Annotations: 9Z5Q

HECT domain of NEDD4-2 complex with a targeted nanobody, nb.C11

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Hect, E3 ligase catalytic domain	8084365	3000934	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	Aldedh	e9z5qB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Aldedh	ECOD (v295.2)
A	PAD_N	e9z5qA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: PAD_N	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A	Heavy Chain	IGHV1	-	e3 ubiquitin-protein ligase nedd4-like	SAbDab (2026-10-02)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00397	WW domain (WW)	WW domain	The WW domain is a protein module with two highly conserved tryptophans that binds proline-rich peptide motifs in vitro.	Domain
B	PF00632	HECT-domain (ubiquitin-transferase) (HECT)	HECT-domain (ubiquitin-transferase)	The name HECT comes from Homologous to the E6-AP Carboxyl Terminus.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	E3 ubiquitin-protein ligase NEDD4-like	molecular function inhibitor activity sodium channel inhibitor activity channel regulator activity transporter inhibitor activity ion channel regulator activity ion channel inhibitor activity molecular function regulator activity sodium channel regulator activity transporter regulator activity channel inhibitor activity potassium channel regulator activity potassium channel inhibitor activity aminoacyltransferase activity ubiquitin-like protein transferase activity molecular function inhibitor activity sodium channel inhibitor activity channel regulator activity transporter inhibitor activity ion channel regulator activity ion channel inhibitor activity molecular function regulator activity sodium channel regulator activity transporter regulator activity channel inhibitor activity potassium channel regulator activity potassium channel inhibitor activity 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 protein binding binding transmembrane transporter binding	regulation of localization regulation of biological process regulation of protein localization biological regulation negative regulation of biological process localization negative regulation of protein localization to cell surface protein localization to cell surface macromolecule localization regulation of protein localization to cell surface intracellular protein localization negative regulation of protein localization import into cell receptor internalization regulation of localization regulation of biological process regulation of protein localization biological regulation negative regulation of biological process localization negative regulation of protein localization to cell surface protein localization to cell surface macromolecule localization regulation of protein localization to cell surface intracellular protein localization negative regulation of protein localization import into cell receptor internalization transport cellular process receptor-mediated endocytosis endocytosis establishment of localization vesicle-mediated transport membrane repolarization regulation of membrane repolarization regulation of biological quality regulation of membrane potential cellular component organization cell junction organization neuromuscular junction development synapse organization cellular component organization or biogenesis transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport regulation of potassium ion transport regulation of cellular process negative regulation of monoatomic ion transport potassium ion transmembrane transport negative regulation of transport regulation of monoatomic ion transmembrane transport metal ion transport negative regulation of transmembrane transport monoatomic cation transmembrane transport negative regulation of monoatomic ion transmembrane transport negative regulation of cellular process negative regulation of cation transmembrane transport monoatomic cation transport regulation of metal ion transport negative regulation of potassium ion transport regulation of transport regulation of monoatomic ion transport negative regulation of potassium ion transmembrane transport regulation of potassium ion transmembrane transport regulation of transmembrane transport potassium ion transport regulation of monoatomic cation transmembrane transport catabolic process positive regulation of protein metabolic process positive regulation of biological process macromolecule catabolic process regulation of primary metabolic process positive regulation of metabolic process positive regulation of macromolecule metabolic process protein metabolic process positive regulation of cellular process regulation of protein metabolic process primary metabolic process regulation of macromolecule metabolic process protein catabolic process regulation of catabolic process positive regulation of protein catabolic process positive regulation of catabolic process metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein catabolic process regulation of cellular component organization regulation of synapse organization regulation of synapse structure or activity 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 regulation of membrane depolarization membrane depolarization proteasomal protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process ubiquitin-dependent protein catabolic process regulation of sodium ion import across plasma membrane sodium ion transmembrane transport regulation of sodium ion transport regulation of sodium ion transmembrane transport negative regulation of sodium ion import across plasma membrane import across plasma membrane sodium ion import across plasma membrane negative regulation of sodium ion transmembrane transport inorganic cation import across plasma membrane inorganic ion import across plasma membrane negative regulation of sodium ion transport sodium ion transport positive regulation of cellular component organization caveolin-mediated endocytosis positive regulation of endocytosis regulation of endocytosis regulation of vesicle-mediated transport positive regulation of transport positive regulation of caveolin-mediated endocytosis regulation of caveolin-mediated endocytosis regulation of protein stability protein polyubiquitination protein K48-linked ubiquitination regulation of neuron projection development multicellular organismal process regulation of developmental process cellular developmental process cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis neurogenesis multicellular organism development cell projection morphogenesis neuron differentiation dendrite development neuron projection morphogenesis regulation of dendrite morphogenesis cell differentiation anatomical structure development regulation of anatomical structure morphogenesis system development developmental process plasma membrane bounded cell projection organization regulation of cell projection organization dendrite morphogenesis nervous system development cell morphogenesis involved in neuron differentiation generation of neurons anatomical structure morphogenesis regulation of dendrite development neuron development animal gross anatomical part developmental process regulation of plasma membrane bounded cell projection organization export across plasma membrane potassium ion export across plasma membrane export from cell negative regulation of potassium ion export across plasma membrane regulation of potassium ion export across plasma membrane protein monoubiquitination regulation of growth developmental growth regulation of cell morphogenesis positive regulation of developmental process positive regulation of developmental growth developmental growth involved in morphogenesis positive regulation of dendrite extension cell growth dendrite extension neuron projection extension regulation of developmental growth developmental cell growth growth regulation of dendrite extension positive regulation of cell growth regulation of cell growth positive regulation of growth receptor catabolic process receptor metabolic process heart process cardiac muscle cell contraction system process cardiac muscle cell action potential involved in contraction ventricular cardiac muscle cell action potential action potential actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction circulatory system process actin filament-based process actin-mediated cell contraction heart contraction cardiac muscle cell action potential blood circulation	cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle late endosome multivesicular body nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen Golgi apparatus
A	Nanobody C11 (nb.C11)	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR035983	HECT, E3 ligase catalytic domain	Homologous Superfamily
B	IPR036020	WW domain superfamily	Homologous Superfamily
B	IPR000008	C2 domain	Domain
B	IPR050409	E3 ubiquitin-protein ligase	Family
B	IPR000569	HECT domain	Domain
B	IPR024928	E3 ubiquitin-protein ligase, SMURF1 type	Family
B	IPR035892	C2 domain superfamily	Homologous Superfamily
B	IPR001202	WW domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B	: Q96PU5	periventricular nodular heterotopia endometriosis hypertensive disorder periventricular nodular heterotopia 7 cleft palate lung cancer malignant ependymoma medulloblastoma non-syndromic syndactyly adrenal cortex carcinoma Periventricular Heterotopia, X-Linked pilocytic astrocytoma atypical teratoid rhabdoid tumor psoriasis ulcerative colitis periventricular nodular heterotopia endometriosis hypertensive disorder periventricular nodular heterotopia 7 cleft palate lung cancer malignant ependymoma medulloblastoma non-syndromic syndactyly adrenal cortex carcinoma Periventricular Heterotopia, X-Linked pilocytic astrocytoma atypical teratoid rhabdoid tumor psoriasis ulcerative colitis glioblastoma interstitial cystitis large cell medulloblastoma malignant glioma non-alcoholic fatty liver disease oligodendroglioma appendicitis plasma cell myeloma breast cancer spina bifida cystic fibrosis interstitial lung disease lung adenocarcinoma malignant colon neoplasm malignant mesothelioma non-small cell lung carcinoma ovarian cancer astrocytic tumor polysyndactyly 4 syndactyly ductal breast carcinoma in situ intellectual disability invasive ductal breast carcinoma