Annotations: 2KXJ

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	UBX	e2kxjA1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: UBX	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.20.90	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Phosphatidylinositol 3-kinase Catalytic Subunit	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00789	UBX domain (UBX)	UBX domain	This domain is present in ubiquitin-regulatory proteins and is a general Cdc48-interacting module [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	UBX domain-containing protein 4	-	cellular response to stimulus catabolic process response to stimulus proteolysis involved in protein catabolic process response to nitrogen compound proteasomal protein catabolic process primary metabolic process protein catabolic process macromolecule catabolic process ERAD pathway cellular response to stress response to chemical response to stress proteolysis cellular response to stimulus catabolic process response to stimulus proteolysis involved in protein catabolic process response to nitrogen compound proteasomal protein catabolic process primary metabolic process protein catabolic process macromolecule catabolic process ERAD pathway cellular response to stress response to chemical response to stress proteolysis cellular process metabolic process protein metabolic process macromolecule metabolic process response to endoplasmic reticulum stress response to topologically incorrect protein response to unfolded protein	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle intracellular organelle organelle envelope organelle nuclear envelope nucleus intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum organelle subcompartment cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle intracellular organelle organelle envelope organelle nuclear envelope nucleus intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum organelle subcompartment membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network organelle membrane endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR029071	Ubiquitin-like domain superfamily	Homologous Superfamily
A	IPR001012	UBX domain	Domain
A	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q92575	Pick disease progressive supranuclear palsy acute myeloid leukemia Becker muscular dystrophy Down syndrome glioblastoma keratoconus malignant ependymoma osteosarcoma plasma cell myeloma rheumatoid arthritis Alzheimer disease colorectal cancer Emery-Dreifuss muscular dystrophy hereditary spastic paraplegia Pick disease progressive supranuclear palsy acute myeloid leukemia Becker muscular dystrophy Down syndrome glioblastoma keratoconus malignant ependymoma osteosarcoma plasma cell myeloma rheumatoid arthritis Alzheimer disease colorectal cancer Emery-Dreifuss muscular dystrophy hereditary spastic paraplegia large cell medulloblastoma medulloblastoma ovarian cancer primitive neuroectodermal tumor atypical teratoid rhabdoid tumor dermatomyositis Gaucher disease juvenile dermatomyositis lung adenocarcinoma myopathy

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.