Definition of Protein Secondary Structure Abbreviations - Taken from DSSP

For full details see Kabsch,W. and Sander,C. (1983) Biopolymers 22, p2577-2637

Letter
Secondary Structure
G 3/10 helix
H Alpha helix
I Phi helix
T H-bonded turn (short segment of helix)
E Extended strand
B Beta bridge (short segment of strand)
S Bend
0 Random Coil