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. Author manuscript; available in PMC: 2013 Jan 30.
Published in final edited form as: J Comput Chem. 2011 Nov 2;33(3):259–267. doi: 10.1002/jcc.21968

Table 9.

Percentage of proteins whose number of predicted helical, sheet, and coil segments is the same as, or differs by at most one or two from the corresponding native number of segments.

Errora 0 1 2 0

%Hb %Eb %Cb %H %E %C %H %E %C Hc Ec Oc Allc
PSIPRED 20.8 39.6 14.8 47.4 71.4 35.4 63.5 86.1 48.4 43.3 26.4 8.9 17.6
This work 26.1 38.5 18.2 56.9 71.4 43.9 72.9 86.6 60.0 47.7 24.7 12.2 21.0

Each segment is defined with a minimum of three residues. Results are also reported in fraction of proteins with correctly predicted secondary structure elements for helical, sheet and other proteins.

a

Error, prediction differs by at most from native.

b

%H, %E, and %C denote helical, sheet, and coil segments, respectively.

c

Fraction of proteins with correctly predicted number of secondary structure segments for helical (H), sheet (E), other (O) and all proteins