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Top-ranked similarities (based on backbone shifts), as measured by a combination of score and contiguity.
Some relevant parameters:  
        HELIX min length: 5     STRAND min length: 3
        shift-tolerance = -10    permissible-violations = 4   max-breaks = NIL   retain-m = 100   best-n = 100
        anglethresh = 0.5    septhresh = 5   min_length = 4   rmsd-tol = 9.9999999999999E12

Legend:
( ix1 chain1 )  ( ix2 chain2 )   rho___12 rho___21 L2_ERROR (Xbad Xsig Xtot) BRK   maxrho12 maxrho21  SS1 SS2

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(  827 1dfu_P)  (  827 1dfu_P)     1.0000   1.0000   0.0000 (   0   28   36)   0     1.0000   1.0000    9   9
(  827 1dfu_P)  ( 1484 1feu_A)     0.8887   0.5333   2.8546 (   0   22   28)   0     0.8887   0.5333    9  15
(  827 1dfu_P)  ( 1950 1gtr_A)     0.7630   0.5360   6.0045 (   1   15   21)   0     0.7630   0.5360    9  13

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