9F8F | pdb_00009f8f

SLPL/SLPH (H/L) complex C. difficile Opt2472 strain (SLCT2)

• PDB DOI: https://doi.org/10.2210/pdb9F8F/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Clostridioides difficile
• Mutation(s): No 


• Deposited: 2024-05-06 Released: 2025-09-03 
• Deposition Author(s): Barwinska-Sendra, A., Salgado, P.S.
• Funding Organization(s): Medical Research Council (MRC, United Kingdom)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.07 Å
• R-Value Free: 
  0.283 (Depositor), 0.286 (DCC) 
• R-Value Work: 
  0.231 (Depositor), 0.232 (DCC) 
• R-Value Observed: 
  0.234 (Depositor) 

Starting Model: in silico

Literature

SLPL/SLPH (H/L) complex C. difficile Opt2472 strain

Barwinska-Sendra, A., Salgado, P.S.

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: native gel electrophoresis

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 153.73 kDa 
• Atom Count: 10,638 
• Modeled Residue Count: 1,407 
• Deposited Residue Count: 1,436 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SLPH - S-layer protein HMW	A [auth B], B [auth D]	394	Clostridioides difficile	Mutation(s): 0
UniProt
Find proteins for A0A0K0L6I9 (Clostridioides difficile) Explore A0A0K0L6I9  Go to UniProtKB:  A0A0K0L6I9

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
S-layer protein	C, D [auth A]	324	Clostridioides difficile	Mutation(s): 0
UniProt
Find proteins for A0A7G4WJU1 (Clostridioides difficile) Explore A0A7G4WJU1  Go to UniProtKB:  A0A7G4WJU1

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.07 Å
• R-Value Free:  0.283 (Depositor), 0.286 (DCC) 
• R-Value Work:  0.231 (Depositor), 0.232 (DCC) 
• R-Value Observed: 0.234 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 75.324	α = 81.8
b = 76.48	β = 78.86
c = 78.229	γ = 66.78

Software Package:

Software Name	Purpose
PHENIX	refinement
DIALS	data reduction
Aimless	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-09-03 
Deposition Author(s): Barwinska-Sendra, A., Salgado, P.S.

---

Funding Organization	Location	Grant Number
Medical Research Council (MRC, United Kingdom)	United Kingdom	MR/V032151/1

Revision History  

• Version 1.0: 2025-09-03
  Type: Initial release