Expanded region (δ F2 5.30–4.85 and δ F1 3.5–4.6) of the 1H-1H TOCSY spectrum of LAM from WT Mabs ATCC 19977 dissolved in D2O at 298 K. I, 3,5 α-Araf; II, 5 α-Araf; III, 2 α-Araf; IV, t-α Manp; V, β-Araf; VI, 6 α Manp; VIII, 3,6 α Manp. Numerals correspond to proton number. H2 corresponds to the H-2 of the arabinosyl units bearing the succinyl residues.