Crystallization and preliminary structural studies of champedak galactose-binding lectin

Galactose-binding lectin from champedak (Artocarpus integer) consists of two chains: α and β (133 and 21 amino acids, respectively). It has been shown to recognize and bind to carbohydrates involved in IgA and C1 inhibitor molecules. The protein was purified and crystallized at 293 K. Crystals were observed in two space groups, P2₁ and P2₁2₁2, and diffracted to 1.65 and 2.6 Å, respectively.