4H59

Crystal structure of iron uptake ABC transporter substrate-binding protein PiaA from Streptococcus pneumoniae Canada MDR_19A bound to Bis-tris propane

• PDB DOI: https://doi.org/10.2210/pdb4H59/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Streptococcus pneumoniae str. Canada MDR_19A
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2012-09-18 Released: 2012-10-03 
• Deposition Author(s): Stogios, P.J., Wawrzak, Z., Kudritska, M., Minasov, G., Yim, V., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.66 Å
• R-Value Free: 0.191 
• R-Value Work: 0.166 
• R-Value Observed: 0.167 

Literature

Crystal structure of iron uptake ABC transporter substrate-binding protein PiaA from Streptococcus pneumoniae Canada MDR_19A bound to Bis-tris propane

Stogios, P.J., Wawrzak, Z., Kudritska, M., Minasov, G., Yim, V., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 34.41 kDa 
• Atom Count: 2,897 
• Modelled Residue Count: 306 
• Deposited Residue Count: 308 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Iron-compound ABC transporter, iron compound-binding protein	A	308	Streptococcus pneumoniae str. Canada MDR_19A	Mutation(s): 0  Gene Names: SpneCM_010100006939
UniProt
Find proteins for Q8DPY6 (Streptococcus pneumoniae (strain ATCC BAA-255 / R6)) Explore Q8DPY6  Go to UniProtKB:  Q8DPY6

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
B3P	B [auth A]	2-[3-(2-HYDROXY-1,1-DIHYDROXYMETHYL-ETHYLAMINO)-PROPYLAMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C11 H26 N2 O6 HHKZCCWKTZRCCL-UHFFFAOYSA-N
GOL	C [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	D [auth A], E [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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: 1.66 Å
• R-Value Free: 0.191 
• R-Value Work: 0.166 
• R-Value Observed: 0.167 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data: https://doi.org/10.18430/m34h59

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.041	α = 90
b = 68.045	β = 90
c = 99.272	γ = 90

Software Package:

Software Name	Purpose
HKL-3000	data collection
PHENIX	model building
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-10-03 
Deposition Author(s): Stogios, P.J., Wawrzak, Z., Kudritska, M., Minasov, G., Yim, V., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2012-10-03
  Type: Initial release
  
• Version 1.1: 2016-05-04
  Changes: Structure summary
• Version 1.2: 2024-11-27
  Changes: Data collection, Database references, Derived calculations, Structure summary