Table 1. The sequences of the six in silico discovered peptide pairs, their associated scores (Γscore), binding free energies per peptide (), intrinsic self-aggregation propensities per peptide (), the DMD/PRIME20 simulation results, and the TEM-observed results (unit: kcal/mol).
Designs 1 to 3 result from setting λ = 3.0, while designs 4 to 6 result from setting λ = 4.0.
Designs | Sequences and sites | Γscore |
DMD/
PRIME20 |
TEM | |||||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |||||||
1 | Peptide A | K | K | K | M | K | V | K | V | N | T | T | −25.40 | −25.07 | −0.11 | Multilayer fibril |
Short nanofiber |
Peptide B | T | N | T | A | D | F | E | F | E | E | D | ||||||
2 | Peptide A | K | K | K | V | K | V | K | F | T | T | N | −25.35 | −24.93 | −0.14 | Multilayer fibril |
Long nanofiber |
Peptide B | T | N | T | V | D | F | E | Y | E | E | D | ||||||
3 | Peptide A | K | K | K | W | K | M | K | A | T | N | T | −26.85 | −25.87 | −0.33 | Random coils |
Not performed |
Peptide B | T | N | T | V | E | V | E | L | D | D | D | ||||||
4 | Peptide A | K | K | K | V | K | V | K | V | N | T | T | −25.62 | −25.16 | −0.12 | Multilayer fibril |
Long nanofiber |
Peptide B | T | N | T | A | E | F | E | F | E | E | D | ||||||
5 | Peptide A | K | K | K | V | K | V | K | V | N | T | T | −25.80 | −25.62 | −0.05 | Multilayer fibril |
Aggregated fibrils |
Peptide B | T | N | T | M | D | F | E | Y | E | E | D | ||||||
6 | Peptide A | K | K | K | V | K | Y | T | F | K | N | T | −25.93 | −25.21 | −0.18 | Long two-layer fibril |
Nonfibrillar aggregates |
Peptide B | T | N | T | M | E | V | D | F | D | E | D |