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. 1999 Feb 16;96(4):1297–1302. doi: 10.1073/pnas.96.4.1297

Table 2.

Dissociation constants of Hsp90 fragments for ADP and ATP

Fragment Kd, μM
ADP ATP
In the absence of peptide GR1
N210 40 ± 2 98 ± 4
N272 43 ± 3 94 ± 1
In the presence of peptide GR1
N210 ND 101 ± 6
N272 ND 287 ± 27

The dissociation constants of ADP/ATP and N210/N272 were determined as described in the text and the legend of Fig. 2 in the absence or presence of GR1 (500 μM). The numbers represent the obtained dissociation constants with their calculated errors. ND, not determined.