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. 1999 Sep;181(18):5766–5770. doi: 10.1128/jb.181.18.5766-5770.1999

FIG. 1.

FIG. 1

A model for the synthesis of acyl-HSLs by the LuxI protein family. This model is based primarily on information about LuxI (15) and the LuxI homolog, RhlI (11). SAM binds to the enzyme, followed by acyl-ACP. An amide bond is formed between SAM and the acyl group, and holo-ACP is released. The acyl-SAM intermediate cyclizes, releasing the acyl-HSL and methylthioadenosine (MTA).