A new approach for purification of the catalytic site of the angiotensin-conversion enzyme, N-domain, mediated by the ELP-Intein system - Santos, Carolina Machado dos; Sampaio, Suelen de Barros; Santana, Fagner; Leite, Rodrigo Costa; Lacchini, Silvia; Affonso, Regina (Journal of Pharmacological and Toxicological Methods, 2022)