The main component of microfibrils is a glycoprotein called fibrillin.

这丝的主要成分是一种糖蛋白，叫做原蛋白。

In addition to being part of microfibrils, fibrillin also regulates tissue growth.

原蛋白除了构成丝之外，还能调节组织生长。

The FBN1 gene encodes Fibrillin-1 protein, one of three fibrillin subtypes.

FBN1码三种原蛋白之一的原蛋白1。

Marfan syndrome is caused by mutations in a gene called FBN1, or fibrillin 1, on chromosome 15.

马方综合征是由于15号染色体上FBN1（原蛋白1）突变所致。