Teneurin intracellular, N-terminal (IPR009471)

Short name: Ten_N

Overlapping homologous superfamilies


Domain relationships



Teneurins are a family of phylogenetically conserved transmembrane glycoproteins expressed during pattern formation and morphogenesis [PMID: 11146505]. Originally discovered as ten-m and ten-a in Drosophila melanogaster, the teneurin family is conserved from Caenorhabditis elegans (ten-1) to vertebrates, in which four paralogs exist (teneurin-1 to -4 or odz-1 to -4). Their distinct domain architecture is highly conserved between invertebrate and vertebrate teneurins, particularly in the extracellular part. The intracellular domains of Ten-a, Ten-m/Odz and C. elegans Ten-1 are significantly different, both in size and structure, from the comparable domains of vertebrate teneurins, but the extracellular domains of all of these proteins are remarkably similar.

The large C-terminal extracellular domain consists of eight EGF-like repeats (see PDOC00021), a region of conserved cysteines and unique YD-repeats. The N-terminal intracellular domain of vertebrate teneurins contains two EF-hand-like calcium-binding motifs and two polyproline regions involved in protein-protein interactions, followed by a single-span transmembrane domain. The intracellular domain is linked to the cytoskeleton through its interaction with the adaptor protein CAP/ponsin and can be cleaved near (or possibly in) the transmembrane domain and transported to the nucleus [PMID: 12361962, PMID: 10588872], giving teneurins the potential to act as transcription factors [PMID: 12783990, PMID: 12783990]. There is considerable divergence between intracellular domains of invertebrate and vertebrate teneurins as well as between different invertebrate proteins [PMID: 10341219, PMID: 12783990, PMID: 16406038, PMID: 17095284, PMID: 17502993].

This domain is found in the intracellular N-terminal region of the Teneurin family.

GO terms

Biological Process

GO:0007165 signal transduction

Molecular Function

No terms assigned in this category.

Cellular Component

GO:0016021 integral component of membrane

Contributing signatures

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