7R5I

High resolution Crystal structure of ExsFA, a Bacillus cereus spore exosporium protein

• PDB DOI: https://doi.org/10.2210/pdb7R5I/pdb

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


• Deposited: 2022-02-10 Released: 2023-08-23 
• Deposition Author(s): Brear, P., Schack, S., Christie, G.
• Funding Organization(s): Engineering and Physical Sciences Research Council

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.08 Å
• R-Value Free: 0.160 
• R-Value Work: 0.144 
• R-Value Observed: 0.145 

Literature

Crystal structure of ExsFA, a Bacillus cereus spore exosporium protein"

Brear, P., Schack, S., Christie, G.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A3B1 Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Homo 3-mer - A3 

Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 57.39 kDa 
• Atom Count: 4,002 
• Modelled Residue Count: 443 
• Deposited Residue Count: 542 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Exosporium protein	A, B, C	177	Bacillus cereus	Mutation(s): 0  Gene Names: exsF, AT268_09550, COC69_11355, COK98_01700, COM79_21560, D0437_05965, FC702_13950, NCTC7464_04016
UniProt
Find proteins for Q7WTL3 (Bacillus cereus) Explore Q7WTL3  Go to UniProtKB:  Q7WTL3

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
GLN-GLU-ASP-PHE-SER-SER-ASP-SER-SER-PHE-SER	D [auth E]	11	unidentified	Mutation(s): 0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	E [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CA	F [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.08 Å
• R-Value Free: 0.160 
• R-Value Work: 0.144 
• R-Value Observed: 0.145 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.31	α = 90
b = 82.587	β = 90
c = 98.002	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
Aimless	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-08-23 
Deposition Author(s): Brear, P., Schack, S., Christie, G.

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Funding Organization	Location	Grant Number
Engineering and Physical Sciences Research Council	United Kingdom	EP/L015889/1

Revision History  

• Version 1.0: 2023-08-23
  Type: Initial release