This protein family includes Alpha-galactosyl-binding lectin from Lyophyllum decastes (LDL) and similar proteins from fungi. This protein forms a compact structure with a five-stranded anti-parallel beta-sheet and two alpha-helices packed against one side of the beta- sheet [1].

1: Atomic-resolution structure of the alpha-galactosyl binding Lyophyllum decastes lectin reveals a new protein family found in both fungi and plants. van Eerde A, Grahn EM, Winter HC, Goldstein IJ, Krengel U; Glycobiology. 2015;25:492-501. PMID:25504801