Stefan Richter

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About

Stefan Richter is a structural biologist whose work has illuminated critical mechanisms in bacterial pathogenesis, with a particular focus on the anthrax pathogen *Bacillus anthracis*. His research centers on the molecular architecture of enzymes involved in capsule biosynthesis and cell wall assembly, providing fundamental insights into how pathogenic bacteria evade host immune defenses. Richter’s landmark study, “Crystal Structure of *Bacillus anthracis* Transpeptidase Enzyme CapD” (2009, 33 citations), represents a major contribution to the field. In this work, he solved the three-dimensional structure of CapD, the enzyme responsible for anchoring the bacterium’s protective poly-γ-d-glutamic acid capsule to the peptidoglycan cell wall. By revealing the enzyme’s active site architecture and catalytic mechanism, Richter’s research not only advanced our understanding of anthrax pathogenesis but also identified CapD as a promising target for novel anti-infective therapies. This structural characterization has served as a foundation for subsequent drug discovery efforts. Through his precise and impactful work, Stefan Richter has established himself as a key figure in bacterial structural biology, bridging atomic-level detail with broader implications for infectious disease research.