8S83

Domains 3 and 6 of Sap S-layer protein from Bacillus anthracis

• PDB DOI: https://doi.org/10.2210/pdb8S83/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Bacillus anthracis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-03-05 Released: 2024-11-20 
• Deposition Author(s): Sogues, A., Remaut, H.
• Funding Organization(s): European Molecular Biology Organization (EMBO)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free: 0.258 
• R-Value Work: 0.201 
• R-Value Observed: 0.204 

Starting Model: experimental

Literature

Architecture of the Sap S-layer of Bacillus anthracis revealed by integrative structural biology

Sogues, A., Remaut, H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 47.59 kDa 
• Atom Count: 3,424 
• Modelled Residue Count: 419 
• Deposited Residue Count: 444 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
S-layer protein sap	A, B	113	Bacillus anthracis	Mutation(s): 0  Gene Names: sap, BA_0885, GBAA_0885, BAS0841
UniProt
Find proteins for P49051 (Bacillus anthracis) Explore P49051  Go to UniProtKB:  P49051

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
S-layer protein sap	C, D	109	Bacillus anthracis	Mutation(s): 0  Gene Names: sap, BA_0885, GBAA_0885, BAS0841
UniProt
Find proteins for P49051 (Bacillus anthracis) Explore P49051  Go to UniProtKB:  P49051

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free: 0.258 
• R-Value Work: 0.201 
• R-Value Observed: 0.204 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 40.154	α = 90
b = 61.01	β = 91.5
c = 97.658	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-11-20 
Deposition Author(s): Sogues, A., Remaut, H.

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Funding Organization	Location	Grant Number
European Molecular Biology Organization (EMBO)	European Union	ALTF 709-2021

Revision History  

• Version 1.0: 2024-11-20
  Type: Initial release