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Figure 1.
Figure 1: Assembly line of the surfactin non-ribosomal peptide
synthetase. The surfactin synthetase consists of the three
subunits SrfA-A, SrfA-B and SrfA-C that together comprise seven
modules, each being responsible for the incorporation of one
amino acid residue. The release of the lipoheptapeptide is
catalysed by TEI attached to SrfC (module 7). The function of
SrfD, the external thioesterase TEII (lower left), is the
recycling of misprimed T domains. The 4'-PP cofactor is depicted
shortened, attached to the T domains. Ac, acetyl.
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