2TSS | pdb_00002tss

TOXIC SHOCK SYNDROME TOXIN-1 FROM STAPHYLOCOCCUS AUREUS: ORTHORHOMBICC222(1) CRYSTAL FORM

• PDB DOI: https://doi.org/10.2210/pdb2TSS/pdb
• Entry: 2TSS supersedes: 1TSS

• Classification: TOXIN
• Organism(s): Staphylococcus aureus
• Mutation(s): No 


• Deposited: 1996-12-04 Released: 1997-12-24 
• Deposition Author(s): Prasad, G.S., Radhakrishnan, R., Mitchell, D.T., Earhart, C.A., Dinges, M.M., Cook, W.J., Schlivert, P.M., Ohlendorf, D.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Work: 
  0.154 (Depositor) 
• R-Value Observed: 
  0.154 (Depositor) 

Literature

Refined structures of three crystal forms of toxic shock syndrome toxin-1 and of a tetramutant with reduced activity.

Prasad, G.S., Radhakrishnan, R., Mitchell, D.T., Earhart, C.A., Dinges, M.M., Cook, W.J., Schlievert, P.M., Ohlendorf, D.H.

(1997) Protein Sci 6: 1220-1227

• PubMed: 9194182 
• DOI: https://doi.org/10.1002/pro.5560060610
• Primary Citation Related Structures: 
  2TSS, 3TSS, 4TSS, 5TSS


• PubMed Abstract: 
  

  The structure of toxic shock syndrome toxin-1 (TSST-1), the causative agent in toxic shock syndrome, has been determined in three crystal forms. The three structural models have been refined to R-factors of 0.154, 0.150, and 0.198 at resolutions of 2.05 A, 2.90 A, and 2.75 A, respectively. One crystal form of TSST-1 contains a zinc ion bound between two symmetry-related molecules. Although not required for biological activity, zinc dramatically potentiates the mitogenicity of TSST-1 at very low concentrations. In addition, the structure of the tetramutant TSST-1H [T69I, Y80W, E132K, I140T], which is nonmitogenic and does not amplify endotoxin shock, has been determined and refined in a fourth crystal form (R-factor = 0.173 to 1.9 A resolution).

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Organizational Affiliation: 
• Department of Biochemistry, Medical School, University of Minnesota, Minneapolis 55455, USA.

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.

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 66.31 kDa 
• Atom Count: 5,119 
• Modeled Residue Count: 582 
• Deposited Residue Count: 582 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TOXIC SHOCK SYNDROME TOXIN-1	A, B, C	194	Staphylococcus aureus	Mutation(s): 0
UniProt
Find proteins for P06886 (Staphylococcus aureus) Explore P06886  Go to UniProtKB:  P06886

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Work:  0.154 (Depositor) 
• R-Value Observed: 0.154 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 108.7	α = 90
b = 177.5	β = 90
c = 97.6	γ = 90

Software Package:

Software Name	Purpose
MLPHARE	phasing
X-PLOR	refinement
XENGEN	data reduction
XENGEN	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 1997-12-24 
Deposition Author(s): Prasad, G.S., Radhakrishnan, R., Mitchell, D.T., Earhart, C.A., Dinges, M.M., Cook, W.J., Schlivert, P.M., Ohlendorf, D.H.
• This entry supersedes: 1TSS

Revision History  

• Version 1.0: 1997-12-24
  Type: Initial release
  
• Version 1.1: 2008-03-25
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-02-21
  Changes: Data collection, Database references