8C8F

Crystal structure of the E. coli maltodextrin-binding protein

• PDB DOI: https://doi.org/10.2210/pdb8C8F/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2023-01-19 Released: 2023-02-22 
• Deposition Author(s): Marquez Espinoza, A., Rodrigues, M.J., Olieric, V., Freisinger, E.
• Funding Organization(s): Swiss National Science Foundation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.15 Å
• R-Value Free: 0.152 
• R-Value Work: 0.124 
• R-Value Observed: 0.125 

Literature

Crystal structure of the E. coli maltodextrin-binding protein

Marquez Espinoza, A., Rodrigues, M.J., Olieric, V., Freisinger, E.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 43.54 kDa 
• Atom Count: 3,358 
• Modelled Residue Count: 370 
• Deposited Residue Count: 396 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Maltose/maltodextrin-binding periplasmic protein	A	396	Escherichia coli BL21	Mutation(s): 0
UniProt
Find proteins for P0AEX9 (Escherichia coli (strain K12)) Explore P0AEX9  Go to UniProtKB:  P0AEX9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	B [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.15 Å
• R-Value Free: 0.152 
• R-Value Work: 0.124 
• R-Value Observed: 0.125 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.709	α = 90
b = 64.961	β = 101.05
c = 57.09	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-02-22 
Deposition Author(s): Marquez Espinoza, A., Rodrigues, M.J., Olieric, V., Freisinger, E.

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Funding Organization	Location	Grant Number
Swiss National Science Foundation	Switzerland	--

Revision History  

• Version 1.0: 2023-02-22
  Type: Initial release