Annotations: 6YX9

Cryogenic human adiponectin receptor 2 (ADIPOR2) at 2.4 A resolution determined by Serial Crystallography (SSX) using CrystalDirect

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth H]	d6yx9h_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth L]	d6yx9l_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	CoA_binding_2	e6yx9A1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: CoA_binding_2	ECOD (v294.1)
B [auth H]	RNA_pol_Rpb1_5	e6yx9H1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: RNA_pol_Rpb1_5	ECOD (v294.1)
C [auth L]	RNA_pol_Rpb1_5	e6yx9L1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: RNA_pol_Rpb1_5	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
C [auth L]	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
B [auth H]	Heavy Chain	IGHV1	-	adiponectin receptor protein 2	SAbDab (2026-04-24)
C [auth L]	Light Chain	IGKV12	Kappa	adiponectin receptor protein 2	SAbDab (2026-04-24)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF03006	Haemolysin-III related (HlyIII)	Haemolysin-III related	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Adiponectin receptor protein 2	molecular transducer activity signaling receptor activity protein-hormone receptor activity adipokinetic hormone receptor activity protein binding binding adiponectin binding hormone binding cation binding ion binding metal ion binding small molecule binding identical protein binding	cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling response to endogenous stimulus biological regulation adiponectin-activated signaling pathway response to cytokine hormone-mediated signaling pathway cytokine-mediated signaling pathway cell communication response to peptide cellular response to endogenous stimulus cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling response to endogenous stimulus biological regulation adiponectin-activated signaling pathway response to cytokine hormone-mediated signaling pathway cytokine-mediated signaling pathway cell communication response to peptide cellular response to endogenous stimulus cellular response to chemical stimulus response to hormone response to chemical cellular process cellular response to cytokine stimulus signal transduction cellular response to hormone stimulus multicellular organismal process homeostatic process positive regulation of biological process adaptive thermogenesis multicellular organismal-level homeostasis 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 fatty acid metabolic process oxoacid metabolic process carboxylic acid metabolic process lipid modification primary metabolic process organic acid metabolic process fatty acid oxidation metabolic process small molecule metabolic process lipid oxidation monocarboxylic acid metabolic process lipid metabolic process developmental process wound healing blood vessel morphogenesis tube development angiogenesis involved in wound healing angiogenesis vasculature development circulatory system development anatomical structure morphogenesis multicellular organism development tube morphogenesis vascular wound healing response to stress anatomical structure formation involved in morphogenesis anatomical structure development response to wounding blood vessel development system development chemical homeostasis glucose homeostasis carbohydrate homeostasis	cell periphery cellular anatomical structure plasma membrane membrane
B [auth H]	V REGION HEAVY CHAIN	-	-	-
C [auth L]	V REGION LIGHT CHAIN	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004254	AdipoR/Haemolysin-III-related	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: Q86V24	female infertility DOID:0081062 malignant mesothelioma spina bifida Down syndrome obesity disorder ductal breast carcinoma in situ inborn carbohydrate metabolic disorder ovarian cancer type 2 diabetes mellitus

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Adiponectin Receptors	AdipoR2 Adiponectin receptor, cryogenic Serial Crystallography (SSX) using CrystalDirect

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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.