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different values of<br />

!<br />

" * and generated 20 different ROC curves. We report the average<br />

and standard deviation of the HingeMaster parameters in " * .<br />

Results<br />

Weighting and evaluation of predictors<br />

The fitting of " HAG and " * was carried out as described above. The averages and<br />

standard deviations of the resulting weighting factors are shown in Table 4.2. We<br />

! !<br />

evaluate the predictors using the statistical measures of sensitivity (true positives/gold<br />

standard positives), specificity (true negatives/gold standard negatives), and p-value (see<br />

discussion) in Table 4.3. Note that these were computed under the strict criterion,<br />

meaning that a test positive was considered to be a false positive if it coincided with a<br />

non-hinge residue, even if it was immediately adjacent to an annotated hinge residue. The<br />

statistical measures are explained in detail in the Supplementary methods section and in<br />

prior work. The 20 ROC curves generated for the HingeMaster cross-validation are<br />

shown in Figure 4.2.<br />

Although the above summarizes the results of the various predictors, it is illustrative to<br />

review the results of the various predictors individually, for the 40 proteins in the HAG.<br />

We made an online gallery of results for that purpose at http://molmovdb.org/HAG.<br />

Links in this table for each protein in HAG lead to a morph page showing the motion<br />

between open and closed form of the protein, results of running the various predictors on<br />

!<br />

the open and closed conformation, and the Protein Data Bank (PDB) information page for<br />

181

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