fibronectin type III domain-containing protein. similar to unknown protein [Arabidopsis thaliana] (TAIR:AT4G30200.1); similar to unknown protein [Arabidopsis thaliana] (TAIR:AT4G30200.3); similar to unnamed protein product [Vitis vinifera] (GB:CAO43227.1); contains InterPro domain Fibronectin, type III (InterPro:IPR003961)