Protein Name:
UDP-arabinopyranose mutase 1
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UniprotKB/SwissProt ID: Q9SRT9 (Q9SRT9)
Gene Name:
RGP1
Organism: Arabidopsis thaliana (Mouse-ear cress)
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)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Cytoplasm, cytosol. Golgi apparatus
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Graphical Visualization of S-nitrosylation Sites:
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The S-nitrosylation sites of Q9SRT9
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| No. |
Position |
S-nitrosylated Peptide |
Secondary Structure of S-nitrosylated Peptide |
Solvent Accessibility of nitrosylated Site |
PubMed ID |
| 1 |
113 |
KKYIFTIDDD C FVAKDPSGKA |
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| 2 |
257 |
MWAGWCIKVI C DHLGLGVKTG |
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| 3 |
315 |
LTKEAVTVQQ C YMELSKLVKE |
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