Annotations: 3PST

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	ARM repeat-like	8055784	3000116	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PFU(mutate) domain-like	8055782	3002311	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	PF08324	e3pstA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF08324	ECOD (1.6)
A	PF09070	e3pstA2	A: a+b two layers	X: ubiquitin-binding domain from PLAA (From Topology)	H: ubiquitin-binding domain from PLAA (From Topology)	T: ubiquitin-binding domain from PLAA	F: PF09070	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.20.870	Alpha Beta	Roll	Ubiquitin-like (UB roll)	PFU (PLAA family ubiquitin binding), C-terminal domain	CATH (4.3.0)
A	1.25.10.10	Mainly Alpha	Alpha Horseshoe	Leucine-rich Repeat Variant	Leucine-rich Repeat Variant	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08324	PUL domain (PUL)	PUL domain	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Protein DOA1	ubiquitin-modified protein reader activity protein binding binding modification-dependent protein binding protein-macromolecule adaptor activity ubiquitin-like protein reader activity molecular adaptor activity protein-containing complex binding ubiquitin binding ubiquitin-like protein binding	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process mitochondria-associated ubiquitin-dependent protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process organic substance metabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process mitochondria-associated ubiquitin-dependent protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process organic substance metabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process organic substance catabolic process cellular homeostasis homeostatic process ubiquitin recycling cellular catabolic process ribophagy macroautophagy cellular metabolic process autophagy cellular process process utilizing autophagic mechanism cellular response to stimulus double-strand break repair response to stimulus double-strand break repair via nonhomologous end joining DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process cellular response to stress DNA damage response response to stress DNA repair	endosome membrane membrane-bounded organelle intracellular anatomical structure membrane endosome intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle endosome membrane membrane-bounded organelle intracellular anatomical structure membrane endosome intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane mitochondrial membrane mitochondrion cytoplasmic side of membrane organelle outer membrane cytoplasmic side of mitochondrial outer membrane side of membrane organelle envelope mitochondrial envelope mitochondrial outer membrane outer membrane nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR038122	PFU domain superfamily	Homologous Superfamily
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR015155	PLAA family ubiquitin binding domain	Domain
A	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
A	IPR011989	Armadillo-like helical	Homologous Superfamily
A	IPR013535	PUL domain	Domain
A	IPR001680	WD40 repeat	Repeat
A	IPR020472	G-protein beta WD-40 repeat	Repeat
A	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily

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.