Physico-chemical evaluation of protein folds predicted by threading
نویسندگان
چکیده
منابع مشابه
Successful recognition of protein folds using threading methods biased by sequence similarity and predicted secondary structure.
Analysis of our fold recognition results in the 3rd Critical Assessment in Structure Prediction (CASP3) experiment, using the programs THREADER 2 and GenTHREADER, shows an encouraging level of overall success. Of the 23 submitted predictions, 20 targets showed no clear sequence similarity to proteins of known 3D structure. These 20 targets can be divided into 22 domains, of which, 20 domains ei...
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By using techniques borrowed from statistical physics and neural networks, we determine the parameters, associated with a scoring function, that are chosen optimally to ensure complete success in threading tests in a training set of proteins. These parameters provide a quantitative measure of the propensities of amino acids to be buried or exposed and to be in a given secondary structure and ar...
متن کاملCan a pairwise contact potential stabilize native protein folds against decoys obtained by threading?
We present a method to derive contact energy parameters from large sets of proteins. The basic requirement on which our method is based is that for each protein in the database the native contact map has lower energy than all its decoy conformations that are obtained by threading. Only when this condition is satisfied one can use the proposed energy function for fold identification. Such a set ...
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ژورنال
عنوان ژورنال: Seibutsu Butsuri
سال: 2000
ISSN: 0582-4052,1347-4219
DOI: 10.2142/biophys.40.s171_2