Component of the biogenesis of lysosome-related organelles complex-1 (BLOC-1) involved in endosomal cargo sorting. Component of the biogenesis of lysosome-related organelles complex-1 (BLOC-1) composed of at least BLI1, BLS1, CNL1, KXD1, SNN1 and VAB2. Belongs to the BLI1 family.