Annotations: 6HEK

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d6hekb1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Ubiquitin-like	Ubiquitin-related	Ubiquitin	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d6hekb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d6hekd_	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Ubiquitin-like	Ubiquitin-related	Ubiquitin	Human (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)
B	SCOP2B Superfamily	Ubiquitin-like	8101457	3000157	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Ubiquitin-like	8101457	3000157	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)
B	ubiquitin_1	e6hekB1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: ubiquitin_1	ECOD (1.6)
D	ubiquitin	e6hekD1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: ubiquitin	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF00443	Ubiquitin carboxyl-terminal hydrolase (UCH)	Ubiquitin carboxyl-terminal hydrolase	-	Family
B, D	PF00240	Ubiquitin family (ubiquitin)	Ubiquitin family	This family contains a number of ubiquitin-like proteins: SUMO (smt3 homologue) (see Swiss:Q02724), Nedd8 (see Swiss:P29595), Elongin B (see Swiss:Q15370), Rub1 (see Swiss:Q9SHE7), and Parkin (see Swiss:O60260). A number of them are thought to carry ...	This family contains a number of ubiquitin-like proteins: SUMO (smt3 homologue) (see Swiss:Q02724), Nedd8 (see Swiss:P29595), Elongin B (see Swiss:Q15370), Rub1 (see Swiss:Q9SHE7), and Parkin (see Swiss:O60260). A number of them are thought to carry a distinctive five-residue motif termed the proteasome-interacting motif (PIM), which may have a biologically significant role in protein delivery to proteasomes and recruitment of proteasomes to transcription sites [5].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	Ubiquitin carboxyl-terminal hydrolase 28	cysteine-type peptidase activity ubiquitin-like protein peptidase activity peptidase activity cysteine-type deubiquitinase activity catalytic activity, acting on a protein hydrolase activity catalytic activity deubiquitinase activity	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process protein deubiquitination catabolic process proteolysis involved in protein catabolic process macromolecule catabolic process organic substance metabolic process protein modification by small protein removal modification-dependent macromolecule catabolic process proteolysis cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process protein deubiquitination catabolic process proteolysis involved in protein catabolic process macromolecule catabolic process organic substance metabolic process protein modification by small protein removal modification-dependent macromolecule catabolic process proteolysis nitrogen compound metabolic process protein metabolic process protein modification process organonitrogen compound catabolic process organonitrogen compound metabolic process primary metabolic process protein catabolic process protein deubiquitination involved in ubiquitin-dependent protein catabolic process modification-dependent protein catabolic process macromolecule modification metabolic process ubiquitin-dependent protein catabolic process macromolecule metabolic process post-translational protein modification organic substance catabolic process protein modification by small protein conjugation or removal response to ionizing radiation response to radiation response to abiotic stimulus regulation of protein stability biological regulation regulation of biological quality response to light stimulus cellular response to radiation response to UV cellular response to environmental stimulus cellular response to light stimulus cellular response to abiotic stimulus cellular response to UV cellular metabolic process cellular nitrogen compound metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process heterocycle metabolic process cellular aromatic compound metabolic process DNA repair cell population proliferation regulation of biological process regulation of cellular process signaling signal transduction by p53 class mediator cell death intracellular signal transduction intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator cell communication apoptotic signaling pathway intrinsic apoptotic signaling pathway by p53 class mediator intrinsic apoptotic signaling pathway in response to DNA damage signal transduction apoptotic process intrinsic apoptotic signaling pathway programmed cell death DNA damage checkpoint signaling regulation of cell cycle phase transition negative regulation of biological process negative regulation of cell cycle cell cycle phase transition negative regulation of cellular process negative regulation of cell cycle phase transition cell cycle regulation of cell cycle cell cycle process regulation of cell cycle process DNA integrity checkpoint signaling negative regulation of cell cycle process cell cycle checkpoint signaling signal transduction in response to DNA damage	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear body intracellular organelle nucleoplasm organelle lumen organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen protein-containing complex
B, D	Polyubiquitin-B	protein tag activity molecular tag activity ubiquitin protein ligase binding protein binding binding ubiquitin-like protein ligase binding enzyme binding	developmental process multicellular organismal process reproductive system development gonad development tube development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics seminiferous tubule development developmental process multicellular organismal process reproductive system development gonad development tube development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics seminiferous tubule development anatomical structure development reproductive structure development system development regulation of mitochondrial membrane potential biological regulation regulation of biological quality regulation of membrane potential organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process protein catabolic process macromolecule catabolic process organic substance metabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis nitrogen compound metabolic process metabolic process protein metabolic process macromolecule metabolic process organic substance catabolic process regulation of biological process neuron apoptotic process regulation of cellular process regulation of apoptotic process regulation of programmed cell death cell death cellular process apoptotic process programmed cell death regulation of neuron apoptotic process multicellular organismal-level homeostasis homeostatic process energy homeostasis regulation of protein modification process positive regulation of protein metabolic process positive regulation of biological process regulation of protein ubiquitination positive regulation of post-translational protein modification regulation of primary metabolic process regulation of nitrogen compound metabolic process positive regulation of metabolic process positive regulation of protein modification process protein ubiquitination positive regulation of macromolecule metabolic process regulation of protein modification by small protein conjugation or removal protein modification process positive regulation of protein modification by small protein conjugation or removal positive regulation of protein ubiquitination regulation of post-translational protein modification regulation of protein metabolic process regulation of macromolecule metabolic process positive regulation of nitrogen compound metabolic process macromolecule modification post-translational protein modification regulation of metabolic process protein modification by small protein conjugation protein modification by small protein conjugation or removal cellular response to stimulus positive regulation of cell communication positive regulation of signal transduction response to stimulus signaling positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator regulation of signal transduction regulation of intrinsic apoptotic signaling pathway intracellular signal transduction cell communication positive regulation of apoptotic signaling pathway positive regulation of response to stimulus regulation of intracellular signal transduction regulation of signal transduction by p53 class mediator positive regulation of signal transduction by p53 class mediator signal transduction intrinsic apoptotic signaling pathway positive regulation of cellular process regulation of signaling positive regulation of programmed cell death positive regulation of intracellular signal transduction signal transduction by p53 class mediator positive regulation of apoptotic process apoptotic signaling pathway regulation of response to stimulus regulation of cell communication intrinsic apoptotic signaling pathway by p53 class mediator positive regulation of intrinsic apoptotic signaling pathway regulation of intrinsic apoptotic signaling pathway by p53 class mediator regulation of apoptotic signaling pathway positive regulation of signaling cellular developmental process cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis cellular component organization neurogenesis cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation cellular component organization or biogenesis plasma membrane bounded cell projection organization nervous system development generation of neurons anatomical structure morphogenesis neuron development hypothalamus development forebrain development central nervous system neuron development central nervous system neuron differentiation hypothalamus cell differentiation hypothalamus gonadotrophin-releasing hormone neuron development limbic system development head development forebrain generation of neurons hypothalamus gonadotrophin-releasing hormone neuron differentiation brain development diencephalon development forebrain neuron development central nervous system development forebrain neuron differentiation sexual reproduction organelle fission meiotic cell cycle multicellular organismal reproductive process female gamete generation meiotic cell cycle process gamete generation nuclear division organelle organization meiosis I meiosis I cell cycle process female meiosis I female meiotic nuclear division meiotic nuclear division cell cycle cell cycle process positive regulation of protein monoubiquitination protein monoubiquitination regulation of protein monoubiquitination regulation of proteolysis involved in protein catabolic process regulation of proteolysis proteasomal protein catabolic process regulation of catabolic process regulation of proteasomal protein catabolic process regulation of protein catabolic process male meiosis I male meiotic nuclear division male gamete generation connective tissue development adipose tissue development fat pad development tissue development female gonad development female sex differentiation development of primary female sexual characteristics establishment of organelle localization cellular localization organelle transport along microtubule transport establishment of mitochondrion localization intracellular transport establishment of localization localization mitochondrion localization establishment of mitochondrion localization, microtubule-mediated mitochondrion transport along microtubule organelle localization establishment of localization in cell microtubule-based transport transport along microtubule cytoskeleton-dependent intracellular transport microtubule-based movement microtubule-based process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle vesicle extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle vesicle extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space extracellular membrane-bounded organelle cytosol cell periphery plasma membrane membrane nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen organelle subcompartment endomembrane system endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum organelle membrane endoplasmic reticulum membrane cell projection neuron projection plasma membrane bounded cell projection intracellular vesicle cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane endocytic vesicle membrane endocytic vesicle endosome membrane endosome mitochondrial membrane organelle outer membrane organelle envelope mitochondrial envelope mitochondrial outer membrane outer membrane somatodendritic compartment cell body neuronal cell body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR028889	Ubiquitin specific protease domain	Domain
A, C	IPR018200	Ubiquitin specific protease, conserved site	Conserved Site
A, C	IPR001394	Peptidase C19, ubiquitin carboxyl-terminal hydrolase	Domain
A, C	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
A, C	IPR009060	UBA-like superfamily	Homologous Superfamily
B, D	IPR019954	Ubiquitin conserved site	Conserved Site
B, D	IPR000626	Ubiquitin-like domain	Domain
B, D	IPR019956	Ubiquitin domain	Domain
B, D	IPR029071	Ubiquitin-like domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, C	Pharos: Q96RU2	prostate cancer attention deficit hyperactivity disorder, inattentive type osteosarcoma prostate carcinoma large cell medulloblastoma ovarian cancer Prostatic Neoplasms non-small cell lung carcinoma
B, D	Pharos: P0CG47	astrocytic tumor cleft soft palate lung cancer Cleft of hard palate ovarian cancer isolated cleft palate

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.