3QEC

Crystal structure of a putative carbohydrate binding protein (PA1324) from Pseudomonas aeruginosa at 2.61 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3QEC/pdb

• Classification: CARBOHYDRATE-BINDING PROTEIN
• Organism(s): Pseudomonas aeruginosa
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2011-01-20 Released: 2011-03-02 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.61 Å
• R-Value Free: 0.226 
• R-Value Work: 0.210 
• R-Value Observed: 0.211 

Literature

Crystal structure of a putative carbohydrate binding protein (PA1324) from Pseudomonas aeruginosa at 2.61 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 16.98 kDa 
• Atom Count: 1,203 
• Modelled Residue Count: 145 
• Deposited Residue Count: 150 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative carbohydrate binding protein	A	150	Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: PA1324
UniProt
Find proteins for Q9I420 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I420  Go to UniProtKB:  Q9I420

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PGE	G [auth A]	TRIETHYLENE GLYCOL C6 H14 O4 ZIBGPFATKBEMQZ-UHFFFAOYSA-N
PEG	E [auth A], F [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	C [auth A], D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-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: 2.61 Å
• R-Value Free: 0.226 
• R-Value Work: 0.210 
• R-Value Observed: 0.211 
• Space Group: P 4₃ 3 2
• Diffraction Data: https://doi.org/10.18430/M33QEC

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 132.787	α = 90
b = 132.787	β = 90
c = 132.787	γ = 90

Software Package:

Software Name	Purpose
SOLVE	phasing
BUSTER-TNT	refinement
XSCALE	data processing
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
BUSTER	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-03-02 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2011-03-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2011-07-20
  Changes: Structure summary
• Version 1.3: 2023-02-01
  Changes: Database references, Derived calculations