Rhamnogalactofuranan from the microalga Myrmecia biatorellae, symbiotic partner of Lobaria linita

This rhamnogalactofuranan had an (1 → 3)-linked β-d-galactofuranosyl main-chain, substituted at O-6 by single units of β-d-Galf, or by side-chains of 2-O- and 2,4-di-O-linked α-l-Rhap units.