Proteins
Curated comments from UniProt
Type | Comment | Proteins |
---|---|---|
PIN3_ARATH | developmental stage | Expressed during embryogenesis. Detected in the precursors of the columella root cells. |
PIN3_ARATH | function | Acts as a component of the auxin efflux carrier; this activity is enhanced when activated by PID-mediated phosphorylation (PubMed:20439545, PubMed:35917926). Seems to be involved in the lateral auxin transport system and mediates tropic growth (PubMed:20439545). Binds auxins including indole-3-acetic acid (IAA) (PubMed:35917926). Coordinated polar localization of PIN3 is directly regulated by the vesicle trafficking process (PubMed:20439545). |
PIN3_ARATH | similarity | Belongs to the auxin efflux carrier (TC 2.A.69.1) family. |
PIN3_ARATH | tissue specificity | Predominantly expressed at the lateral side of shoot endodermis cells as well as root pericycle and columella cells. |
Function
Gene Ontology
cellular component | |
---|---|
cell surface | ECO |
lateral plasma membrane | ECO |
plasma membrane | ECO |
vesicle membrane | ECO |
mitochondrion | ECO |
molecular function | |
auxin efflux transmembrane transporter activity | ECO |
identical protein binding | ECO |
protein homodimerization activity | ECO |
biological process | |
positive gravitropism | ECO |
root development | ECO |
auxin polar transport | ECO |
root hair initiation | ECO |
root hair elongation | ECO |
auxin export across the plasma membrane | ECO |
tropism | ECO |
response to light stimulus | ECO |
gravitropism | ECO |
auxin-activated signaling pathway | ECO |
Interactions
Interaction Network
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