8AV2 | pdb_00008av2

Crystal structure for the FnIII module of mouse LEP-R in complex with the anti-LEP-R nanobody VHH-4.80

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	F_UNCLASSIFIED	e8av2D1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
C	F_UNCLASSIFIED	e8av2C1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e8av2B1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
A	F_UNCLASSIFIED	e8av2A1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C, D	Heavy Chain	IGHV1	-	leptin receptor	SAbDab (2025-11-28)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	anti-mLEPR VHH 4-80	-	-	-
A, B	Leptin receptor	molecular transducer activity transmembrane signaling receptor activity signaling receptor activity leptin receptor activity cytokine receptor activity immune receptor activity amide binding binding peptide hormone binding hormone 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 localization import into cell transport phagocytosis cellular process endocytosis establishment of localization vesicle-mediated transport cellular response to stimulus cell surface receptor signaling pathway via STAT regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cell communication signal transduction sexual reproduction reproductive process developmental growth growth animal organ development organ growth skeletal system development bone growth bone development multicellular organismal-level homeostasis homeostatic process energy homeostasis secondary alcohol metabolic process sterol metabolic process steroid metabolic process cholesterol metabolic process alcohol metabolic process small molecule metabolic process metabolic process primary metabolic process lipid metabolic process cellular developmental process hemopoiesis cell activation cell development mononuclear cell differentiation lymphocyte activation lymphocyte differentiation leukocyte activation T cell activation immune system process cell differentiation T cell differentiation leukocyte differentiation regulation of metabolic process positive regulation of biological process adaptive thermogenesis positive regulation of metabolic process regulation of cold-induced thermogenesis cold-induced thermogenesis temperature homeostasis positive regulation of cold-induced thermogenesis positive regulation of multicellular organismal process regulation of multicellular organismal process positive regulation of cellular process regulation of localization regulation of transport monosaccharide metabolic process carbohydrate metabolic process small molecule biosynthetic process carbohydrate biosynthetic process hexose metabolic process monosaccharide biosynthetic process gluconeogenesis hexose biosynthetic process biosynthetic process glucose metabolic process negative regulation of catabolic process catabolic process negative regulation of metabolic process autophagy negative regulation of biological process regulation of catabolic process regulation of autophagy negative regulation of autophagy negative regulation of cellular process process utilizing autophagic mechanism negative regulation of small molecule metabolic process regulation of primary metabolic process negative regulation of gluconeogenesis regulation of small molecule metabolic process regulation of carbohydrate metabolic process regulation of glucose metabolic process negative regulation of carbohydrate metabolic process regulation of biosynthetic process negative regulation of biosynthetic process regulation of gluconeogenesis regulation of carbohydrate biosynthetic process response to cytokine cytokine-mediated signaling pathway cellular response to leptin stimulus cellular response to endogenous stimulus response to hormone cellular response to cytokine stimulus response to leptin cellular response to hormone stimulus leptin-mediated signaling pathway response to endogenous stimulus response to peptide cellular response to chemical stimulus response to chemical regulation of behavior behavior feeding behavior regulation of feeding behavior tissue remodeling regulation of bone remodeling bone remodeling regulation of tissue remodeling chemical homeostasis glucose homeostasis carbohydrate homeostasis energy derivation by oxidation of organic compounds glycogen metabolic process generation of precursor metabolites and energy glucan metabolic process polysaccharide metabolic process energy reserve metabolic process macromolecule metabolic process cell population proliferation nervous system development neurogenesis gliogenesis glial cell proliferation	cell periphery cellular anatomical structure plasma membrane membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane protein-containing complex receptor complex extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR003531	Short hematopoietin receptor, family 1, conserved site	Conserved Site
A, B	IPR003529	Long hematopoietin receptor, Gp130 family 2, conserved site	Conserved Site
A, B	IPR010457	Immunoglobulin C2-set-like, ligand-binding	Domain
A, B	IPR041182	Leptin receptor, immunoglobulin-like domain	Domain
A, B	IPR003961	Fibronectin type III	Domain
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR007110	Immunoglobulin-like domain	Domain
A, B	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	CSO	Parent Component: CYS RESID: AA0205 PSI-MOD : L-cysteine sulfenic acid MOD:00210

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.