C-type lectin-like (IPR016186)

Short name: C-type_lectin-like

Domain relationships


Lectins occur in plants, animals, bacteria and viruses. Initially described for their carbohydrate-binding activity [PMID: 14533786], they are now recognised as a more diverse group of proteins, some of which are involved in protein-protein, protein-lipid or protein-nucleic acid interactions [PMID: 12223269]. There are at least twelve structural families of lectins, of which C-type (Ca+-dependent) lectins is one. C-type lectins can be further divided into seven subgroups based on additional non-lectin domains and gene structure: (I) hyalectans, (II) asialoglycoprotein receptors, (III) collectins, (IV) selectins, (V) NK group transmembrane receptors, (VI) macrophage mannose receptors, and (VII) simple (single domain) lectins [PMID: 15476922].

This entry represents a structural domain found in C-type lectins, as well as in other proteins, including:

  • The C-terminal domain of invasin [PMID: 10514372] and intimin [PMID: 10890451].
  • Link domain, which includes the Link module of TSG-6 [PMID: 12972412] (a hyaladherin with important roles in inflammation and ovulation) and the hyaluronan binding domain of CD44 (which contains extra N-terminal beta-strand and C-terminal beta-hairpin) [PMID: 14992719].
  • Endostatin [PMID: 9724722] and the endostatin domain of collagen alpha 1 (XV) [PMID: 10966814], these domains being decorated with many insertions in the common fold.

Contributing signatures

Signatures from InterPro member databases are used to construct an entry.