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. 2022 May 9;8(5):500–512. doi: 10.1038/s41477-022-01146-6

Extended Data Fig. 7. In vitro enzyme activity assays of seven PKS III proteins, including AspiPKS1/2/3/4/5/6/7.

Extended Data Fig. 7

(a) Assays were conducted using p-coumaroyl-CoA and malony-CoA as substrates, and products were analyzed using LC-MS extracted ion chromatograms (XICs). Naringenin chalcone and coumaroyltriacetic acid lactone (CTAL) (271.20 m/z) and bis-noryangonin (229.20 m/z) are products for AspiPKS1, 2 and 3. Bis-noryangonin (229.20 m/z) and peak 4 (471.20 m/z) are products for AspiPKS4, 5, 6 and 7. (b) Assays were conducted using caffeoyl-CoA and malony-CoA as substrates. CTAL-type lactone (287.15 m/z) and hispidin (245.20 m/z) are products for AspiPKS1, 2, and 3. Hispidin is the product for AspiPKS4, 5, 6, and 7.