Antitumor and HIV-1 Reverse Transcriptase Inhibitory Activities of a Hemagglutinin and a Protease Inhibitor from Mini-Black Soybean

Table 5

Comparison of lectins from different cultivars of soybean.

	Soybean lectin	Chinese mini-black soybean hemagglutinin
Molecular weight	122 kDa	25 kDa
No. of subunits	4	1
Sugar specificity	N-acetylgalactosamine	D(+)-raffinose
pH stability	pH 2–13	pH 2–13
Thermostability	Up to 50°C	Up to 75°C
Antitumor activity	Present	HepG2 IC50: 6.2 μM
		MCF-7 IC50: 3.5 μM
Inhibitory activity of HIV-1 reverse transcriptase	Present	IC50: 5.5 μM