Summary for A01.A09: ASPG1 peptidase

Summary Gene structure Alignment Tree Sequences Sequence features Distribution Literature Inhibitors


MEROPS NameASPG1 peptidase
Other namesASPARTIC PROTEASE IN GUARD CELL 1, At3g18490 g.p. (Arabidopsis thaliana), Mername-AA260 peptidase
Name and HistoryThe ASPG1 peptidase from Arabidopsis thaliana has been shown to be caseinolytic and sensitive to the inhibitor pepstatin. The ASPG1 gene is expressed only in the guard cells that form the stomal pore in the epidermis of leaves. Overexpression of the gene in drought conditions increased sensitivity to the signalling molecule abscisic acid, leading to reducing water loss through the stomae (Yao et al., 2012).
Domain architecture
MEROPS Classification
Classification Clan AA >> Subclan (none) >> Family A1 >> Subfamily B >> A01.A09
HolotypeASPG1 peptidase (Arabidopsis thaliana), Uniprot accession Q9LS40 (peptidase unit: 142-500), MERNUM MER0014035
History Identifier created: MEROPS 8.3 (22 December 2008)
Catalytic typeAspartic
NC-IUBMBNot yet included in IUBMB recommendations.