EC Number |
Natural Substrates |
---|
3.2.1.129 | alpha-2,8-linked polysialic acid + H2O |
- |
3.2.1.129 | alpha-2,8-linked polysialic acid + H2O |
specifically cleaves alpha 2,8-linked sialic acid residues with minimum chain length of 8, no effect on other sialic acid containing structures |
3.2.1.129 | capsular polysaccharides + H2O |
- |
3.2.1.129 | poly(sialic) acids or oligo(sialic) acids containing alpha-2,8-linked N-acetylneuraminic acid + H2O |
- |
3.2.1.129 | polysialic acid capsules of bacteria + H2O |
minimum substrate is tetrameric polysialic acid, processive enzyme activity on oligomers larger than that, confirmation by H NMR spectroscopy and anion-exchange chromatography |
3.2.1.129 | polysialylated neural cell adhesion molecule + H2O |
- |
3.2.1.129 | polysialylated neural cell adhesion molecule + H2O |
polysialic acid is an unbranched homopolymer of 100-300 alpha-2,8-linked silica acid residues |