Proteins
Curated comments from UniProt
Type | Comment | Proteins |
---|---|---|
RGP1_ARATH | function | UDP-L-arabinose mutase involved in the biosynthesis of cell wall non-cellulosic polysaccharides. Catalyzes the interconvertion of UDP-L-arabinopyranose (UDP-Arap) and UDP-L-arabinofuranose (UDP-Araf) in vitro. Preferentially catalyzes the formation of UDP-Arap from UDP-Araf. At thermodynamic equilibrium in vitro the ratio of the pyranose form over the furanose form is 95:5. Is not active on other UDP-sugars (UDP-Gal, UDP-Xyl, UDP-Glc, GDP-Man and GDP-Fuc) (PubMed:21478444). Functions redundantly with RGP2 and is essential for proper cell walls and pollen development. Probably involved in the formation of the pectocellulosic cell wall layer intine. Is probably active as heteromer in vivo (PubMed:17071651). |
RGP1_ARATH | similarity | Belongs to the RGP family. |
RGP1_ARATH | subcellular location | Soluble and associated with peripheral membrane and endomembrane system. |
RGP1_ARATH | tissue specificity | Predominantly expressed in shoot and root apical meristems. Expressed in epidermal cells of leaves, inflorescence stems and seed coat. Expressed in pollen. |
Function
Gene Ontology
cellular component | |
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Golgi stack
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ECO |
plant-type vacuole
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ECO |
Golgi trans cisterna
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ECO |
Golgi apparatus
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ECO |
cytosol
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ECO |
cytosolic ribosome
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ECO |
plant-type cell wall
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ECO |
molecular function | |
UDP-arabinopyranose mutase activity
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ECO |
cellulose synthase (UDP-forming) activity
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ECO |
intramolecular transferase activity
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ECO |
structural constituent of ribosome
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ECO |
biological process | |
pollen development
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ECO |
plant-type cell wall organization or biogenesis
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ECO |
cell wall organization
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ECO |
plant-type cell wall biogenesis
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ECO |
UDP-L-arabinose metabolic process
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ECO |
Interactions
Interaction Network
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