1EEI
CHOLERA TOXIN B-PENTAMER COMPLEXED WITH METANITROPHENYL-ALPHA-D-GALACTOSE
- PDB DOI: https://doi.org/10.2210/pdb1EEI/pdb
- Classification: TOXIN
- Organism(s): Vibrio cholerae
- Expression System: Escherichia coli
- Mutation(s): No 
- Deposited: 2000-01-31 Released: 2000-02-16 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 2.00 Å
- R-Value Free: 0.251 
- R-Value Work: 0.200 
- R-Value Observed: 0.200 
This is version 1.4 of the entry. See complete history. 
Macromolecules
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 1 | |||||
---|---|---|---|---|---|
Molecule | Chains | Sequence Length | Organism | Details | Image |
PROTEIN (CHOLERA TOXIN B) | A [auth D], B [auth E], C [auth F], D [auth G], E [auth H] | 103 | Vibrio cholerae | Mutation(s): 0  | |
UniProt | |||||
Find proteins for Q57193 (Vibrio cholerae) Explore Q57193  Go to UniProtKB:  Q57193 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | Q57193 | ||||
Sequence AnnotationsExpand | |||||
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Small Molecules
Ligands 1 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
GAA Query on GAA | F [auth D], G [auth E], H [auth F], I [auth G], J [auth H] | 3-nitrophenyl alpha-D-galactopyranoside C12 H15 N O8 VCCMGHVCRFMITI-IIRVCBMXSA-N |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 2.00 Å
- R-Value Free: 0.251 
- R-Value Work: 0.200 
- R-Value Observed: 0.200 
- Space Group: P 21 21 21
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 68.9 | α = 90 |
b = 69.55 | β = 90 |
c = 130.66 | γ = 90 |
Software Name | Purpose |
---|---|
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
X-PLOR | refinement |
Entry History 
Deposition Data
- Released Date: 2000-02-16  Deposition Author(s): Merritt, E.A., Hol, W.G.J.
Revision History (Full details and data files)
- Version 1.0: 2000-02-16
Type: Initial release - Version 1.1: 2008-04-27
Changes: Version format compliance - Version 1.2: 2011-07-13
Changes: Version format compliance - Version 1.3: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Data collection, Derived calculations, Structure summary - Version 1.4: 2023-08-09
Changes: Data collection, Database references, Refinement description, Structure summary