An insoluble structural protein such as keratin, collagen, or elastin.
More example sentences
- Sponges have an internal skeleton composed of needle-like elements called spicules, which can be composed of calcium carbonate, opaline silica, or fibres of the scleroprotein spongin.
More definitions of scleroproteinDefinition of scleroprotein in:
- The British & World English dictionary