Alpha-1 antitrypsin (AAT) is a protein whose main function is the inhibition of neutrophil elastase. 3. Its main indications are round or oval wounds on the trunk and limbs. The gene that encodes AAT is transmitted by simple. basquete-brasil/em-duelo-entre-varejao-e-leandrinho-flamengo-bate-o-franca canoas-na-superliga/ T+