[The DSSP code]

• H = alpha helix
• B = residue in isolated beta-bridge
• E = extended strand, participates in beta ladder
• G = 3-helix (3/10 helix)
• I = 5 helix (pi helix)
• T = hydrogen bonded turn
• S = bend
• _ = no assigned structure

[The PB label]

• A = N-cap beta
• B = N-cap beta
• C = N-cap beta
• D = beta
• E = C-cap beta
• F = C-cap beta
• G = mainly coil
• H = mainly coil
• I = mainly coil
• J = mainly coil
• K = N-cap alpha
• L = N-cap alpha
• M = alpha
• N = C-cap alpha
• O = C-cap alpha
• P = C-cap alpha to N-cap beta

[The 5-tile code]

• 0 = DDDDD    (extended strand, small blue spheres)
• 1 = DDDDU
• 2 = DDDUD
• 3 = DDDUU
• 8 = DUDDD
• 9 = DUDDU
• A = DUDUD    (helix, large red spheres)
• B = DUDUU    (turn, large yellow spheres)
• G = UDDDD
• H = UDDDU
• I = UDDUD
• J = UDDUU
• O = UUDDD
• P = UUDDU
• Q = UUDUD    (turn, large yellow spheres)
• R = UUDUU    (turn, large yellow spheres)