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. Author manuscript; available in PMC: 2012 Sep 25.
Published in final edited form as: J Med Chem. 1995 Mar 31;38(7):1174–1188. doi: 10.1021/jm00007a014

Table 3.

Displacement of the Antagonist Radioligand [3H]CPX and the Degree of Shift of the Displacement Curve in the Presence of 1 mM GTP

compd Ki value (μM) or % displacement at 10−4 Ma
GTP Shiftb
A1 (−GTP) A1 (+GTP)
10a 40 nd
12c 35 nd
18 36 nd
21 13 30 2.3
22 8.4 12 1.4
23 1.7 8.3 4.9
25 12 21 1.7
26 31 nd
27 37 nd
28b 12 nd
a

Average of two determinations.

nd = not determined.

b

Ratio of Ki values in the presence and absence of GTP.