7RB4 | pdb_00007rb4

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	APH	e7rb4A1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: APH	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.175.10	Alpha Beta	Alpha-Beta Complex	Diphtheria Toxin	domain 1	CATH (utative)

Chains	Accession	Name	Description	Comments	Source
A	PF02764	Diphtheria toxin, T domain (Diphtheria_T)	Diphtheria toxin, T domain	Central domain of diphtheria toxin is the translocation (T) domain. pH induced conformational change in this domain triggers insertion into the endosomal membrane and facilitates the transfer of the catalytic domain into the cytoplasm.	Domain
A	PF02763	Diphtheria toxin, C domain (Diphtheria_C)	Diphtheria toxin, C domain	N-terminal catalytic (C) domain - blocks protein synthesis by transfer of ADP-ribose from NAD to a diphthamide residue of EF-2.	Domain

Chains	Accession	Name	Type
A	IPR036801	Diphtheria toxin, translocation domain superfamily	Homologous Superfamily
A	IPR022406	Diphtheria toxin, catalytic 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.

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