Complex sentence: Arabinogalactan is a biopolymer consisting of arabinose and galactose monosaccharides in their furanose configurations and is a major structural component of the mycobacterial cell wall.
Split into simpler sentences: Arabinogalactan is a biopolymer consisting of arabinose and galactose monosaccharides. In microbial arabinogalactan the sugars are furanose configurations and is a major structural component of the mycobacterial cell wall.