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Peptide motifs sequences commonly found in various silk fibroins.
Silk Fibroin
|
Rigid Segment Motifs (β-Sheet Forming) 
|
Flexible Segment Motifs
|
|---|---|---|
| A. diadematus, dragline MaSp1 [54,55,56] | (A)n | GGX |
| A. diadematus, dragline MaSp2 [54,55,56] | (A)n | GPGXX, GGX |
| B. mori, cocoon [45] | (GA)n | GY, GV |
| A. diadematus, flagelliform [57,58] | n/a * | GPGXX, GGX |
| E. variegata, cocoon [59] | (A)9E(A)12, (GA)n | GGY, GSG |
* β-sheet forming motifs are generally absent in flagelliform silk.
