Annotations: 2F1N

Structure of CdtB, the biologically active subunit of Cytolethal Distending Toxin

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
A	d2f1na1	Alpha and beta proteins (a+b)	DNase I-like	DNase I-like	DNase I-like	Cytolethal distending toxin subunit B	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d2f1na2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	DNase I-like	8028084	4002213	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	DNase I-like	8040463	3000957	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)
A	Exo_endo_phos	e2f1nA1	A: few secondary structure elements	X: Carbon-nitrogen hydrolase-like	H: DNase I-like	T: DNase I-like	F: Exo_endo_phos	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.60.10.10	Alpha Beta	4-Layer Sandwich	Deoxyribonuclease I	Chain A	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Cytolethal distending toxin subunit B	hydrolase activity catalytic activity endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid toxin activity	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR005135	Endonuclease/exonuclease/phosphatase	Domain
A	IPR003539	Cytolethal distending toxin B	Family
A	IPR036691	Endonuclease/exonuclease/phosphatase superfamily	Homologous Superfamily

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