Table 3 Partitions along the primary sequence of GSGS. Partition ID Amino Acids Remark F 1 1–15 The 1st β-turn F 2 1–7 The 1st β-strand F 3 3–10 Critical region of the 1st β-turn F 4 6–15 The 2nd β-strand F 5 6–20 The 2nd β-turn F 6 10–18 Critical region of the 2nd β-turn F 7 14–20 The 3rd β-strand