Annotations: 8X0T

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Frizzled domain-like	8083832	3001950	SCOP2B (2022-06-29)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H]	Heavy Chain	IGHV3	-	frizzled-8	SAbDab (2025-11-28)
C [auth L]	Light Chain	IGLV3	Lambda	frizzled-8	SAbDab (2025-11-28)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01392	Fz domain (Fz)	Fz domain	Also known as the CRD (cysteine rich domain), the C6 box in MuSK receptor. This domain of unknown function has been independently identified by several groups [1,2,3,4]. The domain contains 10 conserved cysteines.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Frizzled-8	protein binding binding signaling receptor binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity Wnt receptor activity G protein-coupled receptor activity PDZ domain binding protein domain specific binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding enzyme binding Wnt-protein binding	developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development anatomical structure morphogenesis multicellular organism development tube morphogenesis anatomical structure formation involved in morphogenesis anatomical structure development blood vessel development system development developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development anatomical structure morphogenesis multicellular organism development tube morphogenesis anatomical structure formation involved in morphogenesis anatomical structure development blood vessel development system development cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling canonical Wnt signaling pathway biological regulation cell communication cellular process signal transduction Wnt signaling pathway non-canonical Wnt signaling pathway cellular developmental process nervous system development generation of neurons neurogenesis neuron differentiation cell differentiation hemopoiesis cell activation cell development mononuclear cell differentiation lymphocyte activation lymphocyte differentiation leukocyte activation T cell differentiation in thymus T cell activation immune system process T cell differentiation leukocyte differentiation	cellular anatomical structure membrane membrane-bounded organelle intracellular organelle intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system dense core granule intracellular vesicle cytoplasmic vesicle secretory granule cellular anatomical structure membrane membrane-bounded organelle intracellular organelle intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system dense core granule intracellular vesicle cytoplasmic vesicle secretory granule secretory vesicle vesicle neuronal dense core vesicle cell periphery plasma membrane protein-containing complex Wnt-Frizzled-LRP5/6 complex plasma membrane protein complex membrane protein complex
B [auth H]	pF8_AC3 Heavy chain	-	-	-
C [auth L]	pF8_AC3 Light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036790	Frizzled cysteine-rich domain superfamily	Homologous Superfamily
A	IPR015526	Frizzled/secreted frizzled-related protein	Family
A	IPR000539	Frizzled/Smoothened, 7TM	Domain
A	IPR041776	Frizzled 8, cysteine-rich domain	Domain
A	IPR020067	Frizzled domain	Domain
A	IPR017981	GPCR, family 2-like, 7TM	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9H461	Liver Cirrhosis, Experimental astrocytic tumor cystic fibrosis oligodendroglioma psoriasis atypical teratoid rhabdoid tumor glioblastoma malignant ependymoma osteosarcoma breast cancer large cell medulloblastoma malignant glioma ovarian cancer

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.