6TZL | pdb_00006tzl

The structure of the Streptococcus gordonii surface protein SspB in complex with TEV peptide provides clues to the adherence of oral streptococcal adherence to salivary agglutinin

• PDB DOI: https://doi.org/10.2210/pdb6TZL/pdb

• Classification: CELL ADHESION
• Organism(s): Streptococcus mutans
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2019-08-12 Released: 2020-08-19 
• Deposition Author(s): Schormann, N., Deivanayagam, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 
  0.193 (Depositor), 0.204 (DCC) 
• R-Value Work: 
  0.180 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.180 (Depositor) 

Starting Model: experimental

Literature

The structure of the Streptococcus gordonii surface protein SspB in complex with TEV peptide provides clues to the adherence of oral streptococcal adherence to salivary agglutinin

Schormann, N., Deivanayagam, C.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 187.45 kDa 
• Atom Count: 14,201 
• Modeled Residue Count: 1,575 
• Deposited Residue Count: 1,700 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Surface protein adhesin	A, B, C, D	425	Streptococcus mutans	Mutation(s): 0  Gene Names: spaP
UniProt
Find proteins for P11657 (Streptococcus mutans) Explore P11657  Go to UniProtKB:  P11657

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4 (Subject of Investigation/LOI)	E [auth A], F [auth A], G [auth B], H [auth D], I [auth D], J [auth D]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free:  0.193 (Depositor), 0.204 (DCC) 
• R-Value Work:  0.180 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.180 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.965	α = 90
b = 133.331	β = 90
c = 246.072	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
DENZO	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-08-19 
Deposition Author(s): Schormann, N., Deivanayagam, C.

Revision History  

• Version 1.0: 2020-08-19
  Type: Initial release
  
• Version 1.1: 2023-10-11
  Changes: Data collection, Database references, Refinement description