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First Crystal Structure of E.coli Based Recombinant Diphtheria Toxin Mutant CRM197 External Resource: Annotation Chains Domain Info Class Fold Superfamily Family Domain Species Provenance Source (Version) D d5i82d3 All beta proteins Common fold of diphtheria toxin/transcription factors/cytochrome f Diphtheria toxin, C-terminal domain automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) D d5i82d1 Alpha and beta proteins (a+b) ADP-ribosylation ADP-ribosylation automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) D d5i82d2 Membrane and cell surface proteins and peptides Toxins' membrane translocation domains Diphtheria toxin, middle domain automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) C d5i82c3 All beta proteins Common fold of diphtheria toxin/transcription factors/cytochrome f Diphtheria toxin, C-terminal domain automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) C d5i82c1 Alpha and beta proteins (a+b) ADP-ribosylation ADP-ribosylation automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) C d5i82c2 Membrane and cell surface proteins and peptides Toxins' membrane translocation domains Diphtheria toxin, middle domain automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) B d5i82b3 All beta proteins Common fold of diphtheria toxin/transcription factors/cytochrome f Diphtheria toxin, C-terminal domain automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) B d5i82b1 Alpha and beta proteins (a+b) ADP-ribosylation ADP-ribosylation automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) B d5i82b2 Membrane and cell surface proteins and peptides Toxins' membrane translocation domains Diphtheria toxin, middle domain automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) A d5i82a3 All beta proteins Common fold of diphtheria toxin/transcription factors/cytochrome f Diphtheria toxin, C-terminal domain automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) A d5i82a1 Alpha and beta proteins (a+b) ADP-ribosylation ADP-ribosylation automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08) A d5i82a2 Membrane and cell surface proteins and peptides Toxins' membrane translocation domains Diphtheria toxin, middle domain automated matches automated matches Corynebacterium diphtheriae ) [TaxId: 1717 ], SCOPe (2.08)
Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) D HHH e5i82D1 A: alpha arrays X: Repetitive alpha hairpins H: ARM repeat T: ARM repeat F: HHH ECOD (v295.2) C HHH e5i82C1 A: alpha arrays X: Repetitive alpha hairpins H: ARM repeat T: ARM repeat F: HHH ECOD (v295.2) B HHH e5i82B1 A: alpha arrays X: Repetitive alpha hairpins H: ARM repeat T: ARM repeat F: HHH ECOD (v295.2) A HHH e5i82A1 A: alpha arrays X: Repetitive alpha hairpins H: ARM repeat T: ARM repeat F: HHH ECOD (v295.2)
Chains Accession Name Description Comments Source 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 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 PF01324 Diphtheria toxin, R domain (Diphtheria_R) Diphtheria toxin, R domain C-terminal receptor binding (R) domain - binds to cell surface receptor, permitting the toxin to enter the cell by receptor mediated endocytosis. Domain
Chains Polymer Molecular Function Biological Process Cellular Component Diphtheria toxin - -