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Staphylococcus aureus Surface Proteins (CWA Proteins)
- Target
- CWA Proteins
- Molecular classification
- Protein, MSCRAMM, Adhesin, Enzyme (Sortase A - for anchoring), Virulence Factor
01
Overview
Staphylococcus aureus surface proteins are a diverse group of proteins covalently anchored to the bacterial cell wall peptidoglycan. These cell wall-anchored (CWA) proteins play critical roles in S. aureus biology, including adhesion to host tissues, immune evasion, biofilm formation, iron acquisition, and invasion of non-phagocytic cells. Key examples include Protein A (SpA), Clumping factor A/B (ClfA/ClfB), IsdA/IsdB, and SdrC/D/E. They are considered therapeutic targets for the development of novel antibacterials and vaccines.
- Other names
- Cell Wall-Anchored ProteinsMSCRAMMs (Microbial Surface Components Recognizing Adhesive Matrix Molecules)Surface ProteinsS. aureus Surface Proteins
02
Mechanism of action
Adhesion Inhibition, Biofilm Disruption, Immune Modulation, Sortase A Inhibition (indirectly)
03
Biological functions
AdhesionBiofilm FormationImmune EvasionIron AcquisitionHost Cell InvasionPathogenesis
04
Disease associations
InfectionSkin InfectionAbscess FormationBiofilm-associated InfectionsMRSA InfectionsStaphylococcal Disease
05
Safety considerations
Potential for off-target effects if targeting highly conserved proteinsDevelopment of resistance mechanismsImmunogenicity of vaccine candidates
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