Annotations: 8JH7

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (2022-06-29)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth H]	Heavy Chain	IGHV3	-	frizzled-6,soluble cytochrome b562	SAbDab (2025-12-19)
B [auth K]	Heavy Chain	IGHV1	-	-	SAbDab (2025-12-19)
C [auth L]	Light Chain	IGKV1	Kappa	frizzled-6,soluble cytochrome b562	SAbDab (2025-12-19)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
D	PF07361	Cytochrome b562 (Cytochrom_B562)	Cytochrome b562	-	Family
D	PF01534	Frizzled/Smoothened family membrane region (Frizzled)	Frizzled/Smoothened family membrane region	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth H]	anti-BRIL Fab Heavy chain	-	-	-
B [auth K]	anti-Fab Nanobody	-	-	-
C [auth L]	anti-BRIL Fab Light chain	-	-	-
D	Frizzled-6,Soluble cytochrome b562	molecular transducer activity transmembrane signaling receptor activity signaling receptor activity Wnt receptor activity G protein-coupled receptor activity ubiquitin protein ligase binding protein binding binding ubiquitin-like protein ligase binding enzyme binding Wnt-protein binding tetrapyrrole binding heme binding electron transfer activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity Wnt receptor activity G protein-coupled receptor activity ubiquitin protein ligase binding protein binding binding ubiquitin-like protein ligase binding enzyme binding Wnt-protein binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	developmental process multicellular organismal process limb development appendage development embryonic morphogenesis embryonic limb morphogenesis embryo development embryonic appendage morphogenesis embryonic nail plate morphogenesis multicellular organism development anatomical structure morphogenesis nail development appendage morphogenesis anatomical structure development developmental process multicellular organismal process limb development appendage development embryonic morphogenesis embryonic limb morphogenesis embryo development embryonic appendage morphogenesis embryonic nail plate morphogenesis multicellular organism development anatomical structure morphogenesis nail development appendage morphogenesis anatomical structure development embryonic digit morphogenesis limb morphogenesis 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 head development cell population proliferation animal organ development brain development nervous system development central nervous system development cell proliferation in midbrain midbrain development neural precursor cell proliferation system development ear morphogenesis embryonic organ morphogenesis ear development sensory organ development sensory organ morphogenesis inner ear development inner ear morphogenesis animal organ morphogenesis embryonic organ development non-canonical Wnt signaling pathway negative regulation of signaling regulation of canonical Wnt signaling pathway negative regulation of biological process regulation of signal transduction negative regulation of cell communication negative regulation of Wnt signaling pathway negative regulation of cellular process regulation of signaling regulation of Wnt signaling pathway negative regulation of response to stimulus negative regulation of signal transduction negative regulation of canonical Wnt signaling pathway regulation of response to stimulus regulation of cell communication epithelium development epidermis development molting cycle process hair cycle tissue development skin development skin epidermis development hair follicle development molting cycle hair cycle process embryonic epithelial tube formation chordate embryonic development tube formation epithelial tube formation tube morphogenesis primary neural tube formation embryo development ending in birth or egg hatching epithelial tube morphogenesis morphogenesis of embryonic epithelium neural tube development tube development morphogenesis of an epithelium tissue morphogenesis neural tube closure neural tube formation anatomical structure formation involved in morphogenesis tube closure regulation of body fluid levels wound healing cell activation hemostasis blood coagulation response to stress coagulation regulation of biological quality response to wounding platelet activation Wnt signaling pathway, planar cell polarity pathway establishment of planar polarity establishment of body hair or bristle planar orientation establishment of tissue polarity morphogenesis of a polarized epithelium establishment of body hair planar orientation brain morphogenesis midbrain morphogenesis RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule 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 electron transport chain generation of precursor metabolites and energy	membrane-bounded organelle cell projection cellular anatomical structure organelle cilium plasma membrane bounded cell projection cell periphery apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane cell surface apicolateral plasma membrane membrane-bounded organelle cell projection cellular anatomical structure organelle cilium plasma membrane bounded cell projection cell periphery apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane cell surface apicolateral plasma membrane intracellular anatomical structure organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane intracellular vesicle cytoplasmic vesicle membrane vesicle membrane cytoplasmic vesicle vesicle intracellular membraneless organelle ciliary basal body microtubule organizing center cytoskeleton membraneless organelle microtubule cytoskeleton periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D	IPR036790	Frizzled cysteine-rich domain superfamily	Homologous Superfamily
D	IPR041770	Frizzled 6, cysteine-rich domain	Domain
D	IPR017981	GPCR, family 2-like, 7TM	Domain
D	IPR015526	Frizzled/secreted frizzled-related protein	Family
D	IPR000539	Frizzled/Smoothened, 7TM	Domain
D	IPR026543	Frizzled-6, 7TM	Domain
D	IPR020067	Frizzled domain	Domain
D	IPR010980	Cytochrome c/b562	Homologous Superfamily
D	IPR009155	Cytochrome b562	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
D	Pharos: O60353	nonsyndromic congenital nail disorder 1 psoriasis acute myeloid leukemia glioblastoma malignant ependymoma medulloblastoma Nail Disorder, Nonsyndromic Congenital, 10 pilocytic astrocytoma adenoma malignant glioma nail disease non-immune hydrops fetalis osteosarcoma primitive neuroectodermal tumor atypical teratoid rhabdoid tumor nonsyndromic congenital nail disorder 1 psoriasis acute myeloid leukemia glioblastoma malignant ependymoma medulloblastoma Nail Disorder, Nonsyndromic Congenital, 10 pilocytic astrocytoma adenoma malignant glioma nail disease non-immune hydrops fetalis osteosarcoma primitive neuroectodermal tumor atypical teratoid rhabdoid tumor intellectual disability malignant mesothelioma ovarian cancer

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
D	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	G Protein-Coupled Receptors: Class F	Frizzled 6 (FZD6) receptor - G_s complex, apo state

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.