英语语法分析

Numerous diseases were known to relate with glycan structural abnormality.

许多疾病的发生与蛋白质糖链结构异常有关。

If the difference is in glycan level, we can discuss the different site and the effect in physiology.

若此差异来自于糖基本身，则可进一步探讨其差异的位置，以及其背后是否具有生理意义。

This is the website of GlycoSuiteDB. It is an annotated and curated relational database of glycan structures.

这是聚糖结构数据库的网站，它是一个已注释，辅助的聚糖结构关系数据库。