Proteins
Curated comments from UniProt
Type | Comment | Proteins |
---|---|---|
SC23A_ARATH | developmental stage | Detected in the whole seedling except the hypocotyl (PubMed:29390074). Observed in all floral organs, including sepals, petals, filaments, anther walls, mature pollen grains, pollen tubes and young siliques (PubMed:29390074). Highly expressed in the anther tapetum at uninucleate and bicellular stages (PubMed:29390074). |
SC23A_ARATH | function | Component of the coat protein complex II (COPII) which promotes the formation of transport vesicles from the endoplasmic reticulum (ER) (By similarity). The coat has two main functions, the physical deformation of the endoplasmic reticulum membrane into vesicles and the selection of cargo molecules (By similarity). May contribute to COPII-coated vesicles formation and ER-Golgi vesicle transport (PubMed:29390074). Together with SEC23D, essential for pollen wall development and exine patterning, probably by regulating endoplasmic reticulum (ER) export of lipids and proteins (e.g. sporopollenin) necessary for pollen wall formation (PubMed:29390074). Also involved in plastid physiology in anther tapetal cells (PubMed:29390074). |
SC23A_ARATH | similarity | Belongs to the SEC23/SEC24 family. SEC24 subfamily. |
SC23A_ARATH | subcellular location | Observed at endoplasmic reticulum exit sites (ERESs), characteristic for COPII-coated vesicles localization. |
SC23A_ARATH | tissue specificity | Mostly expressed in seedlings, roots, cotyledons, leaves, trichomes, leaf primordia and flowers, and, to a lower extent, in mature siliques. |
Function
Gene Ontology
cellular component | |
---|---|
endoplasmic reticulum exit site | ECO |
endoplasmic reticulum membrane | ECO |
cytoplasm | ECO |
COPII vesicle coat | ECO |
molecular function | |
zinc ion binding | ECO |
biological process | |
intracellular protein transport | ECO |
pollen exine formation | ECO |
endoplasmic reticulum to Golgi vesicle-mediated transport | ECO |
anther wall tapetum development | ECO |
Interactions
Interaction Network
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