Proteins
Curated comments from UniProt
Type | Comment | Proteins |
---|---|---|
PYL8_ARATH | function | Receptor for abscisic acid (ABA) required for ABA-mediated responses such as stomatal closure and germination inhibition. Inhibits the activity of group-A protein phosphatases type 2C (PP2Cs) in an ABA-independent manner but more efficiently when activated by ABA. Confers enhanced sensitivity to ABA (PubMed:19407143, PubMed:19624469, PubMed:19769575, PubMed:19889877, PubMed:21658606, PubMed:23844015). Can be activated by both (-)-ABA and (+)-ABA (PubMed:23844015). Mediates crosstalk between ABA and auxin signaling to regulate lateral root growth. Required for lateral root growth suppression by ABA. In response to auxin, promotes lateral root growth by enhancing MYB77-dependent transcription of the auxin-responsive gene IAA19. Enhances the abilities of MYB44 and MYB73 to activate IAA19 gene (PubMed:24894996). |
F4KJ16_ARATH PYL8_ARATH | similarity | Belongs to the PYR/PYL/RCAR abscisic acid intracellular receptor family. |
PYL8_ARATH | subcellular location | Localizes at the plasma membrane in the presence of a CAR protein (e.g. CAR1 and CAR4). |
Function
Gene Ontology
cellular component | |
---|---|
cytosol | ECO |
plasma membrane | ECO |
nucleus | ECO |
cytoplasm | ECO |
molecular function | |
signaling receptor activity | ECO |
abscisic acid binding | ECO |
protein phosphatase inhibitor activity | ECO |
protein homodimerization activity | ECO |
biological process | |
abscisic acid-activated signaling pathway | ECO |
response to abscisic acid | ECO |
positive regulation of abscisic acid-activated signaling pathway | ECO |
Interactions
Interaction Network
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