Annotations: 3Q5X

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Nuclear proteasome tether protein Cut8-like	8093284	3002694	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	PF08559	e3q5xA1	A: alpha arrays	X: Toxins' membrane translocation domains	H: Tethering factor for nuclear proteasome cut8 (From Topology)	T: Tethering factor for nuclear proteasome cut8	F: PF08559	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.58.1590	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	PF08559	Cut8, nuclear proteasome tether protein (Cut8)	Cut8, nuclear proteasome tether protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Protein cut8	protein-containing complex binding binding proteasome binding sterol binding organic cyclic compound binding steroid binding lipid binding identical protein binding protein binding	cellular response to stimulus response to organic substance catabolic process response to stimulus proteolysis involved in protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process cellular response to misfolded protein response to misfolded protein organic substance metabolic process cellular response to stress modification-dependent macromolecule catabolic process proteolysis response to stress cellular response to stimulus response to organic substance catabolic process response to stimulus proteolysis involved in protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process cellular response to misfolded protein response to misfolded protein organic substance metabolic process cellular response to stress modification-dependent macromolecule catabolic process proteolysis response to stress protein metabolic process cellular response to organic substance organonitrogen compound catabolic process organonitrogen compound metabolic process cellular response to topologically incorrect protein primary metabolic process proteasomal protein catabolic process protein catabolic process nuclear protein quality control by the ubiquitin-proteasome system cellular response to chemical stimulus modification-dependent protein catabolic process response to chemical response to topologically incorrect protein ubiquitin-dependent protein catabolic process metabolic process cellular process macromolecule metabolic process protein quality control for misfolded or incompletely synthesized proteins organic substance catabolic process localization proteasome localization protein-containing complex localization	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle lumen intracellular organelle organelle lumen organelle nuclear periphery nuclear lumen organelle envelope nuclear envelope membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle lumen intracellular organelle organelle lumen organelle nuclear periphery nuclear lumen organelle envelope nuclear envelope endomembrane system protein-containing complex protein-DNA complex intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR013868	Tethering factor for nuclear proteasome Cut8/Sts1	Family
A	IPR038422	Cut8/Sts1 superfamily	Homologous Superfamily

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 R01GM133198.