2H0U

Crystal structure of NAD(P)H-flavin oxidoreductase from Helicobacter pylori

• PDB DOI: https://doi.org/10.2210/pdb2H0U/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Helicobacter pylori
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2006-05-15 Released: 2006-06-13 
• Deposition Author(s): Chang, C., Xu, X., Zheng, H., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 
  0.221 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.178 (Depositor), 0.177 (DCC) 
• R-Value Observed: 
  0.180 (Depositor) 

Literature

Crystal structure of NAD(P)H-flavin oxidoreductase from Helicobacter pylori

Chang, C., Xu, X., Zheng, H., Savchenko, A., Edwards, A., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 26.35 kDa 
• Atom Count: 1,842 
• Modelled Residue Count: 196 
• Deposited Residue Count: 217 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NADPH-flavin oxidoreductase	A	217	Helicobacter pylori	Mutation(s): 12  Gene Names: frxA
UniProt
Find proteins for Q7BGI8 (Helicobacter pylori) Explore Q7BGI8  Go to UniProtKB:  Q7BGI8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FMN	B [auth A]	FLAVIN MONONUCLEOTIDE C17 H21 N4 O9 P FVTCRASFADXXNN-SCRDCRAPSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free:  0.221 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.178 (Depositor), 0.177 (DCC) 
• R-Value Observed: 0.180 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.035	α = 90
b = 87.178	β = 90
c = 94.979	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data scaling
HKL-3000	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-06-13 
Deposition Author(s): Chang, C., Xu, X., Zheng, H., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-06-13
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Derived calculations, Version format compliance
• Version 1.3: 2024-10-16
  Changes: Data collection, Database references, Derived calculations, Structure summary