9F8E | pdb_00009f8e

SLPL/SLPH (H/L) complex from C. difficile SlpA (Ox247_delta_orf2 strain, SLCT11)

• PDB DOI: https://doi.org/10.2210/pdb9F8E/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)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 
  0.234 (Depositor), 0.236 (DCC) 
• R-Value Work: 
  0.178 (Depositor), 0.179 (DCC) 
• R-Value Observed: 
  0.181 (Depositor) 

Starting Model: experimental

Literature

SLPL/SLPH (H/L) complex from C. difficile SlpA (Ox247 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: 124.74 kDa 
• Atom Count: 8,635 
• Modeled Residue Count: 1,153 
• Deposited Residue Count: 1,172 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
S-layer protein	A, C	179	Clostridioides difficile	Mutation(s): 0
UniProt
Find proteins for Q2N3V9 (Clostridioides difficile) Explore Q2N3V9  Go to UniProtKB:  Q2N3V9

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
S-layer protein	B, D	407	Clostridioides difficile	Mutation(s): 0
UniProt
Find proteins for Q2N3V9 (Clostridioides difficile) Explore Q2N3V9  Go to UniProtKB:  Q2N3V9

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free:  0.234 (Depositor), 0.236 (DCC) 
• R-Value Work:  0.178 (Depositor), 0.179 (DCC) 
• R-Value Observed: 0.181 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.612	α = 91.64
b = 73.374	β = 95.74
c = 90.799	γ = 96.11

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
xia2	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

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

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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