DB identifier
|
AT1G08030 | Secondary Identifier
|
locus:2205135 |
| Name
|
tyrosylprotein sulfotransferase | Brief Description | tyrosylprotein sulfotransferase |
| TAIR Computational Description | tyrosylprotein sulfotransferase;(source:Araport11) |
| TAIR Curator Summary | Encodes a tyrosylprotein sulfotransferase (TPST). This protein is a 500-aa type I transmembrane protein that shows no sequence similarity to animal TPSTs. Activity confirmed by protein expression in yeast. TPST is expressed throughout the plant body, and the highest levels of expression are in the root apical meristem. TPST acts in the auxin pathway to maintain postembryonic root stem cell niche by defining the expression of the PLETHORA stem cell transcription factor genes. A loss-of-function mutant TPST displayed a marked dwarf phenotype accompanied by stunted roots, pale green leaves, reduction in higher order veins, early senescence, and a reduced number of flowers and siliques. TPST suppresses ethylene production through the action of PSK (phytosulfokine). |
| TAIR Short Description | tyrosylprotein sulfotransferase |
| TAIR Aliases | AQC1, HPS7, TPST |
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