+Fibrous proteins are nature's strong threads, forming stable, elongated structures vital for support. These [Protein](/wiki/protein)s, often insoluble, provide strength and elasticity, building the very [Structure](/wiki/structure) of tissues from hair to bone.
+## See also
+- [Collagen](/wiki/collagen)
+- [Keratin](/wiki/keratin)
+- [Actin](/wiki/actin)
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