Abstract

Anthrax Toxins and their receptors

Highlights

  • Under unfavorable growth conditions, B.anthracis undertake the developmental process of sporulation

  • The anthrax toxin is composed of two binary combinations of three soluble proteins: 83 kDa protective antigen (PA83), 90 kDa lethal factor (LF), and 89 kDa edema factor (EF)

  • A tripartite AB-type anthrax toxin is comprised of two catalytic A moieties: lethal factor (LF) and edema factor (EF) and a single receptor-binding B moiety, designated as protective antigen (PA)

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Summary

Introduction

B.anthracis undertake the developmental process of sporulation. The anthrax toxin is composed of two binary combinations of three soluble proteins: 83 kDa protective antigen (PA83), 90 kDa lethal factor (LF), and 89 kDa edema factor (EF). It binds to one of two known anthrax toxin receptors, tumor endothelial marker-8 (TEM-8) or capillary morphogenesis protein-2 (CMG-2) [3].

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