit	Family
C	IPR005821	Ion transport domain	Domain
C	IPR005446	Voltage-dependent calcium channel, L-type, alpha-1 subunit	Family
C	IPR050599	Voltage-dependent calcium channel alpha-1 subunit	Family
C	IPR031688	Voltage-gated calcium channel subunit alpha, C-terminal	Domain
C	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C	Pharos: Q13936	Timothy syndrome Brugada syndrome Brugada syndrome 3 hypertensive disorder long QT syndrome bipolar disorder primary immunodeficiency disease Limb Deformities, Congenital hypoglycemia schizophrenia depressive disorder heart disease intellectual disability major depressive disorder acute coronary syndrome Timothy syndrome Brugada syndrome Brugada syndrome 3 hypertensive disorder long QT syndrome bipolar disorder primary immunodeficiency disease Limb Deformities, Congenital hypoglycemia schizophrenia depressive disorder heart disease intellectual disability major depressive disorder acute coronary syndrome anorexia nervosa atrial fibrillation autism spectrum disorder short QT syndrome bipolar I disorder endogenous depression attention deficit hyperactivity disorder, inattentive type ventricular fibrillation, paroxysmal familial, type 1 cardiomyopathy autism Prinzmetal angina