Characterization of a novel staphylococcal enterotoxin-like superantigen, a member of the group V subfamily of pyrogenic toxins

PM Orwin, DYM Leung, TJ Tripp, GA Bohach… - Biochemistry, 2002 - ACS Publications
Staphylococcus aureus is an important human pathogen, causing a variety of diseases.
Major virulence factors of this organism include staphylococcal enterotoxins (SEs) that …

[HTML][HTML] Streptococcal superantigens: biological properties and potential role in disease

T Proft, JD Fraser - 2016 - europepmc.org
Superantigens (SAgs) are a family of highly potent mitogens that share the ability to trigger
excessive stimulation of human and other mammalian T lymphocytes. This leads to a …

[PDF][PDF] Crystal structure of a superantigen bound to the high-affinity, zinc-dependent site on MHC class II

Y Li, H Li, N Dimasi, JK McCormick, R Martin, P Schuck… - Immunity, 2001 - cell.com
MHC class II molecules possess two binding sites for bacterial superantigens (SAGs): a low-
affinity site on the α chain and a high-affinity, zinc-dependent site on the β chain. Only the …

The contribution of group A streptococcal virulence determinants to the pathogenesis of sepsis

M Reglinski, S Sriskandan - Virulence, 2014 - Taylor & Francis
Streptococcus pyogenes (group A streptococcus, GAS) is responsible for a wide range of
pathologies ranging from mild pharyngitis and impetigo to severe invasive soft tissue …

[PDF][PDF] Structures of two streptococcal superantigens bound to TCR β chains reveal diversity in the architecture of T cell signaling complexes

EJ Sundberg, H Li, AS Llera, JK McCormick, J Tormo… - Structure, 2002 - cell.com
Superantigens (SAGs) crosslink MHC class II and TCR molecules, resulting in an
overstimulation of T cells associated with human disease. SAGs interact with several …

Two Novel Superantigens Found in Both Group A and Group C Streptococcus

T Proft, PD Webb, V Handley, JD Fraser - Infection and immunity, 2003 - Am Soc Microbiol
Two novel streptococcal superantigen genes (speLSe and speMSe) were identified from the
Streptococcus equi genome database at the Sanger Center. Genotyping of 8 S. equi isolates …

[HTML][HTML] Crystal structure of a superantigen bound to MHC class II displays zinc and peptide dependence

K Petersson, M Håkansson, H Nilsson… - The EMBO …, 2001 - embopress.org
The three‐dimensional structure of a bacterial superantigen, Staphylococcus aureus
enterotoxin H (SEH), bound to human major histocompatibility complex (MHC) class II (HLA …

[HTML][HTML] The crystal structures of EAP domains from Staphylococcus aureus reveal an unexpected homology to bacterial superantigens

BV Geisbrecht, BY Hamaoka, B Perman… - Journal of Biological …, 2005 - ASBMB
The Eap (extracellular adherence protein) of Staphylococcus aureus functions as a secreted
virulence factor by mediating interactions between the bacterial cell surface and several …

[HTML][HTML] The three-dimensional structure of a superantigen-like protein, SET3, from a pathogenicity island of the Staphylococcus aureus genome

VL Arcus, R Langley, T Proft, JD Fraser… - Journal of Biological …, 2002 - ASBMB
The staphylococcal enterotoxin-like toxins (SETs) are a family of proteins encoded within the
Staphylococcus aureus genome that were identified by their similarity to the well described …

Interplay between superantigens and immunoreceptors

K Petersson, G Forsberg… - Scandinavian journal of …, 2004 - Wiley Online Library
Superantigens (SAGs) cause a massive T‐cell proliferation by simultaneously binding to
major histocompatibility complex (MHC) class II on antigen‐presenting cells and T‐cell …