DB identifier
|
AT1G35720 | Secondary Identifier
|
locus:2011344 |
| Name
|
annexin 1 | Brief Description | annexin 1 |
| TAIR Computational Description | annexin 1;(source:Araport11) |
| TAIR Curator Summary | Encodes a member of the annexin gene family, a diverse, multigene family of calcium-dependent, membrane-binding proteins. The protein was determined to have peroxidase activity. This activity is thought to be dependent on the presence of post-translational modifications (most likely phosphorylation). The protein was shown to be present as a mixture of monomer and homodimer. The homodimerization seems to be dependent on the presence of Ca2+ or H2O2. The dimerization was prevented by the addition of DTT, β-mercaptoethanol and TCEP. Annat1 mRNA is expressed in flowers, roots,leaves and stems and is most abundant in stems. mRNA levels are increased in response to oxidative stress. Developmental expression patterns suggest a role in Golgi-mediated polysaccharide secretion. It is a Ca 2+-permeable transporter providing a molecular link between reactive oxygen species and cytosolic Ca 2+ in plants. The mRNA is cell-to-cell mobile. |
| TAIR Short Description | annexin 1 |
| TAIR Aliases | ANN1, ANNAT1, AtANN1, ATOXY5, OXY5 |
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