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. 2015 May 27;5:10637. doi: 10.1038/srep10637

Figure 7.

Figure 7

Alignment of the condensation (C) domain core motifs of Ces and core motifs from selected bacterial NRPS. SrfAC: terminal C domain from surfactin synthetase as representative of a DCL; NocB: C5 domain from the nocardicin synthetase as representative of a C domain with non-canonical functions; Vlm1: C2 domain in the valinomycin synthetase, which shows the same genetic architecture as the cereulide synthetase; Crp_D: C domain (M2) from cryptophycin synthetase catalyzing ester bound formation; EntF: C domain from enterobactin synthetase. According to literature42, the consensus sequence from Pfam database for core motifs C1 to C5 is depicted. The C3 core motif comprises the conserved catalytic motif HHxxxDG (printed in bold).