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. Author manuscript; available in PMC: 2009 Jan 4.
Published in final edited form as: J Mol Biol. 2007 Oct 4;375(1):165–177. doi: 10.1016/j.jmb.2007.09.089

Table 3.

Values of Ki for ONC and its variants

ONC Ki (μM)a
5′-GMP 5′-AMP
Wild-type (6.7 ± 0.5) × 102 (3.7 ± 0.3) × 103
T89K (5.3 ± 0.2) × 102 (2.0 ± 0.2) × 103
T89R (4.3 ± 0.6) × 102 (2.4 ± 0.4) × 103
T89N (1.0 ± 0.1) × 103 (1.2 ± 0.1) × 103
E91A (1.3 ± 0.3) × 103 (3.2 ± 0.4) × 103
T89N/E91A (9.9 ± 0.7) × 102 (5.9 ± 0.2) × 102
a

Values of Ki (±SE) are for inhibition of catalysis of 6-FAM–dArUdGdA–6-TAMRA cleavage in 0.10 M MES–NaOH buffer (pH 6.0) containing NaCl (0.10 M) at 23 ± 2 °C.