Annotations: 1TOX

DIPHTHERIA TOXIN DIMER COMPLEXED WITH NAD

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Structure Motif: Primary M-CSA Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1toxb1	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Diphtheria toxin, C-terminal domain	Diphtheria toxin, C-terminal domain	Diphtheria toxin, C-terminal domain	(Corynephage beta ) [TaxId: 10703 ],	SCOPe (2.08)
B	d1toxb2	Alpha and beta proteins (a+b)	ADP-ribosylation	ADP-ribosylation	ADP-ribosylating toxins	Diphtheria toxin, N-terminal domain	(Corynephage beta ) [TaxId: 10703 ],	SCOPe (2.08)
B	d1toxb3	Membrane and cell surface proteins and peptides	Toxins' membrane translocation domains	Diphtheria toxin, middle domain	Diphtheria toxin, middle domain	Diphtheria toxin, middle domain	(Corynephage beta ) [TaxId: 10703 ],	SCOPe (2.08)
A	d1toxa1	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Diphtheria toxin, C-terminal domain	Diphtheria toxin, C-terminal domain	Diphtheria toxin, C-terminal domain	(Corynephage beta ) [TaxId: 10703 ],	SCOPe (2.08)
A	d1toxa2	Alpha and beta proteins (a+b)	ADP-ribosylation	ADP-ribosylation	ADP-ribosylating toxins	Diphtheria toxin, N-terminal domain	(Corynephage beta ) [TaxId: 10703 ],	SCOPe (2.08)
A	d1toxa3	Membrane and cell surface proteins and peptides	Toxins' membrane translocation domains	Diphtheria toxin, middle domain	Diphtheria toxin, middle domain	Diphtheria toxin, middle domain	(Corynephage beta ) [TaxId: 10703 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Diphtheria toxin, C-terminal domain	8040181	3000694	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Diphtheria toxin, middle domain	8037645	3001959	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	ADP-ribosylation	8036997	3001208	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Diphtheria toxin, middle domain	8037645	3001959	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Diphtheria toxin, C-terminal domain	8040181	3000694	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	ADP-ribosylation	8036997	3001208	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)
B	Ldl_recept_b	e1toxB1	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: Ldl_recept_b	ECOD (v295.2)
B	Bcl-2	e1toxB2	A: alpha arrays	X: Urease, gamma-subunit	H: p53 tetramerization domain	T: p53 tetramerization domain	F: Bcl-2	ECOD (v295.2)
B	RNA_pol_Rpb2_2	e1toxB3	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: RNA_pol_Rpb2_2	ECOD (v295.2)
A	Ldl_recept_b	e1toxA1	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: Ldl_recept_b	ECOD (v295.2)
A	Bcl-2	e1toxA2	A: alpha arrays	X: Urease, gamma-subunit	H: p53 tetramerization domain	T: p53 tetramerization domain	F: Bcl-2	ECOD (v295.2)
A	RNA_pol_Rpb2_2	e1toxA3	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: RNA_pol_Rpb2_2	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.90.175.10	Alpha Beta	Alpha-Beta Complex	Diphtheria Toxin	domain 1	CATH (4.3.0)
B	1.10.490.40	Mainly Alpha	Orthogonal Bundle	Globin-like	Diphtheria toxin, translocation domain	CATH (4.3.0)
B	2.60.40.700	Mainly Beta	Sandwich	Immunoglobulin-like	Diphtheria toxin, receptor-binding domain	CATH (4.3.0)
A	3.90.175.10	Alpha Beta	Alpha-Beta Complex	Diphtheria Toxin	domain 1	CATH (4.3.0)
A	1.10.490.40	Mainly Alpha	Orthogonal Bundle	Globin-like	Diphtheria toxin, translocation domain	CATH (4.3.0)
A	2.60.40.700	Mainly Beta	Sandwich	Immunoglobulin-like	Diphtheria toxin, receptor-binding 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
A, B	dipheria toxin	Toxin	Corynebacterium diphtheriae	DT*01	R-LIKE-DOMAIN TOX-DOMAIN	TOX	(TOX-DOMAIN)	IMGT (202636-0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	DIPHTHERIA TOXIN (DIMERIC)	macromolecule transmembrane transporter activity protein transporter activity transmembrane protein transporter activity transporter activity transmembrane transporter activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups identical protein binding protein binding binding pentosyltransferase activity glycosyltransferase activity macromolecule transmembrane transporter activity protein transporter activity transmembrane protein transporter activity transporter activity transmembrane transporter activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups identical protein binding protein binding binding pentosyltransferase activity glycosyltransferase activity NAD+-diphthamide ADP-ribosyltransferase activity toxin activity	-	cell periphery cellular anatomical structure plasma membrane membrane extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036799	Diphtheria toxin, receptor-binding domain superfamily	Homologous Superfamily
A, B	IPR000512	Diphtheria toxin (NAD+-dipthamide ADP-ribosyltransferase)	Family
A, B	IPR022404	Diphtheria toxin, receptor-binding domain	Domain
A, B	IPR036801	Diphtheria toxin, translocation domain superfamily	Homologous Superfamily
A, B	IPR022406	Diphtheria toxin, catalytic domain	Domain

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
B	NAD+---diphthamide ADP-ribosyltransferase M-CSA #773	Diphtheria toxin (secreted by lysogenic strains of Corynebacterium diphtheriae) inhibits eukaryotic protein synthesis by modifying EF-2, an elongation factor.	Defined by 1 residue: GLU:B-148 \| Explore in 3D: M-CSA Motif Definition At least 2 residues must be present to support Structure Motif searching. EC: 2.4.2.36 (PDB Primary Data)