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!<br />

!<br />

1<br />

(l " k)<br />

A(k,l) =<br />

2<br />

%<br />

' $ C(i, j)<br />

'<br />

k l<br />

'<br />

'<br />

+<br />

We then generate a matrix W by weighting this matrix to favor pairs k,l that are<br />

maximally distant from each other, and are likely the endpoints of a structural domain:<br />

W (k,l) = " l " k # A(k,l) . [4]<br />

Lastly, we treat<br />

!<br />

169<br />

[3]<br />

W (k,l) as a two-dimensional discrete function of<br />

!<br />

k,l and identify its<br />

minima using the algorithm described for FlexOracle. hNMb (Continuous Domain<br />

Boundary Identifier), hNMc and hNMd (Excluded Region Identifier) all use this list of<br />

minima, but treat it differently. hNMb ranks the minima by the value of<br />

minimum. The particular values of the indices<br />

!<br />

k,l, where<br />

!<br />

!<br />

W (k,l) at the<br />

k < l at the location of the<br />

global minimum are taken as the residue numbers of a pair of hinge points. If<br />

within five residues of the N(C) terminus, then<br />

!<br />

!<br />

k(l) is<br />

k(l) is dropped and the other index is<br />

reported as the sole hinge point. The last modification is that for the hinge point at<br />

the hinge is reported as consisting of the two residues<br />

!<br />

!<br />

k "1 and<br />

!<br />

k (<br />

!<br />

l "1 and<br />

!<br />

l).<br />

k(l)

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