Functionally<unk> s are trimers. Monomeric subunit consists of four parts: * a cysteine-rich domain at the N-terminus * a collagen-like domain * a coiled-coil neck domain * a C-type lectin domain that is also called a carbohydrate recognition domain (CRD) Recognition of specific parts of microorganism is mediated by CRD in presence of calcium. Affinity of interaction between microbes and<unk> s depends on the degree of<unk>  oligomerization and also on the density of ligands on the surface of the microbe.
Collectin
Basigin
Desmoglein
Embelin
Equilin
Apamin
Zonulin
Collagen VI