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Amino acid motif model for quantification of amino acids in specific secondary structures. Percent β-sheet and helical structure from BW Ma silk is predicted from the primary amino acid sequence (AA%) and extracted from NMR data fits (NMR%) (Figure 8).
|
Black Widow, Latrodectus hesperus, Major Silk |
||||
|---|---|---|---|---|
| β-sheet | Helical | |||
| AA % | NMR % | AA % | NMR % | |
| Ala | 88 | 88 ± 3 | 12 | 12 ± 3 |
| Gly | 42 | 40 ± 3 | 58 | 60 ± 3 |
| Ser | 41 | 42 ± 5 | 59 | 58 ± 5 |
