5ELE
Cholera toxin El Tor B-pentamer in complex with A Lewis-y
- PDB DOI: https://doi.org/10.2210/pdb5ELE/pdb
- Classification: TOXIN
- Organism(s): Vibrio cholerae O1
- Expression System: Vibrio sp.
- Mutation(s): No 
- Deposited: 2015-11-04 Released: 2016-03-30 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.60 Å
- R-Value Free: 0.226 
- R-Value Work: 0.183 
- R-Value Observed: 0.185 
This is version 2.1 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 |
Cholera enterotoxin subunit B | 103 | Vibrio cholerae O1 | Mutation(s): 0  Gene Names: ctxB, toxB, VC_1456 | ||
UniProt | |||||
Find proteins for P01556 (Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961)) Explore P01556  Go to UniProtKB:  P01556 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P01556 | ||||
Sequence AnnotationsExpand | |||||
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Oligosaccharides
Entity ID: 2 | |||||
---|---|---|---|---|---|
Molecule | Chains | Length | 2D Diagram | Glycosylation | 3D Interactions |
alpha-L-fucopyranose-(1-2)-[2-acetamido-2-deoxy-alpha-D-galactopyranose-(1-3)]beta-D-galactopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-alpha-D-glucopyranose | K, L, M | 5 | N/A | ||
Glycosylation Resources | |||||
GlyTouCan:  G62623TF GlyCosmos:  G62623TF GlyGen:  G62623TF |
Small Molecules
Ligands 5 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
1PE Query on 1PE | JA [auth F] | PENTAETHYLENE GLYCOL C10 H22 O6 JLFNLZLINWHATN-UHFFFAOYSA-N | |||
NAG Query on NAG | KA [auth G] | 2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N | |||
FUC Query on FUC | IA [auth F], LA [auth H], MA [auth I], O [auth A] | alpha-L-fucopyranose C6 H12 O5 SHZGCJCMOBCMKK-SXUWKVJYSA-N | |||
BCN Query on BCN | AA [auth D] CA [auth D] EA [auth E] GA [auth E] P [auth A] | BICINE C6 H13 N O4 FSVCELGFZIQNCK-UHFFFAOYSA-N | |||
CA Query on CA | BA [auth D] DA [auth D] FA [auth E] HA [auth E] N [auth A] | CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N |
Biologically Interesting Molecules (External Reference) 1 Unique
Entity ID: 2 | |||||
---|---|---|---|---|---|
ID | Chains | Name | Type/Class | 2D Diagram | 3D Interactions |
PRD_900128 Query on PRD_900128 | K, L, M | Blood group A Lewis Y antigen, alpha anomer | Oligosaccharide / Antigen |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.60 Å
- R-Value Free: 0.226 
- R-Value Work: 0.183 
- R-Value Observed: 0.185 
- Space Group: P 21 21 21
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 63.543 | α = 90 |
b = 82.973 | β = 90 |
c = 196.555 | γ = 90 |
Software Name | Purpose |
---|---|
REFMAC | refinement |
XDS | data reduction |
XDS | data scaling |
MOLREP | phasing |
Entry History 
Deposition Data
- Released Date: 2016-03-30  Deposition Author(s): Heggelund, J.E., Burschowsky, D., Krengel, U.
Revision History (Full details and data files)
- Version 1.0: 2016-03-30
Type: Initial release - Version 1.1: 2016-04-27
Changes: Database references - Version 2.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary - Version 2.1: 2024-01-10
Changes: Data collection, Database references, Refinement description, Structure summary