Annotations: 7WG3

Structural basis of interleukin-17B receptor in complex with a neutralizing antibody D9 for guiding humanization and affinity maturation for cancer therapy

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
L	SSF	e7wg3L1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
K	SSF	e7wg3K1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
J	SSF	e7wg3J1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
I	SSF	e7wg3I1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
H	SSF	e7wg3H1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
G	SSF	e7wg3G1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
F	SSF	e7wg3F1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
E	SSF	e7wg3E1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
D	SSF	e7wg3D1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
C	SSF	e7wg3C1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
B	SSF	e7wg3B1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)
A	SSF	e7wg3A1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: SSF	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
L	2.60.40.2160	Mainly Beta	Sandwich	Immunoglobulin-like	Interleukin-17 receptor A/B, fibronectin-III-like domain 1	CATH (utative)
L	2.60.40.2150	Mainly Beta	Sandwich	Immunoglobulin-like	Interleukin-17 receptor A/B, fibronectin-III-like domain 2	CATH (utative)
K	2.60.40.2160	Mainly Beta	Sandwich	Immunoglobulin-like	Interleukin-17 receptor A/B, fibronectin-III-like domain 1	CATH (utative)
K	2.60.40.2150	Mainly Beta	Sandwich	Immunoglobulin-like	Interleukin-17 receptor A/B, fibronectin-III-like domain 2	CATH (utative)
J	2.60.40.2160	Mainly Beta	Sandwich	Immunoglobulin-like	Interleukin-17 receptor A/B, fibronectin-III-like domain 1	CATH (utative)
J	2.60.40.2150	Mainly Beta	Sandwich	Immunoglobulin-like	Interleukin-17 receptor A/B, fibronectin-III-like domain 2	CATH (utative)
I	2.60.40.2160	Mainly Beta	Sandwich	Immunoglobulin-like	Interleukin-17 receptor A/B, fibronectin-III-like domain 1	CATH (utative)
I	2.60.40.2150	Mainly Beta	Sandwich	Immunoglobulin-like	Interleukin-17 receptor A/B, fibronectin-III-like domain 2	CATH (utative)
H	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
G	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
F	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
E	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
E, F, G, H	Heavy Chain	IGHV1	-	il17rb protein	SAbDab (2026-08-21)
A, B, C, D	Light Chain	IGKV4	Kappa	il17rb protein	SAbDab (2026-08-21)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I, J, K, L	IL17RB protein	molecular transducer activity interleukin-17 receptor activity transmembrane signaling receptor activity signaling receptor activity cytokine receptor activity immune receptor activity	multicellular organismal process regulation of cellular process response to stimulus positive regulation of biological process regulation of cytokine production involved in inflammatory response positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process response to stress cytokine production regulation of cytokine production regulation of multicellular organismal process positive regulation of macromolecule metabolic process positive regulation of cellular process multicellular organismal process regulation of cellular process response to stimulus positive regulation of biological process regulation of cytokine production involved in inflammatory response positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process response to stress cytokine production regulation of cytokine production regulation of multicellular organismal process positive regulation of macromolecule metabolic process positive regulation of cellular process production of molecular mediator involved in inflammatory response regulation of biosynthetic process regulation of biological process defense response biological regulation regulation of macromolecule metabolic process cytokine production involved in inflammatory response gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of multicellular organismal process metabolic process cellular process regulation of macromolecule biosynthetic process positive regulation of cytokine production involved in inflammatory response inflammatory response macromolecule metabolic process positive regulation of cytokine production regulation of metabolic process cellular response to stimulus cell surface receptor signaling pathway signaling cellular response to interleukin-17 response to interleukin-17 response to cytokine cytokine-mediated signaling pathway cell communication response to peptide interleukin-17-mediated signaling pathway response to chemical cellular response to cytokine stimulus signal transduction	cell periphery cellular anatomical structure plasma membrane membrane extracellular region
E, F, G, H	Heavy chain of D9 Fab	-	-	-
A, B, C, D	Light chain of D9 Fab	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
I, J, K, L	IPR043046	Interleukin-17 receptor A/B, FnIII-like domain 2 superfamily	Homologous Superfamily
I, J, K, L	IPR039465	Interleukin-17 receptor-like	Family
I, J, K, L	IPR013568	SEFIR domain	Domain
I, J, K, L	IPR038683	Interleukin-17 receptor A/B, FnIII-like domain 1 superfamily	Homologous Superfamily
I, J, K, L	IPR032356	IL17RA/B, N-terminal domain	Domain

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.