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DSSP assigns seven different secondary structures, i.e., H: a-helix, G: 310 helix, I: p-helix, E: extended strand, B: residue in isolated b-bridge, S: bend, and T: H-bonded turn. In addition, a ССcoilТТ state is assigned when no secondary structure is recognized.

These eight types are usually grouped into three larger classes: helix (G, H and I), strand (E and B) and loop (S, T, and C, where C sometimes is represented also as blank space).

DSSP. Define Secondary Structure of Proteins (DSSP) is the standard tool for the annotation of secondary structure elements from protein structures (Kabsch and Sander, 1983; Touw et al., 2015).

DSSP. Define Secondary Structure of Proteins (DSSP) is the standard tool for the annotation of secondary structure elements from protein structures (Kabsch and Sander, 1983; Touw et al., 2015).

DSSP assigns eight states: 310-helix (represented by G), alpha-helix (H), pi-helix (I), helix-turn (T), extended beta sheet (E), beta bridge (B), bend (S) and other/loop (L).

DSSP assigns seven different secondary structures, i.e., H: a-helix, G: 310 helix, I: p-helix, E: extended strand, B: residue in isolated b-bridge, S: bend, and T: H-bonded turn. In addition, a ССcoilТТ state is assigned when no secondary structure is recognized.

All Answers (11) Download DSSP executable from http://swift.cmbi.ru.nl/gv/dssp/ Place in the Bin folder. Give permission to execute (Right click -> properties -> Allow executable) Add export path in "bashrc" file.

The DSSP program works by calculating the most likely secondary structure assignment given the 3D structure of a protein. It does this by reading the position of the atoms in a protein followed by calculation of the H-bond energy between all atoms.