The primary translation product of human decorin is 359 amino acids in length and can be divided into 4 functional domains.

• 初表达的人饰胶蛋白有359个氨基酸，可分为4个功能区：I 功能区指刚表达的N端3O个氨基酸残基，又分为16个氨基酸的信号肽和 14个氨基酸的前肽。