Protein Name:
Pectinesterase/pectinesterase inhibitor 3
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UniprotKB/SwissProt ID: O49006 (O49006)
Gene Name:
PME3
Organism: Arabidopsis thaliana (Mouse-ear cress)
Function: Acts in the modification of cell walls via demethylesterification of cell wall pectin (PubMed:21171891, PubMed:26183897). Required for zinc Zn(2+) homeostasis and to monitor Zn(2+) influence on cell wall-controlled growth processes such as root cell elongation (PubMed:23826687). Monitors seed germination and favors root hairs production (PubMed:28375469). Prevents cruciferin seed storage proteins activity, but promotes the expression of genes involved in cell wall organization and remodeling as well as genes involved in lipid and protein metabolism, during post-germinative growth of seedlings (PubMed:28375469). Confers sensitivity to Zn(2+) when overexpressed (PubMed:23826687). Acts as a susceptibility factor required for the initial colonization of the host tissue by virulent pathogens including Botrytis cinerea and Pectobacterium carotovorum, probably by facilitating cell wall pectine degradation by pathogen pectic enzymes after its demethylesterification (PubMed:21171891)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Secreted, extracellular space, apoplast. Secreted, cell wall
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Graphical Visualization of S-nitrosylation Sites:
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The S-nitrosylation sites of O49006
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| No. |
Position |
S-nitrosylated Peptide |
Secondary Structure of S-nitrosylated Peptide |
Solvent Accessibility of nitrosylated Site |
PubMed ID |
| 1 |
206 |
LKGQIHVEHM C SNALAMIKNM |
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