1. Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte31270-901, Brazil
2. Institute of Medical Biochemistry Leopoldo de Meis, National Institute of Structural Biology and Bioimaging, National Centrum of Nuclear Magnetic Resonance Jiri Jonas, Federal University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro21941-901, Brazil