Annotations: 2ADF

Crystal Structure and Paratope Determination of 82D6A3, an Antithrombotic Antibody Directed Against the von Willebrand factor A3-Domain

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C [auth L]	d2adfl1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C [auth L]	d2adfl2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B [auth H]	d2adfh_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d2adfa_	Alpha and beta proteins (a/b)	vWA-like	vWA-like	Integrin A (or I) domain	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth L]	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091539	3000071	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	vWA-like	8032262	3000832	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth L]	Copper-bind	e2adfL1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Copper-bind	ECOD (v295.2)
B [auth H]	Copper-bind	e2adfH1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Copper-bind	ECOD (v295.2)
B [auth H]	tRNA_int_endo_N	e2adfH2	A: alpha arrays	X: Globin-like	H: Globin-like	T: Globin-like	F: tRNA_int_endo_N	ECOD (v295.2)
A	SNO	e2adfA1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: SNO	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	3.40.50.410	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	von Willebrand factor, type A domain	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
C [auth L]	82D6A3 IGG	L-KAPPA	Mus musculus (house mouse)	IGKV19-9301, IGKV19-9302, IGKJ101, IGKJ201, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-2A_KAPPA	IMGT (202632-0)
B [auth H]	82D6A3 IGG	VH-CH1	Mus musculus (house mouse)	IGHV9-302, IGHJ401, IGHG2A01, IGHG2A02	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-2A_KAPPA	IMGT (202632-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L]	Light Chain	IGKV19	Kappa	von willebrand factor	SAbDab (2026-08-21)
B [auth H]	Heavy Chain	IGHV9	-	von willebrand factor	SAbDab (2026-08-21)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Source
C [auth L]	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	Domain
B [auth H]	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	Domain
A	PF00092	von Willebrand factor type A domain (VWA)	von Willebrand factor type A domain	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth L]	82D6A3 IgG	-	developmental process multicellular organismal process cellular developmental process hemopoiesis B cell activation cell activation cell development mononuclear cell differentiation lymphocyte differentiation lymphocyte activation leukocyte activation B cell differentiation cell differentiation immune system process anatomical structure development developmental process multicellular organismal process cellular developmental process hemopoiesis B cell activation cell activation cell development mononuclear cell differentiation lymphocyte differentiation lymphocyte activation leukocyte activation B cell differentiation cell differentiation immune system process anatomical structure development cellular process leukocyte differentiation response to stimulus immune response adaptive immune response	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex plasma membrane protein complex membrane protein complex alpha-beta T cell receptor complex plasma membrane signaling receptor complex signaling receptor complex T cell receptor complex extracellular region IgG immunoglobulin complex immunoglobulin complex
B [auth H]	82D6A3 IgG	protein-containing complex binding protein binding binding signaling receptor binding immunoglobulin receptor binding Fc-gamma receptor I complex binding antigen binding	regulation of biological process response to stimulus immune response biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity regulation of biological process response to stimulus immune response biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process membrane organization import into cell transport establishment of localization cellular component organization localization phagocytosis, engulfment membrane invagination cellular process phagocytosis cellular component organization or biogenesis endocytosis plasma membrane invagination positive regulation of acute inflammatory response to antigenic stimulus regulation of immune effector process regulation of acute inflammatory response to antigenic stimulus positive regulation of leukocyte mediated immunity inflammatory response to antigenic stimulus positive regulation of hypersensitivity positive regulation of inflammatory response positive regulation of adaptive immune response positive regulation of immunoglobulin mediated immune response hypersensitivity regulation of adaptive immune response response to external stimulus regulation of inflammatory response regulation of B cell mediated immunity regulation of leukocyte mediated immunity positive regulation of defense response regulation of acute inflammatory response inflammatory response positive regulation of type I hypersensitivity regulation of type I hypersensitivity regulation of defense response regulation of response to external stimulus positive regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of lymphocyte mediated immunity positive regulation of acute inflammatory response positive regulation of B cell mediated immunity type I hypersensitivity positive regulation of response to external stimulus regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains response to stress regulation of response to stress regulation of immunoglobulin mediated immune response positive regulation of immune effector process acute inflammatory response regulation of hypersensitivity defense response regulation of inflammatory response to antigenic stimulus acute inflammatory response to antigenic stimulus positive regulation of inflammatory response to antigenic stimulus regulation of lymphocyte mediated immunity myeloid leukocyte mediated immunity antibody-dependent cellular cytotoxicity leukocyte mediated cytotoxicity type II hypersensitivity type IIa hypersensitivity cell killing cellular localization endosome to lysosome transport intracellular transport lysosomal transport vesicle-mediated transport establishment of localization in cell vacuolar transport humoral immune response complement activation humoral immune response mediated by circulating immunoglobulin complement activation, classical pathway activation of immune response regulation of cellular process regulation of protein metabolic process primary metabolic process regulation of macromolecule metabolic process regulation of primary metabolic process regulation of proteolysis proteolysis metabolic process protein metabolic process macromolecule metabolic process regulation of metabolic process biological process involved in interspecies interaction between organisms response to other organism antibacterial humoral response defense response to symbiont antimicrobial humoral response response to biotic stimulus defense response to bacterium defense response to other organism response to bacterium response to external biotic stimulus regulation of localization positive regulation of cellular component organization regulation of cellular component organization positive regulation of endocytosis positive regulation of cellular process regulation of endocytosis regulation of transport regulation of phagocytosis positive regulation of phagocytosis positive regulation of transport regulation of myeloid leukocyte mediated immunity regulation of type IIa hypersensitivity regulation of type II hypersensitivity positive regulation of myeloid leukocyte mediated immunity positive regulation of type IIa hypersensitivity positive regulation of type II hypersensitivity multicellular organismal process regulation of leukocyte activation regulation of cell activation lymphocyte activation leukocyte activation positive regulation of lymphocyte activation positive regulation of cell activation regulation of B cell activation positive regulation of leukocyte activation regulation of multicellular organismal process B cell activation cell activation positive regulation of B cell activation positive regulation of multicellular organismal process regulation of lymphocyte activation antigen processing and presentation endosomal transport vesicle-mediated transport between endosomal compartments early endosome to late endosome transport phagocytosis, recognition cell recognition	cell periphery cellular anatomical structure plasma membrane membrane IgG immunoglobulin complex protein-containing complex immunoglobulin complex membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cell periphery cellular anatomical structure plasma membrane membrane IgG immunoglobulin complex protein-containing complex immunoglobulin complex membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle late endosome cytoplasm multivesicular body vesicle extracellular region extracellular protein-containing complex immunoglobulin complex, circulating
A	Von Willebrand factor	protein binding binding enzyme binding protease binding collagen binding protein-containing complex binding protein-folding chaperone binding cell adhesion molecule binding integrin binding signaling receptor binding structural molecule activity extracellular matrix structural constituent immunoglobulin binding identical protein binding	multicellular organismal process regulation of body fluid levels wound healing response to stimulus hemostasis biological regulation blood coagulation response to stress coagulation regulation of biological quality response to wounding cell activation cellular process platelet activation multicellular organismal process regulation of body fluid levels wound healing response to stimulus hemostasis biological regulation blood coagulation response to stress coagulation regulation of biological quality response to wounding cell activation cellular process platelet activation cellular response to stimulus positive regulation of cell communication regulation of biological process regulation of signaling regulation of cellular process positive regulation of signal transduction signaling positive regulation of biological process positive regulation of intracellular signal transduction regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction regulation of response to stimulus regulation of cell communication signal transduction positive regulation of cellular process positive regulation of signaling cell adhesion cell-substrate adhesion	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle Weibel-Palade body secretory granule clathrin-coated vesicle secretory vesicle coated vesicle cytoplasm extracellular matrix external encapsulating structure platelet alpha granule vesicle lumen membrane-enclosed lumen cytoplasmic vesicle lumen secretory granule lumen intracellular organelle lumen organelle lumen platelet alpha granule lumen endoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth L]	IPR003597	Immunoglobulin C1-set	Domain
C [auth L]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C [auth L]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
C [auth L]	IPR007110	Immunoglobulin-like domain	Domain
C [auth L]	IPR050380	Immune Recognition and Response Modulators	Family
C [auth L]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
B [auth H]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth H]	IPR003597	Immunoglobulin C1-set	Domain
B [auth H]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
B [auth H]	IPR050380	Immune Recognition and Response Modulators	Family
B [auth H]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B [auth H]	IPR007110	Immunoglobulin-like domain	Domain
A	IPR050780	Mucin/von Willebrand/Thrombospondin superfamily	Family
A	IPR002919	Trypsin Inhibitor-like, cysteine rich domain	Domain
A	IPR001007	VWFC domain	Domain
A	IPR037578	Von Willebrand factor	Family
A	IPR036465	von Willebrand factor A-like domain superfamily	Homologous Superfamily
A	IPR001846	von Willebrand factor, type D domain	Domain
A	IPR014853	VWF/SSPO/Zonadhesin-like, cysteine-rich domain	Domain
A	IPR032361	von Willebrand factor, VWA N-terminal domain	Domain
A	IPR036084	Serine protease inhibitor-like superfamily	Homologous Superfamily
A	IPR058753	Otogelin-like/Mucin, TIL domain	Domain
A	IPR002035	von Willebrand factor, type A	Domain
A	IPR006207	Cystine knot, C-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: P04275	von Willebrand disease 1 von Willebrand disease 2 von Willebrand disease 3 atrial fibrillation hypertensive disorder hereditary von Willebrand disease thrombotic disease intracranial thrombosis cardiovascular disease Liver Cirrhosis, Experimental congestive heart failure Down syndrome ovarian cancer drug-induced liver injury pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia von Willebrand disease 1 von Willebrand disease 2 von Willebrand disease 3 atrial fibrillation hypertensive disorder hereditary von Willebrand disease thrombotic disease intracranial thrombosis cardiovascular disease Liver Cirrhosis, Experimental congestive heart failure Down syndrome ovarian cancer drug-induced liver injury pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia gastric carcinoma peripheral neuropathy heart failure thrombocytopenia acquired von willebrand syndrome transitional cell carcinoma herpes zoster interstitial cystitis von Willebrand disease type 2A kidney disease von Willebrand disease type 2N lung adenocarcinoma coronary artery disease non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma ductal breast carcinoma in situ thrombophilia adrenal cortex carcinoma thrombotic thrombocytopenic purpura ulcerative colitis angiodysplasia Bernard-Soulier syndrome von Willebrand disease type 2B breast carcinoma lung cancer medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm familial atrial fibrillation peripheral nervous system disease heart disease pulmonary embolism hemophilia A vascular disease atherosclerosis inborn carbohydrate metabolic disorder invasive ductal breast carcinoma von Willebrand disease type 2M cerebrovascular disorder lung carcinoma