9C89

Crystal structure of outer membrane lipoprotein carrier protein (LolA) from Ehrlichia chaffeensis

• PDB DOI: https://doi.org/10.2210/pdb9C89/pdb

• Classification: LIPID TRANSPORT
• Organism(s): Ehrlichia chaffeensis str. Arkansas
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2024-06-12 Released: 2024-06-19 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease, Seattle Structural Genomics Center for Infectious Disease (SSGCID)
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID), National Institutes of Health/Office of the Director

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.259 
• R-Value Work: 0.230 
• R-Value Observed: 0.232 

Starting Model: in silico

Literature

Crystal structure of outer membrane lipoprotein carrier protein (LolA) from Ehrlichia chaffeensis

Lovell, S., Cooper, A., Buchko, G.W., Battaile, K.P.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 22.59 kDa 
• Atom Count: 1,373 
• Modelled Residue Count: 169 
• Deposited Residue Count: 194 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane lipoprotein carrier protein LolA	A	194	Ehrlichia chaffeensis str. Arkansas	Mutation(s): 0  Gene Names: ECH_1053
UniProt
Find proteins for Q2GFE5 (Ehrlichia chaffeensis (strain ATCC CRL-10679 / Arkansas)) Explore Q2GFE5  Go to UniProtKB:  Q2GFE5

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PG4	E [auth A]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.259 
• R-Value Work: 0.230 
• R-Value Observed: 0.232 
• Space Group: P 6₄
• Diffraction Data: https://doi.org/10.18430/m39c89

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 100.956	α = 90
b = 100.956	β = 90
c = 63.669	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-19 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease, Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	75N93022C00036
National Institutes of Health/Office of the Director	United States	S10OD030394

Revision History  

• Version 1.0: 2024-06-19
  Type: Initial release