3LR0

Periplasmic domain of the risS sensor protein from Burkholderia pseudomallei, iodide phased at low pH

• PDB DOI: https://doi.org/10.2210/pdb3LR0/pdb

• Classification: TRANSFERASE
• Organism(s): Burkholderia pseudomallei
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-02-10 Released: 2010-06-16 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.254 
• R-Value Work: 0.211 
• R-Value Observed: 0.213 

Literature

Structural basis for pH sensing by the periplasmic domain of the risS histidine kinase from Bukholderia pseudomallei

Edwards, T.E., Abendroth, J., Staker, B.L., Phan, I., Myler, P., Stacy, R., Stewart, L., Miller, S.I., Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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 (software)

Macromolecule Content

• Total Structure Weight: 17.21 kDa 
• Atom Count: 932 
• Modelled Residue Count: 102 
• Deposited Residue Count: 143 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sensor protein	A	143	Burkholderia pseudomallei	Mutation(s): 0  Gene Names: BPSL2095 EC: 2.7.13.3
UniProt
Find proteins for Q63T74 (Burkholderia pseudomallei (strain K96243)) Explore Q63T74  Go to UniProtKB:  Q63T74

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
IOD	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	IODIDE ION I XMBWDFGMSWQBCA-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.254 
• R-Value Work: 0.211 
• R-Value Observed: 0.213 
• Space Group: P 3₂ 2 1
• Diffraction Data: https://doi.org/10.18430/M33LR0

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.36	α = 90
b = 58.36	β = 90
c = 75.69	γ = 120

Software Package:

Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-06-16 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2010-06-16
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2024-02-21
  Changes: Data collection, Database references, Derived calculations