SARAH domain (IPR011524)

Short name: SARAH_dom

Overlapping homologous superfamilies


Domain relationships


The SARAH (Sav/Rassf/Hpo) domain is found at the C terminus in three classes of eukaryotic tumour suppressors that give the domain its name. In the Sav (Salvador) and Hpo (Hippo) families, the SARAH domain mediates signal transduction from Hpo via the Sav scaffolding protein to the downstream component Wts (Warts); the phosphorylation of Wts by Hpo triggers cell cycle arrest and apoptosis by down-regulating cyclin E, Diap 1 and other targets [PMID: 14654011]. The SARAH domain is also involved in dimerisation, as in the human Hpo orthologue, Mst1, which homodimerises via its C-terminal SARAH domain. The SARAH domain is found associated with other domains, such as protein kinase domains, WW/rsp5/WWP domain (IPR001202), C1 domain (IPR002219), LIM domain (IPR001781), or the Ras-associating (RA) domain (IPR000159).

GO terms

Biological Process

GO:0007165 signal transduction

Molecular Function

No terms assigned in this category.

Cellular Component

No terms assigned in this category.

Contributing signatures

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