7A6O | pdb_00007a6o

Crystal Structure of the Complex of the Recombinant Von Willebrand Factor AIM-A1 domain and VHH81 at 2.1 Angstrom resolution

External Resource: Annotation

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d7a6ob_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Lama glama ) [TaxId: 9844 ],	SCOPe (2.08)
A	d7a6oa_	Alpha and beta proteins (a/b)	vWA-like	vWA-like	Integrin A (or I) domain	von Willebrand factor A1 domain, vWA1	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)
A	SCOP2 Family	Integrin A (or I) domain	8102678	4000639	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	vWA-like	8102679	3000832	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	RRM_1	e7a6oB01	A: a/b three-layered sandwiches	X: Rossmann-like	H: all-alpha NTP pyrophosphatases	T: Hypothetical protein AF_0060	F: RRM_1	ECOD (v294.1)
A	RRM_1	e7a6oA01	A: a/b three-layered sandwiches	X: Rossmann-like	H: all-alpha NTP pyrophosphatases	T: Hypothetical protein AF_0060	F: RRM_1	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	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	Heavy Chain	IGHV3	-	-	SAbDab (2026-04-10)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	VHH81 Nanobody fragment	-	-	-
A	von Willebrand factor	collagen binding protein-containing complex binding binding identical protein binding protein binding	multicellular organismal process regulation of body fluid levels wound healing response to stimulus cell activation hemostasis biological regulation blood coagulation response to stress coagulation cellular process regulation of biological quality response to wounding platelet activation multicellular organismal process regulation of body fluid levels wound healing response to stimulus cell activation hemostasis biological regulation blood coagulation response to stress coagulation cellular process regulation of biological quality response to wounding platelet activation cell adhesion cell-substrate adhesion	cellular anatomical structure extracellular region membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle Weibel-Palade body organelle secretory granule clathrin-coated vesicle secretory vesicle cellular anatomical structure extracellular region membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle Weibel-Palade body organelle secretory granule clathrin-coated vesicle secretory vesicle coated vesicle cytoplasm vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR037578	Von Willebrand factor	Family
A	IPR050780	Mucin/von Willebrand/Thrombospondin superfamily	Family
A	IPR036465	von Willebrand factor A-like domain superfamily	Homologous Superfamily
A	IPR002919	Trypsin Inhibitor-like, cysteine rich domain	Domain
A	IPR001007	VWFC domain	Domain
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

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.