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. 2011 May 12;286(28):25236–25245. doi: 10.1074/jbc.M110.216333

TABLE 2.

Binding affinities (KD) of the WW domains with various Htt-PRR peptides as determined by NMR titration

KDm) PP1 PP3 PP12 PP23 PP35
WW1 683 ± 110 282 ± 77
WW2 (P67T) 1661 ± 319 1435 ± 216
2WW (P67T) 772 ± 219 236 ± 131 308 ± 167 185 ± 45 ∼10