Clostridioides difficile toxin B
| Clostridioides difficile toxin B | |||||||
|---|---|---|---|---|---|---|---|
Structure of C. difficile glucosyl transferase Toxin B showing UDP and glusose from PDB entry 2BVM. | |||||||
| Identifiers | |||||||
| Organism | |||||||
| Symbol | toxB | ||||||
| Alt. symbols | tcdB | ||||||
| Entrez | 4914074 | ||||||
| PDB | 2BVM | ||||||
| RefSeq (Prot) | YP_001087135.1 | ||||||
| UniProt | P18177 | ||||||
| Other data | |||||||
| EC number | 2.4.1.- | ||||||
| Chromosome | genome: 0.79 - 0.8 Mb | ||||||
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| TcdB toxin N-terminal helical domain | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| Symbol | TcdB_N | ||||||||
| Pfam | PF12918 | ||||||||
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| TcdA/TcdB catalytic glycosyltransferase domain | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| Symbol | TcdA_TcdB | ||||||||
| Pfam | PF12919 | ||||||||
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| Peptidase C80 family | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| Symbol | Peptidase_C80 | ||||||||
| Pfam | PF11713 | ||||||||
| InterPro | IPR020974 | ||||||||
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| TcdA/TcdB pore forming domain | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| Symbol | TcdA_TcdB_pore | ||||||||
| Pfam | PF12920 | ||||||||
| TCDB | 1.C.57 | ||||||||
| OPM superfamily | 199 | ||||||||
| OPM protein | 6oq6 | ||||||||
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Clostridioides difficile toxin B (TcdB) is a cytotoxin produced by the bacteria Clostridioides difficile. It is one of two major kinds of toxins produced by C. difficile, the other being a related enterotoxin (Toxin A). Both are very potent and lethal.