Annotations: 7K7H

Density-fitted Model Structure of Antibody Variable Domains of TyTx1 in Complex with PltB pentamer of Typhoid Toxin

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
G [auth H]	Adenylsucc_synt	e7k7hH1	A: beta barrels	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Adenylsucc_synt	ECOD (v294.2)
F [auth L]	Adenylsucc_synt	e7k7hL1	A: beta barrels	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Adenylsucc_synt	ECOD (v294.2)
E	LbH_EIF2B	e7k7hE1	A: beta barrels	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (v294.2)
D	LbH_EIF2B	e7k7hD1	A: beta barrels	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (v294.2)
C	LbH_EIF2B	e7k7hC1	A: beta barrels	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (v294.2)
B	LbH_EIF2B	e7k7hB1	A: beta barrels	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (v294.2)
A	Adenylsucc_synt	e7k7hA1	A: beta barrels	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Adenylsucc_synt	ECOD (v294.2)

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
H [auth G]	A2B5 toxin(Pertussis like toxin subunit B)(Pr1-14) A0A286LNT9	Peptide	Salmonella enterica	-	-	TOX	Toxin	IMGT (202617-0)
G [auth H]	Antibody Fab fragment	VH	Mus musculus (house mouse)	IGHV1S13501, IGHJ301	V-DOMAIN VH	IG	FV-HEAVY_KAPPA	IMGT (202617-0)
F [auth L]	Antibody Fab fragment	V-KAPPA	Mus musculus (house mouse)	IGKV8-2101, IGKJ202, IGKJ3*01	V-DOMAIN V-KAPPA	IG	FV-HEAVY_KAPPA	IMGT (202617-0)
A, B, C, D, E	A2B5 toxin(Pertussis like toxin subunit B)(Pr1-114) A0A286LNT9	null	Salmonella enterica	-	-	TOX	Toxin	IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
G [auth H]	Heavy Chain	IGHV1	-	pertussis like toxin subunit b \| pertussis like toxin subunit b \| pertussis toxin-like subunit arta	SAbDab (2026-05-08)
F [auth L]	Light Chain	IGKV8	Kappa	pertussis like toxin subunit b \| pertussis like toxin subunit b \| pertussis toxin-like subunit arta	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
H [auth G]	Pertussis toxin-like subunit ArtA	pentosyltransferase activity NAD+ poly-ADP-ribosyltransferase activity glycosyltransferase activity transferase activity catalytic activity	-	cellular anatomical structure extracellular region
G [auth H]	Fab Heavy Chain Variable Domain	-	-	-
F [auth L]	Fab Light Chain Variable Domain	-	-	-
A, B, C, D, E	Pertussis like toxin subunit B	-	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
H [auth G]	IPR003898	Bordetella pertussis toxin A	Family
A, B, C, D, E	IPR008992	Enterotoxin	Homologous Superfamily
A, B, C, D, E	IPR020063	Bordetella pertussis toxin B, subunit 2/3, C-terminal	Domain

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.