Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g33770	E2 ubiquitin-protein ligase that mediates E1-dependent protein ubiquitination.	PHO2-dependent degradation of PHO1 modulates phosphate homeostasis in Arabidopsis.; 2012; DOI: 10.1105/tpc.112.096636; PMID: 22634761; https://pubmed.ncbi.nlm.nih.gov/22634761/ | Nitrogen limitation adaptation, a target of microRNA827, mediates degradation of plasma membrane-localized phosphate transporters to maintain phosphate homeostasis in Arabidopsis.; 2013; DOI: 10.1105/tpc.113.116012; PMID: 24122828; https://pubmed.ncbi.nlm.nih.gov/24122828/ | Identification of downstream components of ubiquitin-conjugating enzyme PHOSPHATE2 by quantitative membrane proteomics in Arabidopsis roots.; 2013; DOI: 10.1105/tpc.113.115998; PMID: 24122829; https://pubmed.ncbi.nlm.nih.gov/24122829/ | NITROGEN LIMITATION ADAPTATION recruits PHOSPHATE2 to target the phosphate transporter PT2 for degradation during the regulation of Arabidopsis phosphate homeostasis.; 2014; DOI: 10.1105/tpc.113.120311; PMID: 24474629; https://pubmed.ncbi.nlm.nih.gov/24474629/
Arabidopsis	At2g16920	Accepts the ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins.	No verified direct reference in this release
Arabidopsis	At1g53025	Accepts the ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins.	No verified direct reference in this release
Arabidopsis	At3g15355	Accepts the ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins.	No verified direct reference in this release
Arabidopsis	At1g53020	Accepts the ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins.	No verified direct reference in this release