| polySia | α2,8-linked polysialic acid |
| Sia | sialic acid (Neu5Ac; N-acetylneuraminic acid) |
| DP3 | TriSia |
| CMP-Sia | cytidine monophosphate-sialic acid |
| NCAM | neural cell adhesion molecule proteins |
| polySTs | polysialyltransferases (ST8Sia II (STX) & ST8Sia IV (PST) |
| PSTD | polysialyltransferase domain |
| PBR | polybasic region |
| DP | degree of polymerization |
| E. coli | Escherichia coli |