Lenter M, Jann B, Jann K
Max-Planck-Institut für Immunbiologie, Freiburg-Zähringen, F.R.G.
Carbohydr Res. 1990 Mar 25;197:197-204. doi: 10.1016/0008-6215(90)84142-h.
The K16-antigen from E. coli Rk 21510 (O7:K16:H-) is shown to consist of the repeating unit ----2)-beta-D-Ribf-(1----3)-beta-D-Ribf-(1----5)-alpha-Kd op-(2---- of which approximately 33% is O-acetylated at position 3 of the 2-linked ribose.