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. 2020 Sep 16;11:578878. doi: 10.3389/fmicb.2020.578878

TABLE 3.

Structures of scytocyclamides from S. hofmannii PCC 7110, with new variants A2, B2, and B3.

11-residue Laxaphycins 1 2 3 4 5 6 7 8 9 10 11
Scytocyclamide A Aoa L-Gln E-Dhb L-OHPro L-HSe D-Phe D-Leu L-Ile D-allo-Ile L-Leu Gly
Scytocyclamide A2 Aoa L-Gln E-Dhb L-Pro L-HSe D-Phe D-Leu L-Ile D-allo-Ile L-Leu Gly

12-residue Laxaphycins 1 2 3 4 5 6 7 8 9 10 11 12

Scytocyclamide B Aoa L-Val D-OHLeu L-Ala D-OHLeu L-Gln NMe-L-Ile D-OHAsn L-Thr L-Pro D-Leu L-Thr
Scytocyclamide B2 Aoa L-Val D-OHLeu L-Ala D-OHLeu L-Gln NMe-L-Ile D-Asn L-Thr L-Pro D-Leu L-Thr
Scytocyclamide B3 Aoa L-Val D-OHLeu L-Ala D-Leu L-Gln NMe-L-Ile D-Asn L-Thr L-Pro D-Leu L-Thr
Scytocyclamide C Aoa L-Val D-OHLeu L-Ala D-Leu L-Gln NMe-L-Ile D-OHAsn L-Thr L-Pro D-Leu L-Thr

Stereochemistry according to epimerase location in the biosynthetic gene cluster modules and Grewe (2005).