assp (Assess Secondary Structure Prediction) takes a multiple protein sequence alignmentand estimates the range in accuracy that one can expect for a “perfect” secondary structure prediction made using the alignment.
:: MORE INFORMATION
Russell, R. B. and Barton, G. J. (1993),
J. Mol. Biol., 234, 951-957,
“The Limits of Protein Structure Prediction Accuracy From Multiple Sequence Alignment”