9AZZ | pdb_00009azz

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

• PDB DOI: https://doi.org/10.2210/pdb9AZZ/pdb

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


• Deposited: 2024-03-11 Released: 2024-03-20 
• Deposition Author(s): 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

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.262 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.216 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.218 (Depositor) 

Starting Model: in silico

Literature

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

Liu, L., Lovell, S., Cooper, A., Battaile, K.P.

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)

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 64.92 kDa 
• Atom Count: 4,252 
• Modeled Residue Count: 515 
• Deposited Residue Count: 558 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane lipoprotein carrier protein LolA	A, B, C	186	Ehrlichia ruminantium str. Gardel	Mutation(s): 0  Gene Names: EDL81_04530

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PG4 (Subject of Investigation/LOI)	F [auth B]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
GOL	D [auth A], E [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.262 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.216 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.218 (Depositor) 

Diffraction Data: https://doi.org/10.18430/m39azz

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.647	α = 90
b = 53.021	β = 116.96
c = 80.802	γ = 90

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: 2024-03-20 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

---

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: 2024-03-20
  Type: Initial release