Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. SEM images of the N. pilipes spider dragline silk before and after testing.
  • Fig. S2. Twist of the N. pilipes spider dragline silk with increasing RH from 40 to 100%.
  • Fig. S3. Twist of the N. pilipes spider dragline silk to RH cyclically changing from ~40 to ~100%.
  • Fig. S4. Raman spectrum of the N. pilipes spider dragline silk.
  • Fig. S5. Raman spectrum of the virgin dragline silk of N. edulis spider.
  • Fig. S6. Raman spectrum of the virgin dragline silk of A. versicolor spider.
  • Fig. S7. Flow chart for the molecular dynamics simulation and the determination of molecular twist.
  • Fig. S8. Approach to estimating molecular twist.
  • Fig. S9. Angle displacement between residue 0 and residue 1 to 70 for MaSp2 protein.
  • Fig. S10. Angle displacement between residue 0 and residue 1 to 70 for MaSp1 protein.
  • Table S1. Raman band assignment for the N. pilipes, N. edulis, and A. versicolor dragline silks.
  • Note S1. Supplementary method for the spider silk harvesting.

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