Figure S3 The 1H NMR spectrum of diheteroglycan isolated from: A E. faecalis type 5, B E. faecalis FA2-2. The letters refer to the carbohydrate residues as shown in chemical structure (Fig. 2C), and the arabic numbers refer to the protons in the respective residues; LA, lactic acid. * Acetic acid remainder of the final gel- permeation chromatography step. (PDF) Figure S4 Section of the ROESY spectrum of diheteroglycan isolated from E. faecalis type 5. The spectrum was recorded at 600 MHz and 27uC. The interresidual NOE contacts are underlined. (PDF) Figure S5 ELISA of rabbit antiserum raised against purified diheteroglycan from E. faecalis type 2 and type 5. Microtiter plates References 1. Ruoff KL, Bisno AL (2010) Classification of Streptococci. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7. ed. Philadelphia: Churchill Livingstone. pp 2591–2592. 2. 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