(Modified from that of Ames et al. (2010) and Lim et al.(2014))
(A) Fumiquinazoline gene cluster in A. fumigatus with nearby putative anthranilate synthase gene Afu6g12110 (icsA).* Abbreviation: 12090, Afu6g12090; 12100, Afu6g12100; 12110, Afu6g12110.
(B) Biosynthetic route of fumiquinazolines in A. fumigatus. Abbreviations: Ant, anthranilate; l-Trp, l-tryptophan; l-Ala, l-alanine; FqF, fumiquinazoline F; FqA, fumiquinazoline A; FqC, fumiquinazoline C.