Skip to main content
. Author manuscript; available in PMC: 2010 Jun 10.
Published in final edited form as: Structure. 2009 Jun 10;17(6):857–868. doi: 10.1016/j.str.2009.04.009

Table 3.

Binding affinities for A21-U75 pair mutants.

KD(μM)
GR(A21U/U75A) GR(A21G/U75C) GRA(A21U/U75A) GRA(A21G/U75C)
Guanine 0.003±0.0002 0.008±0.001 ---1 ---
Hypoxanthine 3.3±0.32 9.5±0.22 --- ---
2,6-Diaminopurine --- 13±1.1 0.047±0.009 0.076±0.015
Adenine --- --- 2.1±0.19 6.0±1.1
6-Chloroguanine --- 24±6.0 --- ---
1

---: not determined