RES
1r:r1
REP
REP1:4o(9+2)2d=-1--1
RES
2b:a-dgro-dgal-NON-2:6|1:a|2:keto|3:d
3s:n-acetyl
4b:a-dgro-dgal-NON-2:6|1:a|2:keto|3:d
5s:n-acetyl
LIN
1:2d(5+1)3n
2:2o(8+2)4d
3:4d(5+1)5n

• Ferrero MA et al. Biosynthesis and production of polysialic acids in bacteria. Appl Microbiol Biotechnol. 2010 May;86:(6):1621-35. doi: 10.1007/s00253-010-2531-5. PMID: 20349183.

• Steenbergen SM et al. Functional relationships of the sialyltransferases involved in expression of the polysialic acid capsules of Escherichia coli K1 and K92 and Neisseria meningitidis groups B or C. J Biol Chem. 2003 Apr 25;278:(17):15349-59. doi: 10.1074/jbc.M208837200. PMID: 12578835.

• May JF et al. A processive carbohydrate polymerase that mediates bifunctional catalysis using a single active site. Biochemistry. 2012 Feb 14;51:(6):1148-59. doi: 10.1021/bi201820p. PMID: 22217153.