Affiliation: | 1.Departamento de Microbiologia, Centro de Pesquisas Aggeu Magalhães/Fiocruz, Av. Moraes Rego s/n, Campus UFPE, Recife, PE 50670-420, Brazil;2.Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge CB2 1GA, United Kingdom |