bacterial N-acetylheparosan from Escherichia coli strain K
5 生成 (2S,3S,4R,5R,6R)-6-((2R,3S,4R,5R)-5-Acetylamino-4,6-dihydroxy-2-hydroxymethyl-tetrahydro-pyran-3-yloxy)-3-((2R,3R,4R,5S,6R)-3-acetylamino-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-4,5-dihydroxy-tetrahydro-pyran-2-carboxylic acid 、
GlcNAc(a1-4)GlcA(b1-4)GlcNAc(a1-4)GlcA(b1-4)GlcNAc 、 H-[GlcNAc-α-(1->4)-GlcA-β-(1->4)]3-GlcNAc 、 H-[GlcNAc-α-(1->4)-GlcA-β-(1->4)]4-GlcNAc