Annotations: 5KN3

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Ribosomal_L5,Ribosomal_L5_C	e5kn3A1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Ribosomal_L5,Ribosomal_L5_C	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Calsequestrin	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding identical protein binding protein binding	cellular component organization organelle organization cellular process cellular component organization or biogenesis endoplasmic reticulum organization endomembrane system organization cellular component biogenesis protein polymerization cellular component assembly protein-containing complex organization protein-containing complex assembly regulation of store-operated calcium entry regulation of calcium ion transport regulation of localization cellular component organization organelle organization cellular process cellular component organization or biogenesis endoplasmic reticulum organization endomembrane system organization cellular component biogenesis protein polymerization cellular component assembly protein-containing complex organization protein-containing complex assembly regulation of store-operated calcium entry regulation of calcium ion transport regulation of localization regulation of biological process transport regulation of transport regulation of monoatomic ion transport biological regulation establishment of localization calcium ion transport metal ion transport localization store-operated calcium entry monoatomic ion transport monoatomic cation transport regulation of metal ion transport positive regulation of cation transmembrane transport positive regulation of calcium ion transport regulation of cellular process monoatomic ion transmembrane transport positive regulation of biological process regulation of monoatomic ion transmembrane transport regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport intercellular transport positive regulation of monoatomic ion transport positive regulation of calcium ion transmembrane transport positive regulation of transmembrane transport positive regulation of monoatomic ion transmembrane transport positive regulation of release of sequestered calcium ion into cytosol positive regulation of cellular process calcium ion transmembrane import into cytosol regulation of release of sequestered calcium ion into cytosol transmembrane transport release of sequestered calcium ion into cytosol regulation of transmembrane transport positive regulation of transport regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport cellular response to stimulus multicellular organismal process system process response to stimulus regulation of system process sarcoplasmic reticulum calcium ion transport release of sequestered calcium ion into cytosol by sarcoplasmic reticulum intracellular signal transduction cell communication multicellular organismal movement regulation of skeletal muscle contraction by regulation of release of sequestered calcium ion intracellular signaling cassette signal transduction regulation of skeletal muscle contraction by calcium ion signaling release of sequestered calcium ion into cytosol by endoplasmic reticulum skeletal muscle contraction muscle contraction regulation of striated muscle contraction regulation of muscle contraction calcium-mediated signaling signaling striated muscle contraction musculoskeletal movement regulation of skeletal muscle contraction regulation of multicellular organismal process nervous system process neuromuscular process muscle system process regulation of muscle system process regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum response to stress response to heat response to abiotic stimulus response to temperature stimulus cellular developmental process cellular component assembly involved in morphogenesis cell development membraneless organelle assembly muscle cell differentiation muscle structure development striated muscle cell development cellular anatomical entity morphogenesis muscle cell development cell differentiation sarcomere organization anatomical structure development actin filament-based process developmental process actomyosin structure organization actin cytoskeleton organization organelle assembly anatomical structure morphogenesis myofibril assembly anatomical structure formation involved in morphogenesis striated muscle cell differentiation supramolecular fiber organization cytoskeleton organization	intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex membrane-bounded organelle organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system sarcoplasm endoplasmic reticulum subcompartment bounding membrane of organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum sarcoplasmic reticulum sarcoplasmic reticulum membrane organelle membrane endoplasmic reticulum membrane membrane-enclosed lumen sarcoplasmic reticulum lumen intracellular organelle lumen endoplasmic reticulum lumen organelle lumen mitochondrion mitochondrial matrix

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR041858	Calsequestrin, middle TRX-fold domain	Domain
A	IPR001393	Calsequestrin	Family
A	IPR041860	Calsequestrin, C-terminal TRX-fold domain	Domain
A	IPR018233	Calsequestrin, conserved site	Conserved Site
A	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily
A	IPR041859	Calsequestrin, N-terminal TRX-fold domain	Domain

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.