Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g44280	Putative E3 ubiquitin-protein ligase that mediates monoubiquitination of 'Lys-119' of histone H2A (H2AK119ub), thereby playing a central role in histone code and gene regulation.	Polycomb silencing of KNOX genes confines shoot stem cell niches in Arabidopsis.; 2008; DOI: 10.1016/j.cub.2008.11.019; PMID: 19097900; https://pubmed.ncbi.nlm.nih.gov/19097900/
Arabidopsis	At1g03770	Putative E3 ubiquitin-protein ligase that mediates monoubiquitination of 'Lys-119' of histone H2A (H2AK119ub), thereby playing a central role in histone code and gene regulation.	Polycomb silencing of KNOX genes confines shoot stem cell niches in Arabidopsis.; 2008; DOI: 10.1016/j.cub.2008.11.019; PMID: 19097900; https://pubmed.ncbi.nlm.nih.gov/19097900/