Toxin B
Clostridioides difficile
State in the Current Structure
| Assembly | Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Associated Components | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|
| 1 | Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count | Chain A; UniProt 1–2366 | Not recorded | Frizzled-7 × 1 (O75084) ZN ZINC ION × 1 | ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5;100 mM TRIS-HCl pH 7.5 200 mM NaCl 0.002% LMNG 0.0002% CHS 0.0002% GDN cryo-EM vitrification conditions:Cryogen ETHANE | Resolution 3.26 Å |
Other States of the Same Protein in the Database
Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.
| Other PDB | Difference from Current Entry 8QEO | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 2BVL Crystal structure of the catalytic domain of toxin B from Clostridium difficile in complex with UDP, Glc and manganese ion Deposited 2005-06-30 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–542(542 aa)
Fragment:CATALYTIC DOMAIN, RESIDUES 1-543
|
Mutation:YES | MN MANGANESE (II) ION × 1 UDP URIDINE-5'-DIPHOSPHATE × 1 GLC alpha-D-glucopyranose × 1 SO4 SULFATE ION × 1 TBR HEXATANTALUM DODECABROMIDE × 4 |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 6.5;pH 6.50
|
Resolution 2.20 Å R-free 0.244 |
| 2BVM Crystal structure of the catalytic domain of toxin B from Clostridium difficile in complex with UDP, Glc and manganese ion Deposited 2005-06-30 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–541(541 aa)
Fragment:CATALYTIC DOMAIN, RESIDUES 1-541
|
Mutation:YES | MN MANGANESE (II) ION × 1 UDP URIDINE-5'-DIPHOSPHATE × 1 GLC alpha-D-glucopyranose × 1 SO4 SULFATE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 6.5;pH 6.50
|
Resolution 2.55 Å R-free 0.245 |
| 4NC2 Crystal structure of TcdB-B1 bound to B39 VHH Deposited 2013-10-23 | Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
2248–2366(119 aa)
Fragment:UNP residues 2248-2366
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.7;295 K;0.86 M Sodium citrate, pH 6.7, 0.6 M TMAO, VAPOR DIFFUSION, HANGING DROP, temperature 295K
|
Resolution 2.50 Å R-free 0.229 |
| 4NP4 Clostridium difficile toxin B CROP domain in complex with FAB domains of neutralizing antibody bezlotoxumab Deposited 2013-11-20 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain A
1834–2099(266 aa)
Fragment:CROP domain(UNP residues 1834-2099)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 7.5;277 K;4% PEG 4000, pH 7.5, VAPOR DIFFUSION, temperature 277K
|
Resolution 2.89 Å R-free 0.232 |
| 5UQM Clostridium difficile Toxin B (TcdB) glucosyltransferase domain in complex with U2F Deposited 2017-02-08 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–543(543 aa)
Fragment:residues 1-543
|
Not recorded | MN MANGANESE (II) ION × 1 U2F URIDINE-5'-DIPHOSPHATE-2-DEOXY-2-FLUORO-ALPHA-D-GLUCOSE × 1 SO4 SULFATE ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6;294 K;0.1 M MES, 0.2 ammonium sulfate, PEG 8k 16-34%
|
Resolution 2.03 Å R-free 0.228 |
| 5UQN Clostridium difficile Toxin B (TcdB) glucosyltransferase domain in complex with U2F Deposited 2017-02-08 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–543(543 aa)
Fragment:residues 1-543
|
Not recorded | MN MANGANESE (II) ION × 1 U2F URIDINE-5'-DIPHOSPHATE-2-DEOXY-2-FLUORO-ALPHA-D-GLUCOSE × 1 SO4 SULFATE ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6;294 K;0.1 M MES, 0.2 M ammonium sulfate, PEG 8k 16-34%
|
Resolution 2.06 Å R-free 0.234 |
| 5UQT Clostridium difficile Toxin B (TcdB) glucosyltransferase domain co-crystallized with apigenin Deposited 2017-02-08 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–543(543 aa)
Fragment:residues 1-543
|
Not recorded | MN MANGANESE (II) ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;294 K;0.1 M HEPES pH 7.5-8.5, 0.2 M Mg(CH3CHOO)2, PEG 3350 5-25%
|
Resolution 2.75 Å R-free 0.236 |
| 5UQT Clostridium difficile Toxin B (TcdB) glucosyltransferase domain co-crystallized with apigenin Deposited 2017-02-08 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
1–543(543 aa)
Fragment:residues 1-543
|
Not recorded | MN MANGANESE (II) ION × 1 AGI 5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;294 K;0.1 M HEPES pH 7.5-8.5, 0.2 M Mg(CH3CHOO)2, PEG 3350 5-25%
|
Resolution 2.75 Å R-free 0.236 |
| 6AR6 Clostridioides difficile toxinB with DLD-4 darpin Deposited 2017-08-21 | Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
4–1799(1796 aa)
Chain A
1834–2099(266 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 9.00 Å |
| 6OQ8 Structure of the GTD domain of Clostridium difficile toxin B in complex with VHH 7F Deposited 2019-04-25 | Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
1–542(542 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;291 K;0.1M Tris, pH 8.8, 0.4 M ammonium sulfate, and 24% PEG 3350
|
Resolution 2.20 Å R-free 0.220 |
| 6OQ8 Structure of the GTD domain of Clostridium difficile toxin B in complex with VHH 7F Deposited 2019-04-25 | Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain B
1–542(542 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;291 K;0.1M Tris, pH 8.8, 0.4 M ammonium sulfate, and 24% PEG 3350
|
Resolution 2.20 Å R-free 0.220 |
| 7LOU Crystal structure of Clostridium difficile Toxin B (TcdB) glucosyltransferase in complex with UDP and isofagomine Deposited 2021-02-10 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
2–543(542 aa)
|
Not recorded | EDO 1,2-ETHANEDIOL × 9 UDP URIDINE-5'-DIPHOSPHATE × 1 IFM 5-HYDROXYMETHYL-3,4-DIHYDROXYPIPERIDINE × 1 MN MANGANESE (II) ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;295 K;200 mM Ammonium phosphate monobasic, 20% w/v Polyethylene glycol 3,350
|
Resolution 1.82 Å R-free 0.252 |
| 7LOU Crystal structure of Clostridium difficile Toxin B (TcdB) glucosyltransferase in complex with UDP and isofagomine Deposited 2021-02-10 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
2–543(542 aa)
|
Not recorded | EDO 1,2-ETHANEDIOL × 10 UDP URIDINE-5'-DIPHOSPHATE × 1 IFM 5-HYDROXYMETHYL-3,4-DIHYDROXYPIPERIDINE × 1 MN MANGANESE (II) ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;295 K;200 mM Ammonium phosphate monobasic, 20% w/v Polyethylene glycol 3,350
|
Resolution 1.82 Å R-free 0.252 |
| 7LOV Crystal structure of Clostridium difficile Toxin B (TcdB) glucosyltransferase in complex with UDP and noeuromycin Deposited 2021-02-10 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
2–545(544 aa)
|
Not recorded | NOY (2R,3S,4R,5R)-5-(HYDROXYMETHYL)PIPERIDINE-2,3,4-TRIOL × 1 UDP URIDINE-5'-DIPHOSPHATE × 1 GOL GLYCEROL × 3 MN MANGANESE (II) ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 5.6;295 K;85 mM Sodium Citrate pH 5.6, 170 mM Ammonium Acetate, 25.5 % (w/v) PEG 4000, 15 %(v/v) Glycerol
|
Resolution 2.50 Å R-free 0.248 |
| 7LOV Crystal structure of Clostridium difficile Toxin B (TcdB) glucosyltransferase in complex with UDP and noeuromycin Deposited 2021-02-10 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
2–545(544 aa)
|
Not recorded | NOY (2R,3S,4R,5R)-5-(HYDROXYMETHYL)PIPERIDINE-2,3,4-TRIOL × 1 UDP URIDINE-5'-DIPHOSPHATE × 1 GOL GLYCEROL × 2 MN MANGANESE (II) ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 5.6;295 K;85 mM Sodium Citrate pH 5.6, 170 mM Ammonium Acetate, 25.5 % (w/v) PEG 4000, 15 %(v/v) Glycerol
|
Resolution 2.50 Å R-free 0.248 |
| 7ML7 Structural basis for CSPG4 as a receptor for TcdB and a therapeutic target in Clostridioides difficile infection Deposited 2021-04-27 | Different construct Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
1–1967(1967 aa)
|
Not recorded | ZN ZINC ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.17 Å |
| 7N8X Partial C. difficile TcdB and CSPG4 fragment Deposited 2021-06-16 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
374–1876(1503 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.40 Å |
| 7N95 state 1 of TcdB and FZD2 at pH5 Deposited 2021-06-16 | Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
1–2366(2366 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.10 Å |
| 7N97 State 2 of TcdB and FZD2 at pH5 Deposited 2021-06-17 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
2–2366(2365 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 5.10 Å |
| 7N9Q State 3 of TcdB and FZD2 at pH5 Deposited 2021-06-18 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
2–2366(2365 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.60 Å |
| 7N9R state 4 of TcdB and FZD2 at pH5 Deposited 2021-06-18 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–2366(2366 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 5.90 Å |
| 7N9S TcdB and frizzled-2 CRD complex Deposited 2021-06-18 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
2–2366(2365 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 5.10 Å |
| 7N9Y Full-length TcdB and CSPG4 (401-560) complex Deposited 2021-06-18 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
2–2366(2365 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.80 Å |
| 7S0Y Structures of TcdB in complex with Cdc42 Deposited 2021-08-31 | Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
1–540(540 aa)
|
Not recorded | MN MANGANESE (II) ION × 1 UDP URIDINE-5'-DIPHOSPHATE × 1 SO4 SULFATE ION × 11 GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;291 K;0.1 M sodium cacodylate (pH 6.6), 2.4 M ammonium sulfate, and 2.5% (v/v) Jeffamine M-600 (pH 7.0)
|
Resolution 2.79 Å R-free 0.259 |
| 7SO5 Novel structural insights for a pair of monoclonal antibodies recognizing non-overlapping epitopes of the glucosyltransferase domain of Clostridium difficile toxin B Deposited 2021-10-29 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain A
3–543(541 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;0.1 M TRIS pH 8.2 and 39% polyethylene glycol 400
|
Resolution 1.80 Å R-free 0.223 |
| 7SO7 Novel structural insights for a pair of monoclonal antibodies recognizing non-overlapping epitopes of the glucosyltransferase domain of Clostridium difficile toxin B Deposited 2021-10-29 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain A
1–538(538 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;0.1M Na cacodylate, 0.2M CaCl2, 40% PEG400
|
Resolution 3.59 Å R-free 0.258 |
| 7SO7 Novel structural insights for a pair of monoclonal antibodies recognizing non-overlapping epitopes of the glucosyltransferase domain of Clostridium difficile toxin B Deposited 2021-10-29 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain B
1–538(538 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;0.1M Na cacodylate, 0.2M CaCl2, 40% PEG400
|
Resolution 3.59 Å R-free 0.258 |
| 8QEN cryo-EM structure of apo Clostridioides difficile toxin B Deposited 2023-09-01 | Different oligomeric state Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–2366(2366 aa)
|
Not recorded | ZN ZINC ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5;100 mM TRIS-HCl pH 7.5
200 mM NaCl
0.002% LMNG
0.0002% CHS
0.0002% GDN
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.40 Å |
| 8Y2L The Crystal Structure of Glucosyltransferase TcdB from Clostridioides difficile Deposited 2024-01-26 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 3 PDB declaration: trimeric |
Chain A
2–543(542 aa)
Chain B
2–543(542 aa)
Chain C
2–543(542 aa)
|
Mutation:Y59C, E244G, S452A Mutation:Y59C, E244G, S452A Mutation:Y59C, E244G, S452A | MN MANGANESE (II) ION × 3 UDP URIDINE-5'-DIPHOSPHATE × 3 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;277 K;0.01M RbCl, 0.01M SrAc2, 0.01M CsAc, 0.01M BaAc2, 0.1M BES, TEA pH7.5, 12.5% PEG4,000, 20% 1,2,6- Hexanetriol
|
Resolution 3.95 Å R-free 0.300 |
| 8Y9B TcdB1 in complex with mini-binder Deposited 2024-02-06 | Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain B
1–2366(2366 aa)
|
Not recorded | ZN ZINC ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.20 Å |
| 9BJA C. difficile Tcdb cysteine protease domain in complex with IP6 Deposited 2024-04-25 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
544–797(254 aa)
Fragment:Cysteine protease domain
Chain B
544–797(254 aa)
Fragment:Cysteine protease domain
|
Not recorded | IHP INOSITOL HEXAKISPHOSPHATE × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;295 K;0.1 M Tris HCl, pH 8.2, 36% (w/v) PEG2000 monomethyl ether
|
Resolution 2.10 Å R-free 0.257 |
| 9CM5 CryoEM Strucuture of TcdB in complex with De Novo Minibinder fzd48 Deposited 2024-07-12 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
1–2100(2100 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.61 Å |
| 9MF4 De novo designed minibinder complexed with Clostridioides difficile Toxin B Deposited 2024-12-09 | Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
1–2366(2366 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE;30s preblot incubation on grid.
2-3s blot time.
|
Resolution 3.02 Å |
| 9NFU CryoEM Structure of De Novo Antibody Fragment scFv 6 with C. difficile Toxin B (TcdB) Deposited 2025-02-21 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
1–2100(2100 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5;150 mM NaCl, 40 mM Tris/ HCl pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.60 Å |
| 9OHC CryoEM structure of Toxin B (TcdB) from clostridioides difficile complexed with taurochenodeoxycholic acid (TCDCA) Deposited 2025-05-04 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–2366(2366 aa)
|
Not recorded | TUD TAUROCHENODEOXYCHOLIC ACID × 3 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8;500 micromolar of TCDCA was added before freezing.
cryo-EM vitrification conditions
Cryogen ETHANE;30s preblot incubation on grid.
2-3s blot time.
|
Resolution 3.28 Å |
| 9OHD CryoEM structure of Toxin B (TcdB) from clostridioides difficile complexed with methyl cholate Deposited 2025-05-04 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–2366(2366 aa)
|
Not recorded | A1CBA methyl cholate × 3 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8;200 micromolar of methyl cholate was added before freezing.
cryo-EM vitrification conditions
Cryogen ETHANE;30s preblot incubation on grid.
2-3s blot time.
|
Resolution 2.87 Å |
| 9OHE CryoEM structure of apo Toxin B (TcdB) from Clostridioides difficile in the closed CROP state Deposited 2025-05-04 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–2366(2366 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8;4% DMSO was added before freezing.
cryo-EM vitrification conditions
Cryogen ETHANE;30s preblot incubation on grid.
2-3s blot time.
|
Resolution 3.59 Å |
| 9OHF CryoEM structure of apo Toxin B (TcdB) from Clostridioides difficile in the open CROP state Deposited 2025-05-04 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
1–2366(2366 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8;4% DMSO was added before freezing.
cryo-EM vitrification conditions
Cryogen ETHANE;30s preblot incubation on grid.
2-3s blot time.
|
Resolution 3.19 Å |
33 other PDB entries and 38 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | TCDB_CLODI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 15–2380; UniProt 1–2366 |