4RXU

Crystal structure of carbohydrate transporter solute binding protein CAUR_1924 from Chloroflexus aurantiacus, Target EFI-511158, in complex with D-glucose

• PDB DOI: https://doi.org/10.2210/pdb4RXU/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Chloroflexus aurantiacus J-10-fl
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2014-12-11 Released: 2014-12-24 
• Deposition Author(s): Patskovsky, Y., Toro, R., Bhosle, R., Al Obaidi, N., Morisco, L.L., Wasserman, S.R., Chamala, S., Attonito, J.D., Scott Glenn, A., Chowdhury, S., Lafleur, J., Hillerich, B., Siedel, R.D., Love, J., Whalen, K.L., Gerlt, J.A., Almo, S.C., Enzyme Function Initiative (EFI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.177 
• R-Value Work: 0.129 
• R-Value Observed: 0.130 

Literature

Crystal structure of sugar transporter CAUR_1924 from Chloroflexus aurantiacus, Target EFI-511158

Patskovsky, Y., Toro, R., Bhosle, R., Al Obaidi, N., Chamala, S., Scott Glenn, A., Attonito, J.D., Chowdhury, S., Lafleur, J., Siedel, R.D., Morisco, L.L., Wasserman, S.R., Hillerich, B., Love, J., Whalen, K.L., Gerlt, J.A., Almo, S.C.

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)

Macromolecule Content

• Total Structure Weight: 39.26 kDa 
• Atom Count: 3,091 
• Modelled Residue Count: 340 
• Deposited Residue Count: 367 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Periplasmic sugar-binding protein	A	367	Chloroflexus aurantiacus J-10-fl	Mutation(s): 0  Gene Names: Caur_1924
UniProt
Find proteins for A9WDY0 (Chloroflexus aurantiacus (strain ATCC 29366 / DSM 635 / J-10-fl)) Explore A9WDY0  Go to UniProtKB:  A9WDY0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	B [auth A]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
BGC	C [auth A]	beta-D-glucopyranose C6 H12 O6 WQZGKKKJIJFFOK-VFUOTHLCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.177 
• R-Value Work: 0.129 
• R-Value Observed: 0.130 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.037	α = 90
b = 51.426	β = 90
c = 140.125	γ = 90

Software Package:

Software Name	Purpose
SHELX	model building
ARP/wARP	model building
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
SHELX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-12-24 
Deposition Author(s): Patskovsky, Y., Toro, R., Bhosle, R., Al Obaidi, N., Morisco, L.L., Wasserman, S.R., Chamala, S., Attonito, J.D., Scott Glenn, A., Chowdhury, S., Lafleur, J., Hillerich, B., Siedel, R.D., Love, J., Whalen, K.L., Gerlt, J.A., Almo, S.C., Enzyme Function Initiative (EFI)

Revision History  

• Version 1.0: 2014-12-24
  Type: Initial release
  
• Version 1.1: 2018-01-24
  Changes: Structure summary
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.3: 2024-02-28
  Changes: Data collection, Database references, Structure summary