5YUO

Crystal structure of SSB protein from Pseudomonas aeruginosa PAO1

• PDB DOI: https://doi.org/10.2210/pdb5YUO/pdb

• Classification: DNA BINDING PROTEIN
• Organism(s): Pseudomonas aeruginosa PAO1
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2017-11-22 Released: 2018-10-31 
• Deposition Author(s): Huang, Y.H., Huang, C.Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.04 Å
• R-Value Free: 0.258 
• R-Value Work: 0.217 
• R-Value Observed: 0.220 

Literature

The glycine-rich flexible region in SSB is crucial for PriA stimulation.

Huang, Y.H., Huang, C.Y.

(2018) RSC Adv 8: 35280-35288

• DOI: https://doi.org/10.1039/C8RA07306F

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 55.28 kDa 
• Atom Count: 3,323 
• Modelled Residue Count: 408 
• Deposited Residue Count: 484 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Single-stranded DNA-binding protein	A, B, C, D	121	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: ssb, PA4232
UniProt
Find proteins for P40947 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore P40947  Go to UniProtKB:  P40947

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	E [auth B], F [auth C]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.04 Å
• R-Value Free: 0.258 
• R-Value Work: 0.217 
• R-Value Observed: 0.220 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 102.208	α = 90
b = 64.104	β = 112.96
c = 97.103	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-10-31 
Deposition Author(s): Huang, Y.H., Huang, C.Y.

Revision History  

• Version 1.0: 2018-10-31
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Data collection, Database references, Refinement description