Proteins
Curated comments from UniProt
Type | Comment | Proteins |
---|---|---|
TIR1_ARATH | developmental stage | Abundant expression in developing embryos. In young seedlings, expressed in root apical meristem, and expanding cotyledons and hypocotyls. In older seedlings, still expressed in root apical meristems, but also in lateral root primordia, stipules, shoot apical meristem and vascular tissues. |
TIR1_ARATH | function | Auxin receptor that mediates Aux/IAA proteins proteasomal degradation and auxin-regulated transcription. The SCF(TIR1) E3 ubiquitin ligase complex is involved in auxin-mediated signaling pathway that regulate root and hypocotyl growth, lateral root formation, cell elongation, and gravitropism. Appears to allow pericycle cells to overcome G2 arrest prior to lateral root development. Plays a role in ethylene signaling in roots. Confers sensitivity to the virulent bacterial pathogen P.syringae. |
TIR1_ARATH | pathway | Protein modification; protein ubiquitination. |
TIR1_ARATH | tissue specificity | Expressed in roots, stems, leaves and flowers. In adult plants, mostly expressed in floral stigma, anther filaments, abscission zones and vascular tissues. |
Function
Gene Ontology
cellular component | |
---|---|
nucleus | ECO |
SCF ubiquitin ligase complex | ECO |
molecular function | |
auxin binding | ECO |
auxin receptor activity | ECO |
ubiquitin-protein transferase activity | ECO |
inositol hexakisphosphate binding | ECO |
biological process | |
cellular response to phosphate starvation | ECO |
defense response | ECO |
protein ubiquitination | ECO |
stamen development | ECO |
response to auxin | ECO |
ethylene-activated signaling pathway | ECO |
pollen maturation | ECO |
lateral root formation | ECO |
auxin-activated signaling pathway | ECO |
Interactions
Interaction Network
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