5F8Q | pdb_00005f8q

Blood group antigen binding adhesin BabA of Helicobacter pylori strain S831 in complex with Nanobody Nb-ER19

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody 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)
D	d5f8qd1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	Llama (Lama glama ) [TaxId: 9844 ],	SCOPe (2.08)
D	d5f8qd2	Artifacts	Tags	Tags	Tags	C-terminal Tags	Llama (Lama glama ) [TaxId: 9844 ],	SCOPe (2.08)
B [auth C]	d5f8qc1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	Llama (Lama glama ) [TaxId: 9844 ],	SCOPe (2.08)
B [auth C]	d5f8qc2	Artifacts	Tags	Tags	Tags	C-terminal Tags	Llama (Lama glama ) [TaxId: 9844 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Cytochrom_B559,Cytochrom_B559a	e5f8qD1	A: alpha bundles	X: ACP-like	H: Acyl-carrier protein (ACP)	T: Acyl-carrier protein (ACP)	F: Cytochrom_B559,Cytochrom_B559a	ECOD (develop294)
B [auth C]	Cytochrom_B559,Cytochrom_B559a	e5f8qC1	A: alpha bundles	X: ACP-like	H: Acyl-carrier protein (ACP)	T: Acyl-carrier protein (ACP)	F: Cytochrom_B559,Cytochrom_B559a	ECOD (develop294)
C [auth B]	Cytochrom_B559,Cytochrom_B559a	e5f8qB1	A: alpha bundles	X: ACP-like	H: Acyl-carrier protein (ACP)	T: Acyl-carrier protein (ACP)	F: Cytochrom_B559,Cytochrom_B559a	ECOD (develop294)
A	Cytochrom_B559,Cytochrom_B559a	e5f8qA1	A: alpha bundles	X: ACP-like	H: Acyl-carrier protein (ACP)	T: Acyl-carrier protein (ACP)	F: Cytochrom_B559,Cytochrom_B559a	ECOD (develop294)

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 (4.3.0)
B [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth C], D	Heavy Chain	IGHV1	-	adhesin binding fucosylated histo-blood group antigen,adhesin,adhesin binding fucosylated histo-blood group antigen	SAbDab (2026-03-20)

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C [auth B]	IPR040838	SabA, N-terminal extracellular adhesion domain	Domain
A, C [auth B]	IPR002718	Outer membrane protein, Helicobacter	Family
A, C [auth B]	IPR040838	SabA, N-terminal extracellular adhesion domain	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.