Blot21 Protein, representing a new group of allergens, is an important Blomia tropicalis allergen. Allergenic components from Blomia tropicalis are important triggers of allergies in the tropics. Blot21 is a paralog of the group 5 allergen Blot5. Blot21 has moderate sequence identity (40.7%) to Blot5 and low to moderate cross-reactivity to Blot5. Blot21 Protein, Blomia tropicalis (His) is the recombinant Blot21 protein, expressed by E. coli , with N-6*His labeled tag.
