Annotations: 4AQR

Crystal structure of calmodulin in complex with the regulatory domain of a plasma-membrane Ca2+-ATPase

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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)
B	d4aqrb_	All alpha proteins	EF Hand-like	EF-hand	Calmodulin-like	automated matches	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
A	d4aqra_	All alpha proteins	EF Hand-like	EF-hand	Calmodulin-like	automated matches	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth D]	CaATP_NAI	e4aqrD1	A: beta barrels	X: N0 domain in phage tail proteins and secretins-like	H: regulatory domain of a plasma-membrane Ca2+-ATPase	T: regulatory domain of a plasma-membrane Ca2+-ATPase	F: CaATP_NAI	ECOD (v294.2)
B	RRM_1	e4aqrB1	A: beta barrels	X: beta-Grasp	H: HTH	T: winged helix domain	F: RRM_1	ECOD (v294.2)
A	E1_DerP2_DerF2	e4aqrA1	A: beta barrels	X: Globin-like	H: Nucleoside diphosphate kinases	T: Nucleoside diphosphate kinases	F: E1_DerP2_DerF2	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth D]	1.20.5.170	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth D]	PF12515	Ca2+-ATPase N terminal autoinhibitory domain (CaATP_NAI)	Ca2+-ATPase N terminal autoinhibitory domain	-	Family
A, B	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
C [auth D]	CALCIUM-TRANSPORTING ATPASE 8, PLASMA MEMBRANE-TYPE	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 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 protein binding calmodulin binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity ATP-dependent activity monoatomic cation transmembrane transporter activity P-type transmembrane transporter activity P-type calcium transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity ATPase-coupled monoatomic cation transmembrane transporter activity P-type ion transporter activity active monoatomic ion transmembrane transporter activity active transmembrane transporter activity calcium ion transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity cation binding metal ion binding	biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to external stimulus response to external biotic stimulus response to nematode response to biotic stimulus inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis regulation of cytosolic calcium ion concentration cellular homeostasis chemical homeostasis biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to external stimulus response to external biotic stimulus response to nematode response to biotic stimulus inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis regulation of cytosolic calcium ion concentration cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle cell periphery plasma membrane membrane cell-cell junction symplast anchoring junction membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle cell periphery plasma membrane membrane cell-cell junction symplast anchoring junction cell junction plasmodesma
A, B	CALMODULIN-7	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding enzyme regulator activity molecular function regulator activity	defense response to fungus biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to stress response to external stimulus response to fungus response to external biotic stimulus response to biotic stimulus response to light stimulus developmental process multicellular organismal process regulation of biological process defense response to fungus biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to stress response to external stimulus response to fungus response to external biotic stimulus response to biotic stimulus response to light stimulus developmental process multicellular organismal process regulation of biological process regulation of multicellular organismal development regulation of developmental process biological regulation regulation of response to red or far red light response to red or far red light multicellular organism development regulation of post-embryonic development photomorphogenesis regulation of response to stimulus anatomical structure development regulation of photomorphogenesis response to radiation response to abiotic stimulus post-embryonic development regulation of multicellular organismal process 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 intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth D]	IPR004014	Cation-transporting P-type ATPase, N-terminal	Domain
C [auth D]	IPR023214	HAD superfamily	Homologous Superfamily
C [auth D]	IPR008250	P-type ATPase, A domain superfamily	Homologous Superfamily
C [auth D]	IPR001757	P-type ATPase	Family
C [auth D]	IPR044492	P-type ATPase, haloacid dehalogenase domain	Domain
C [auth D]	IPR024750	Calcium-transporting P-type ATPase, N-terminal autoinhibitory domain	Domain
C [auth D]	IPR006408	P-type ATPase, subfamily IIB	Family
C [auth D]	IPR006068	Cation-transporting P-type ATPase, C-terminal	Domain
C [auth D]	IPR018303	P-type ATPase, phosphorylation site	PTM
C [auth D]	IPR036412	HAD-like superfamily	Homologous Superfamily
C [auth D]	IPR059000	P-type ATPase, A domain	Domain
C [auth D]	IPR023298	P-type ATPase, transmembrane domain superfamily	Homologous Superfamily
C [auth D]	IPR023299	P-type ATPase, cytoplasmic domain N	Homologous Superfamily
A, B	IPR050230	Calmodulin/Myosin light chain/Troponin C-like	Family
A, B	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A, B	IPR002048	EF-hand domain	Domain
A, B	IPR011992	EF-hand domain pair	Homologous Superfamily

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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.