3SET
Ni-mediated Dimer of Maltose-binding Protein A216H/K220H by Synthetic Symmetrization (Form I)
- PDB DOI: https://doi.org/10.2210/pdb3SET/pdb
- Classification: SUGAR BINDING PROTEIN
- Organism(s): Escherichia coli K-12
- Expression System: Escherichia coli
- Mutation(s): Yes 
- Deposited: 2011-06-11 Released: 2011-09-21 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.90 Å
- R-Value Free: 0.282 
- R-Value Work: 0.232 
- R-Value Observed: 0.234 
wwPDB Validation   3D Report Full Report
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 |
Maltose-binding periplasmic protein | A, B [auth C] | 372 | Escherichia coli K-12 | Mutation(s): 2  Gene Names: b4034, JW3994, malE | |
UniProt | |||||
Find proteins for P0AEX9 (Escherichia coli (strain K12)) Explore P0AEX9  Go to UniProtKB:  P0AEX9 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P0AEX9 | ||||
Sequence AnnotationsExpand | |||||
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Oligosaccharides
Small Molecules
Ligands 1 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
NI Query on NI | E [auth A], F [auth C] | NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N |
Biologically Interesting Molecules (External Reference) 1 Unique
Entity ID: 2 | |||||
---|---|---|---|---|---|
ID | Chains | Name | Type/Class | 2D Diagram | 3D Interactions |
PRD_900001 Query on PRD_900001 | C [auth B], D | alpha-maltose | Oligosaccharide / Nutrient |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.90 Å
- R-Value Free: 0.282 
- R-Value Work: 0.232 
- R-Value Observed: 0.234 
- Space Group: P 1 21 1
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 72.94 | α = 90 |
b = 62.27 | β = 109.03 |
c = 89.71 | γ = 90 |
Software Name | Purpose |
---|---|
XSCALE | data scaling |
PHASER | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
Entry History 
Deposition Data
- Released Date: 2011-09-21  Deposition Author(s): Zhao, M., Soriaga, A.B., Laganowsky, A., Sawaya, M.R., Cascio, D., Yeates, T.O.
Revision History (Full details and data files)
- Version 1.0: 2011-09-21
Type: Initial release - Version 1.1: 2011-11-02
Changes: Database references - Version 2.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary - Version 2.1: 2024-02-28
Changes: Data collection, Database references, Structure summary