Table 2.
Rates for RNA 29
Adenylate | aa-AMP conc. | Apparent 2nd-order rate constant, M−1⋅min−1 | Ratio to Phe-AMP | ΔΔG‡ |
---|---|---|---|---|
Phe-AMP | 1.3 mM | 140 ± 8 | 1.00 | – |
Tyr-AMP | 1.2 mM | 220 ± 15 | 1.6 | −0.25 |
Ile-AMP | 7.3 mM | 20 ± 0.4 | 0.14 | 0.6 |
Ala-AMP | 0.4 mM | 1000 ± 90 | 7.1 | −1.1 |
Gln-AMP | 0.8 mM | 650 ± 25 | 4.6 | −0.82 |
Ser-AMP | 1.4 mM | 600 ± 40 | 4.3 | −0.79 |