6FX4

Disulfide between E3 HECT ligase Smurf2 and Ubiquitin G76C

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d6fx4b_	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Ubiquitin-like	Ubiquitin-related	Ubiquitin	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d6fx4d_	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)
A	PF00632	e6fx4A1	A: a+b complex topology	X: Hect, E3 ligase catalytic domain (From Topology)	H: Hect, E3 ligase catalytic domain (From Topology)	T: Hect, E3 ligase catalytic domain	F: PF00632	ECOD (1.6)
C	PF00632	e6fx4C1	A: a+b complex topology	X: Hect, E3 ligase catalytic domain (From Topology)	H: Hect, E3 ligase catalytic domain (From Topology)	T: Hect, E3 ligase catalytic domain	F: PF00632	ECOD (1.6)
B	PF00240	e6fx4B1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PF00240	ECOD (1.6)
D	PF00240	e6fx4D1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PF00240	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.2410.10	Alpha Beta	2-Layer Sandwich	Hect, E3 ligase catalytic fold	Hect, E3 ligase catalytic domain	CATH (utative)
C	3.30.2410.10	Alpha Beta	2-Layer Sandwich	Hect, E3 ligase catalytic fold	Hect, E3 ligase catalytic domain	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF00632	HECT-domain (ubiquitin-transferase) (HECT)	HECT-domain (ubiquitin-transferase)	The name HECT comes from Homologous to the E6-AP Carboxyl Terminus.	Domain
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	E3 ubiquitin-protein ligase SMURF2	aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity ubiquitin-like protein ligase activity ubiquitin protein ligase activity transferase activity catalytic activity ubiquitin-protein transferase activity SMAD binding protein binding binding identical protein binding	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process negative regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process cellular response to stimulus cellular response to growth factor stimulus cell surface receptor protein serine/threonine kinase signaling pathway response to stimulus signaling cellular response to transforming growth factor beta stimulus regulation of transmembrane receptor protein serine/threonine kinase signaling pathway regulation of signal transduction regulation of transforming growth factor beta receptor signaling pathway cell communication cellular response to endogenous stimulus signal transduction enzyme-linked receptor protein signaling pathway regulation of signaling cell surface receptor signaling pathway regulation of cellular response to transforming growth factor beta stimulus response to endogenous stimulus regulation of cellular response to growth factor stimulus response to transforming growth factor beta regulation of response to stimulus transforming growth factor beta receptor signaling pathway regulation of cell communication response to growth factor transforming growth factor beta receptor superfamily signaling pathway organonitrogen compound metabolic process protein ubiquitination macromolecule modification protein metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal negative regulation of signaling negative regulation of cellular response to growth factor stimulus negative regulation of BMP signaling pathway negative regulation of cell communication BMP signaling pathway cellular response to BMP stimulus regulation of BMP signaling pathway negative regulation of response to stimulus negative regulation of signal transduction response to BMP negative regulation of transmembrane receptor protein serine/threonine kinase signaling pathway organonitrogen compound catabolic process catabolic process proteolysis involved in protein catabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process organic substance catabolic process Wnt signaling pathway, planar cell polarity pathway non-canonical Wnt signaling pathway Wnt signaling pathway negative regulation of transforming growth factor beta receptor signaling pathway multicellular organismal process multi-multicellular organism process positive regulation of locomotion regulation of cell motility regulation of developmental process regulation of trophoblast cell migration regulation of reproductive process reproductive process positive regulation of biological process positive regulation of cell migration positive regulation of developmental process multicellular organism development ameboidal-type cell migration positive regulation of cell motility anatomical structure development regulation of cell migration cell migration regulation of multicellular organismal process cell motility female pregnancy embryo implantation locomotion positive regulation of cellular process positive regulation of reproductive process trophoblast cell migration developmental process positive regulation of trophoblast cell migration regulation of locomotion positive regulation of multicellular organismal process multi-organism reproductive process positive regulation of cell communication positive regulation of signal transduction regulation of canonical Wnt signaling pathway canonical Wnt signaling pathway positive regulation of response to stimulus positive regulation of Wnt signaling pathway positive regulation of canonical Wnt signaling pathway regulation of Wnt signaling pathway positive regulation of signaling transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen cytoplasm cytosol cell periphery plasma membrane membrane membrane microdomain membrane raft protein-containing complex ubiquitin ligase complex catalytic complex transferase complex intracellular 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 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 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 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	IPR035983	HECT, E3 ligase catalytic domain	Homologous Superfamily
A, C	IPR036020	WW domain superfamily	Homologous Superfamily
A, C	IPR000008	C2 domain	Domain
A, C	IPR000569	HECT domain	Domain
A, C	IPR024928	E3 ubiquitin-protein ligase, SMURF1 type	Family
A, C	IPR035892	C2 domain superfamily	Homologous Superfamily
A, C	IPR001202	WW domain	Domain
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: Q9HAU4	breast cancer hepatocellular carcinoma malignant glioma osteosarcoma Pick disease primitive neuroectodermal tumor gastric cancer hydrolethalus syndrome medulloblastoma ovarian cancer pilocytic astrocytoma spina bifida gastric carcinoma lung carcinoma non-small cell lung carcinoma breast cancer hepatocellular carcinoma malignant glioma osteosarcoma Pick disease primitive neuroectodermal tumor gastric cancer hydrolethalus syndrome medulloblastoma ovarian cancer pilocytic astrocytoma spina bifida gastric carcinoma lung carcinoma non-small cell lung carcinoma pancreatic ductal adenocarcinoma plasma cell myeloma tuberculosis
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.