Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g47500	Acts in the modification of cell walls via demethylesterification of cell wall pectin.	No verified direct reference in this release
Arabidopsis	At5g19730	Acts in the modification of cell walls via demethylesterification of cell wall pectin.	No verified direct reference in this release
Arabidopsis	At5g55590	Pectinesterase required for cell type-specific pectin degradation to separate microspores.	Separation of Arabidopsis pollen tetrads is regulated by QUARTET1, a pectin methylesterase gene.; 2006; DOI: 10.1104/pp.106.085274; PMID: 16980565; https://pubmed.ncbi.nlm.nih.gov/16980565/ | Tetrad analysis possible in Arabidopsis with mutation of the QUARTET (QRT) genes.; 1994; DOI: 10.1126/science.8197459; PMID: 8197459; https://pubmed.ncbi.nlm.nih.gov/8197459/ | Tetrad pollen formation in quartet mutants of Arabidopsis thaliana is associated with persistence of pectic polysaccharides of the pollen mother cell wall.; 1998; DOI: 10.1046/j.1365-313x.1998.00183.x; PMID: 9744097; https://pubmed.ncbi.nlm.nih.gov/9744097/
Arabidopsis	At2g36710	Acts in the modification of cell walls via demethylesterification of cell wall pectin.	No verified direct reference in this release
Arabidopsis	At1g05310	Acts in the modification of cell walls via demethylesterification of cell wall pectin.	No verified direct reference in this release