5GUY

Structural and functional study of chuY from E. coli CFT073 strain

• PDB DOI: https://doi.org/10.2210/pdb5GUY/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Escherichia coli CFT073
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2016-08-31 Released: 2017-03-08 
• Deposition Author(s): Kim, H., Choi, J., HA, S.C., Chaurasia, A.K., Kim, D., Kim, K.K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.259 
• R-Value Work: 0.208 
• R-Value Observed: 0.213 

Literature

Structural and functional study of ChuY from Escherichia coli strain CFT073

Kim, H., Chaurasia, A.K., Kim, T., Choi, J., Ha, S.C., Kim, D., Kim, K.K.

(2017) Biochem Biophys Res Commun 482: 1176-1182

• PubMed: 27919686 
• DOI: https://doi.org/10.1016/j.bbrc.2016.12.008
• Primary Citation of Related Structures:  
  5GUY


• PubMed Abstract: 
  

  The uropathogenic Escherichia coli strain CFT073 contains multiple iron and heme transport systems, which facilitate infection of the host urinary tract. To elucidate the molecular and cellular function of ChuY, a hypothetical gene in the heme degradation/utilization pathway, we solved the crystal structure of ChuY at 2.4 Å resolution. ChuY has high structural homology with human biliverdin and flavin reductase. We confirmed that ChuY has flavin mononucleotide (FMN) reductase activity, using NAD(P)H as a cofactor, and shows porphyrin ring binding affinity. A chuY deletion-insertion strain showed reduced survival potential compared to wild-type and complemented strains in mammalian cells. Current results suggest ChuY acts as a reductase in heme homeostasis to maintain the virulence potential of E. coli CFT073.

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Organizational Affiliation: 

Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Gyeonggi 16419, South Korea.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 46.07 kDa 
• Atom Count: 2,823 
• Modelled Residue Count: 379 
• Deposited Residue Count: 430 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein chuY	A, B	215	Escherichia coli CFT073	Mutation(s): 0  Gene Names: chuY, c4316
UniProt
Find proteins for A0A0H2VDD2 (Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC)) Explore A0A0H2VDD2  Go to UniProtKB:  A0A0H2VDD2

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.259 
• R-Value Work: 0.208 
• R-Value Observed: 0.213 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.686	α = 90
b = 67.836	β = 90.35
c = 64.381	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-03-08 
Deposition Author(s): Kim, H., Choi, J., HA, S.C., Chaurasia, A.K., Kim, D., Kim, K.K.

Revision History  

• Version 1.0: 2017-03-08
  Type: Initial release