9BLO | pdb_00009blo

T450C mutant of repeat domain 2 from Clostridium perfringens adhesin CPE0147 without intramolecular ester bond

• PDB DOI: https://doi.org/10.2210/pdb9BLO/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Clostridium perfringens B str. ATCC 3626
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2024-05-01 Released: 2025-05-07 
• Deposition Author(s): Squire, C.J., Yosaatmadja, Y.
• Funding Organization(s): Marsden Fund

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.35 Å
• R-Value Free: 
  0.229 (Depositor), 0.232 (DCC) 
• R-Value Work: 
  0.193 (Depositor), 0.200 (DCC) 

Starting Model: experimental

Literature

T450C mutant of repeat domain 2 from Clostridium perfringens adhesin CPE0147 without intramolecular ester bond

Squire, C.J., Yosaatmadja, Y.

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: 34.13 kDa 
• Atom Count: 2,621 
• Modelled Residue Count: 284 
• Deposited Residue Count: 312 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Surface anchored protein	A, B	156	Clostridium perfringens B str. ATCC 3626	Mutation(s): 1  Gene Names: AC1_0147

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	D [auth A], F [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
MG	C [auth A], E [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.35 Å
• R-Value Free:  0.229 (Depositor), 0.232 (DCC) 
• R-Value Work:  0.193 (Depositor), 0.200 (DCC) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.983	α = 95.135
b = 44.405	β = 109.36
c = 50.102	γ = 110.122

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-05-07 
Deposition Author(s): Squire, C.J., Yosaatmadja, Y.

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Funding Organization	Location	Grant Number
Marsden Fund	New Zealand	--

Revision History  

• Version 1.0: 2025-05-07
  Type: Initial release