Table 3. Unweighted (I) and Weighted (J) Promiscuity Indices for Diels–Alderase Ribozymes, Calculated Separately for the Diene and Dienophile Substrates.

^aHEG indicates hexa(ethylene glycol).

^bk_cat and k_uncat values from Stuhlmann and Jäschke.¹⁷⁰

^cDash indicates k_uncat not reported; these values could not be included in the calculation of I or J.