The structure of the wall teichoic acid isolated from Enterococcus faecalis strain 12030

Wall teichoic acid (WTA) was isolated from Enterococcus faecalis 12030, a clinical isolate and biofilm-producing strain, and analyzed using compositional chemical methods, nuclear magnetic resonance spectroscopy, and mass spectrometry. The repeating units of WTA were composed of D-glucose, D-galactose, 2-acetamido-2-deoxy-D-galactose, 2-acetamido-2-deoxy-D-glucose, D-ribitol, and phosphate in a molar ratio 1: 2: 1: 1: 1: 1, and had the structure given below. [GRAPHICS] (C) 2012 Elsevier Ltd. All rights reserved.