Family

Dehydrin (IPR000167)

Short name: Dehydrin

Overlapping homologous superfamilies

None.

Family relationships

None.

Description

LEA (late embryogenesis abundant) proteins were first identified in land plants. Plants LEA proteins have been found to accumulate to high levels during the last stage of seed formation (when a natural desiccation of the seed tissues takes place) and during periods of water deficit in vegetative organs. Later, LEA homologues have also been found in various species [PMID: 21034219, PMID: 10681550]. They have been classified into several subgroups in Pfam and according to Bray and Dure [PMID: 18318901].

Dehydrin has been classified as part of the LEA family (D-11 from Dure, or group 2 from Bray) [PMID: 18318901]. Dehydrins contribute to freezing stress tolerance in plants and it was suggested that this could be partly due to their protective effect on membranes [PMID: 15356392].

Dehydrins share a number of structural features. One of the most notable features is the presence, in their central region, of a continuous run of five to nine serines followed by a cluster of charged residues. Such a region has been found in all known dehydrins so far with the exception of pea dehydrins. A second conserved feature is the presence of two copies of a lysine-rich octapeptide; the first copy is located just after the cluster of charged residues that follows the poly-serine region and the second copy is found at the C-terminal extremity.

GO terms

Biological Process

GO:0006950 response to stress
GO:0009415 response to water

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.
PANTHER
Pfam