7V1N
Structure of the Clade 2 C. difficile TcdB in complex with its receptor TFPI
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A | CW_binding_1 | e7v1nA5 | A: beta duplicates or obligate multimers | X: beta-hairpin stack (From Topology) | H: beta-hairpin stack (From Topology) | T: beta-hairpin stack | F: CW_binding_1 | ECOD (1.6) |
A | TcdA_TcdB_pore_2nd | e7v1nA1 | A: beta duplicates or obligate multimers | X: Toxin A (TcdA) delivery domain (From Topology) | H: Toxin A (TcdA) delivery domain (From Topology) | T: Toxin A (TcdA) delivery domain | F: TcdA_TcdB_pore_2nd | ECOD (1.6) |
A | TcdA_TcdB_pore_1st | e7v1nA4 | A: alpha arrays | X: Toxin A (TcdA) helical domain (From Topology) | H: Toxin A (TcdA) helical domain (From Topology) | T: Toxin A (TcdA) helical domain | F: TcdA_TcdB_pore_1st | ECOD (1.6) |
A | MLD | e7v1nA8 | A: alpha bundles | X: Bromodomain-like | H: PMT helical bundle domain-like | T: PMT helical bundle domain-like | F: MLD | ECOD (1.6) |
A | TcdA_TcdB | e7v1nA2 | A: a/b three-layered sandwiches | X: Nucleotide-diphospho-sugar transferases (From Topology) | H: Nucleotide-diphospho-sugar transferases (From Topology) | T: Nucleotide-diphospho-sugar transferases | F: TcdA_TcdB | ECOD (1.6) |
A | Peptidase_C80 | e7v1nA3 | A: a/b three-layered sandwiches | X: Caspase-like (From Topology) | H: Caspase-like (From Topology) | T: Caspase-like | F: Peptidase_C80 | ECOD (1.6) |
B [auth K] | Kunitz_BPTI | e7v1nK1 | A: few secondary structure elements | X: BPTI-like (From Topology) | H: BPTI-like (From Topology) | T: BPTI-like | F: Kunitz_BPTI | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
A | 3.40.50.11050 | Alpha Beta | 3-Layer(aba) Sandwich | Rossmann fold | MARTX cysteine protease (CPD) domain | CATH (utative) |
A | 2.10.270.10 | Mainly Beta | Ribbon | left handed beta-beta-3-solenoid | Cholin Binding | CATH (utative) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF12919 | TcdA/TcdB catalytic glycosyltransferase domain (TcdA_TcdB) | TcdA/TcdB catalytic glycosyltransferase domain | This domain represents the N-terminal glycosyltransferase from a set of toxins found in some bacteria. This domain in TcdB glycosylates the host RhoA protein. | Domain | |
PF12918 | TcdB toxin N-terminal helical domain (TcdB_N) | TcdB toxin N-terminal helical domain | This is a short helical bundle domain found associated with the catalytic domain of the TcdB toxin from C. difficile [1]. The function of this domain is unknown, but it may be involved in substrate recognition. | Domain | |
PF01473 | Putative cell wall binding repeat (Choline_bind_1) | Putative cell wall binding repeat | - | Repeat | |
PF19127 | Choline-binding repeat (Choline_bind_3) | Choline-binding repeat | - | Repeat | |
PF11713 | Peptidase C80 family (Peptidase_C80) | Peptidase C80 family | This family belongs to cysteine peptidase family C80. | Domain | |
PF11647 | Membrane Localization Domain (MLD) | Membrane Localization Domain | This is a membrane localization domain found in multiple families of bacterial toxins including all of the clostridial glucosyltransferase toxins and various MARTX toxins (multifunctional-autoprocessing RTX toxins) [1,4]. In the Pasteurella multocida ... | Domain | |
PF12920 | TcdA/TcdB pore forming domain (TcdA_TcdB_pore) | TcdA/TcdB pore forming domain | - | Family | |
B [auth K] | PF00014 | Kunitz/Bovine pancreatic trypsin inhibitor domain (Kunitz_BPTI) | Kunitz/Bovine pancreatic trypsin inhibitor domain | Indicative of a protease inhibitor, usually a serine protease inhibitor. Structure is a disulfide rich alpha+beta fold. BPTI (bovine pancreatic trypsin inhibitor) is an extensively studied model structure. Certain family members are similar to the ... | Domain |