3NVO

The Soluble Domain Structure of the ZntB Zn2+ Efflux System

• PDB DOI: https://doi.org/10.2210/pdb3NVO/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium
• Expression System: Escherichia coli
• Mutation(s): No 
• Membrane Protein: Yes  mpstruc


• Deposited: 2010-07-08 Released: 2011-03-23 
• Deposition Author(s): Wan, Q., Dealwis, C.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.256 
• R-Value Work: 0.201 
• R-Value Observed: 0.204 

Literature

The Soluble Domain Structure of the ZntB Zn2+ Efflux System

Wan, Q., Gorzelle, B., Fuente, M., Mohammed, F., Dealwis, C., Maguire, M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 60.54 kDa 
• Atom Count: 3,935 
• Modelled Residue Count: 497 
• Deposited Residue Count: 528 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Zinc transport protein zntB	A, B	264	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 0  Gene Names: zntB, STM1656 Membrane Entity: Yes
UniProt
Find proteins for Q9EYX5 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore Q9EYX5  Go to UniProtKB:  Q9EYX5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A], E [auth A], J [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ZN	F [auth A], G [auth A], H [auth A], I [auth A], K [auth B], L [auth B], M [auth B], N [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.256 
• R-Value Work: 0.201 
• R-Value Observed: 0.204 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.039	α = 90
b = 93.845	β = 91.58
c = 68.231	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-03-23 
Deposition Author(s): Wan, Q., Dealwis, C.

Revision History  

• Version 1.0: 2011-03-23
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-02-21
  Changes: Data collection, Database references, Derived calculations