Annotations: 1UK5

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1uk5a1	All alpha proteins	Spectrin repeat-like	BAG domain	BAG domain	BAG-family molecular chaperone regulator-3	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d1uk5a3	Artifacts	Tags	Tags	Tags	C-terminal Tags	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d1uk5a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	BAG domain	8029472	4002965	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	BAG domain	8041851	3001951	SCOP2 (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	PF02179	e1uk5A1	A: alpha bundles	X: Spectrin repeat-like	H: BAG domain (From Topology)	T: BAG domain	F: PF02179	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.58.120	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02179	BAG domain (BAG)	BAG domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	BAG-family molecular chaperone regulator-3	protein binding binding protein-folding chaperone binding protein-containing complex binding nucleotide binding adenyl-nucleotide exchange factor activity ATPase regulator activity nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding molecular function regulator activity heterocyclic compound binding small molecule binding	regulation of protein stability biological regulation regulation of biological quality protein stabilization autophagosome assembly catabolic process organelle assembly vacuole organization macroautophagy cellular metabolic process autophagy autophagosome organization cellular component biogenesis cellular component organization regulation of protein stability biological regulation regulation of biological quality protein stabilization autophagosome assembly catabolic process organelle assembly vacuole organization macroautophagy cellular metabolic process autophagy autophagosome organization cellular component biogenesis cellular component organization cellular catabolic process organelle organization cellular component assembly cellular process metabolic process cellular component organization or biogenesis process utilizing autophagic mechanism regulation of biological process regulation of cellular process negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death cellular response to stimulus cellular response to heat response to stimulus cellular response to stress response to stress response to heat response to abiotic stimulus response to temperature stimulus muscle cell apoptotic process striated muscle cell apoptotic process protein localization regulation of localization establishment of protein localization nitrogen compound transport nucleocytoplasmic transport nuclear transport positive regulation of establishment of protein localization localization import into nucleus cellular macromolecule localization establishment of localization in cell regulation of intracellular transport positive regulation of protein localization to nucleus organic substance transport positive regulation of protein import into nucleus intracellular transport regulation of nucleocytoplasmic transport protein localization to nucleus establishment of localization establishment of protein localization to organelle positive regulation of protein localization regulation of intracellular protein transport positive regulation of intracellular protein transport intracellular protein transport cellular localization regulation of protein localization transport positive regulation of nucleocytoplasmic transport positive regulation of biological process regulation of protein localization to nucleus positive regulation of protein transport regulation of protein import into nucleus protein import into nucleus positive regulation of intracellular transport positive regulation of cellular process regulation of transport regulation of establishment of protein localization regulation of protein transport positive regulation of transport regulation of cellular localization protein transport macromolecule localization protein localization to organelle extrinsic apoptotic signaling pathway via death domain receptors cell surface receptor signaling pathway signaling extrinsic apoptotic signaling pathway cell communication apoptotic signaling pathway signal transduction negative regulation of establishment of protein localization to mitochondrion protein targeting regulation of protein targeting to mitochondrion negative regulation of protein localization negative regulation of protein targeting to mitochondrion negative regulation of establishment of protein localization regulation of establishment of protein localization to mitochondrion regulation of protein targeting protein localization to mitochondrion protein targeting to mitochondrion establishment of protein localization to mitochondrion signal transduction in absence of ligand extrinsic apoptotic signaling pathway in absence of ligand regulation of muscle cell apoptotic process regulation of striated muscle cell apoptotic process negative regulation of muscle cell apoptotic process negative regulation of striated muscle cell apoptotic process nuclear export regulation of protein export from nucleus protein export from nucleus positive regulation of protein export from nucleus positive regulation of cellular metabolic process regulation of autophagy positive regulation of aggrephagy positive regulation of metabolic process aggrephagy positive regulation of macroautophagy positive regulation of autophagy regulation of cellular metabolic process regulation of aggrephagy regulation of catabolic process positive regulation of catabolic process regulation of macroautophagy regulation of cellular catabolic process positive regulation of cellular catabolic process regulation of metabolic process response to mechanical stimulus response to external stimulus cellular response to mechanical stimulus cellular response to abiotic stimulus cellular response to external stimulus cellular response to environmental stimulus response to organic substance cellular response to topologically incorrect protein cellular response to unfolded protein response to unfolded protein cellular response to chemical stimulus response to chemical response to topologically incorrect protein cellular response to organic substance organonitrogen compound catabolic process organonitrogen compound metabolic process primary metabolic process protein catabolic process macromolecule catabolic process chaperone-mediated autophagy organic substance metabolic process protein metabolic process macromolecule metabolic process organic substance catabolic process cellular homeostasis homeostatic process muscle cell cellular homeostasis	membrane cellular anatomical entity intracellular anatomical structure Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer membrane cellular anatomical entity intracellular anatomical structure Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-containing complex protein folding chaperone complex intracellular protein-containing complex actin filament bundle actin cytoskeleton actomyosin cytoskeleton stress fiber contractile actin filament bundle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036533	BAG domain superfamily	Homologous Superfamily
A	IPR036020	WW domain superfamily	Homologous Superfamily
A	IPR039773	Molecular chaperone regulator BAG	Family
A	IPR003103	BAG domain	Domain
A	IPR001202	WW domain	Domain

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.