“For the conversion of pyruvate to lactate the IC50 for … the reverse reaction the IC50 is 12 microM. Gossypol … NADH , Ki = 30 microM (Km = 17 microM), and NAD+, Ki = 6 microM (Km = 130 microM), and … = 220 microM (Km = 224 microM), and lactate, Ki = 52 microM (Km = 5.6 mM).”