7QLH

Crystal structure of S-layer protein SlpA from Lactobacillus amylovorus, domain I (aa 48-213)

• PDB DOI: https://doi.org/10.2210/pdb7QLH/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Lactobacillus amylovorus
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2021-12-20 Released: 2022-12-28 
• Deposition Author(s): Grininger, C., Sagmeister, T., Eder, E., Vejzovic, D., Pavkov-Keller, T.
• Funding Organization(s): Austrian Science Fund

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.283 
• R-Value Work: 0.223 
• R-Value Observed: 0.226 

Literature

The self-assembly of the S-layer protein from Lactobacilli acidophilus

Sagmeister, T., Eder, M., Grininger, C., Vejzovic, D., Dordic, A., Buhlheller, C., Damisch, E., Millan, C., Medina, A., Uson, I., Baek, M., Read, R., Baker, D., Pavkov-Keller, T.

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: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 37.98 kDa 
• Atom Count: 2,530 
• Modelled Residue Count: 323 
• Deposited Residue Count: 348 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
S-layer	A, B	174	Lactobacillus amylovorus	Mutation(s): 0  Gene Names: LA2_00970
UniProt
Find proteins for E4SK47 (Lactobacillus amylovorus (strain GRL 1112)) Explore E4SK47  Go to UniProtKB:  E4SK47

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	C [auth A], E [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
NA	D [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.283 
• R-Value Work: 0.223 
• R-Value Observed: 0.226 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 49.543	α = 90
b = 91.756	β = 90
c = 93.616	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-12-28 
Deposition Author(s): Grininger, C., Sagmeister, T., Eder, E., Vejzovic, D., Pavkov-Keller, T.

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Funding Organization	Location	Grant Number
Austrian Science Fund	Austria	P29432

Revision History  

• Version 1.0: 2022-12-28
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description