2XRH

Crystal structure of the truncated form of HP0721

• PDB DOI: https://doi.org/10.2210/pdb2XRH/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Helicobacter pylori 26695
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2010-09-15 Released: 2011-09-28 
• Deposition Author(s): Cioci, G., Terradot, L., Dian, C., Muller-Dieckmann, C., Leonard, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.210 
• R-Value Work: 0.175 
• R-Value Observed: 0.177 

Literature

Crystal Structure of Hp0721, a Novel Secreted Protein from Helicobacter Pylori.

Cioci, G., Terradot, L., Dian, C., Mueller-Dieckmann, C., Leonard, G.

(2011) Proteins 79: 1678

• PubMed: 21365686 
• DOI: https://doi.org/10.1002/prot.22988
• Primary Citation of Related Structures:  
  2XRH

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Organizational Affiliation: 

Structural Biology Group, European Synchrotron Radiation Facility, Grenoble, France. [e-mail]

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 (software)

Macromolecule Content

• Total Structure Weight: 11.64 kDa 
• Atom Count: 968 
• Modelled Residue Count: 100 
• Deposited Residue Count: 100 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN HP0721	A	100	Helicobacter pylori 26695	Mutation(s): 0
UniProt
Find proteins for O25423 (Helicobacter pylori (strain ATCC 700392 / 26695)) Explore O25423  Go to UniProtKB:  O25423

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NIO	B [auth A]	NICOTINIC ACID C6 H5 N O2 PVNIIMVLHYAWGP-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.210 
• R-Value Work: 0.175 
• R-Value Observed: 0.177 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.77	α = 90
b = 47.77	β = 90
c = 83.36	γ = 120

Software Package:

Software Name	Purpose
XDS	data reduction
XDS	data scaling
SHELXD	phasing
SHARP	phasing
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-09-28 
Deposition Author(s): Cioci, G., Terradot, L., Dian, C., Muller-Dieckmann, C., Leonard, G.

Revision History  

• Version 1.0: 2011-09-28
  Type: Initial release
  
• Version 1.1: 2017-10-18
  Changes: Data collection
• Version 1.2: 2024-05-08
  Changes: Data collection, Database references, Derived calculations, Other