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Das Hämbindeprotein HasA aus P. aeruginosa kann Eisen(III)‐5,15‐diphenylporphyrin und mehrere Derivate aufnehmen, auch wenn sie sperrige Substituenten in der meso‐Position des Porphyrins tragen. O. Shoji et al. präsentieren in ihrer Zuschrift auf S. 15481 Kristallstrukturen dieser künstlichen HasAs und weisen nach, dass die wachstumsinhibierende Wirkung gegen P. aeruginosa je nach Struktur des eingefangenen...
Iron(III)‐5,15‐diphenylporphyrin and several derivatives were accommodated by HasA, a heme acquisition protein secreted by Pseudomonas aeruginosa, despite possessing bulky substituents at the meso position of the porphyrin. Crystal structure analysis revealed that the two phenyl groups at the meso positions of porphyrin extend outside HasA. It was shown that the growth of P. aeruginosa was inhibited...
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