Annotations: 1UR6

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ur6a_	Alpha and beta proteins (a+b)	UBC-like	UBC-like	UBC-related	Ubiquitin conjugating enzyme, UBC	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1ur6b_	Small proteins	RING/U-box	RING/U-box	RING finger domain, C3HC4	Not-4 N-terminal RING finger domain	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	UBC-like	8040137	3000570	SCOP2B (2022-06-29)
B	SCOP2 Family	RING finger domain, C3HC4	8029600	4000374	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	RING/U-box like	8041979	3000160	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	UQ_con	e1ur6A1	A: a+b two layers	X: UBC-like	H: UBC-like (From Topology)	T: UBC-like	F: UQ_con	ECOD (1.6)
B	zf-RING_4	e1ur6B1	A: few secondary structure elements	X: RING/U-box-like	H: RING/U-box-like	T: RING/U-box	F: zf-RING_4	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00179	Ubiquitin-conjugating enzyme (UQ_con)	Ubiquitin-conjugating enzyme	Proteins destined for proteasome-mediated degradation may be ubiquitinated. Ubiquitination follows conjugation of ubiquitin to a conserved cysteine residue of UBC homologues. TSG101 is one of several UBC homologues that lacks this active site cystein ...	Proteins destined for proteasome-mediated degradation may be ubiquitinated. Ubiquitination follows conjugation of ubiquitin to a conserved cysteine residue of UBC homologues. TSG101 is one of several UBC homologues that lacks this active site cysteine [4, 5].	Domain
B	PF14570	RING/Ubox like zinc-binding domain (zf-RING_4)	RING/Ubox like zinc-binding domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	UBIQUITIN-CONJUGATING ENZYME E2-17 KDA 2	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding ubiquitin conjugating enzyme activity aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity ubiquitin-like protein conjugating enzyme activity transferase activity catalytic activity ubiquitin-protein transferase activity ubiquitin-like protein ligase activity ubiquitin protein ligase activity	catabolic process proteolysis involved in protein catabolic process primary metabolic process protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process cellular process macromolecule metabolic process protein metabolic process protein polyubiquitination catabolic process proteolysis involved in protein catabolic process primary metabolic process protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process cellular process macromolecule metabolic process protein metabolic process protein polyubiquitination protein ubiquitination macromolecule modification post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal protein K48-linked ubiquitination protein autoubiquitination	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol nucleus extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen nuclear lumen protein-containing complex
B	POTENTIAL TRANSCRIPTIONAL REPRESSOR NOT4HP	aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity transferase activity catalytic activity ubiquitin-protein transferase activity RNA binding binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	catabolic process proteolysis involved in protein catabolic process primary metabolic process protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process cellular process macromolecule metabolic process protein metabolic process regulation of cellular process catabolic process proteolysis involved in protein catabolic process primary metabolic process protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process cellular process macromolecule metabolic process protein metabolic process regulation of cellular process negative regulation of biological process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process post-transcriptional regulation of gene expression regulation of RNA metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of biological quality RNA catabolic process mRNA catabolic process regulation of biological process positive regulation of nucleobase-containing compound metabolic process negative regulation of metabolic process positive regulation of mRNA metabolic process nucleobase-containing compound catabolic process nuclear-transcribed mRNA poly(A) tail shortening positive regulation of RNA metabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process regulation of metabolic process nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay positive regulation of biological process RNA metabolic process mRNA destabilization regulation of mRNA catabolic process negative regulation of cellular process positive regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process nuclear-transcribed mRNA catabolic process RNA destabilization biological regulation regulation of macromolecule metabolic process regulation of catabolic process gene expression macromolecule biosynthetic process mRNA metabolic process nucleic acid metabolic process positive regulation of catabolic process regulation of mRNA stability negative regulation of biosynthetic process positive regulation of mRNA catabolic process regulation of RNA stability regulation of mRNA metabolic process protein autoubiquitination protein ubiquitination macromolecule modification post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal multicellular organismal process cellular developmental process regulation of developmental process regulation of megakaryocyte differentiation megakaryocyte differentiation cell development regulation of cell differentiation regulation of cell development multicellular organism development cell differentiation anatomical structure development regulation of immune system process regulation of multicellular organismal process developmental process regulation of multicellular organismal development hemopoiesis regulation of myeloid cell differentiation myeloid cell differentiation immune system process regulation of hemopoiesis	CCR4-NOT complex protein-containing complex intracellular protein-containing complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016135	Ubiquitin-conjugating enzyme/RWD-like	Homologous Superfamily
A	IPR023313	Ubiquitin-conjugating enzyme, active site	Active Site
A	IPR000608	Ubiquitin-conjugating enzyme E2, catalytic core domain	Domain
B	IPR039515	NOT4, modified RING finger, HC subclass (C4C4-type)	Domain
B	IPR000504	RNA recognition motif domain	Domain
B	IPR000571	Zinc finger, CCCH-type	Domain
B	IPR013083	Zinc finger, RING/FYVE/PHD-type	Homologous Superfamily
B	IPR003954	RNA recognition motif domain, eukaryotes	Domain
B	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
B	IPR034261	CNOT4, RNA recognition motif	Domain
B	IPR039780	CCR4-NOT transcription complex subunit 4	Family
B	IPR001841	Zinc finger, RING-type	Domain
B	IPR035979	RNA-binding domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P62837	astrocytic tumor esophageal squamous cell carcinoma malignant ependymoma osteosarcoma atypical teratoid rhabdoid tumor glioblastoma malignant glioma ovarian cancer breast cancer large cell medulloblastoma malignant mesothelioma plasma cell myeloma
B	Pharos: O95628	astrocytic tumor endogenous depression large cell medulloblastoma ovarian cancer atypical teratoid rhabdoid tumor Gaucher disease medulloblastoma psoriasis bone Paget disease glioblastoma osteosarcoma

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.