Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At3g07370	Has E3 ubiquitin-protein ligase activity and may target misfolded substrates towards proteasomal degradation.	AtCHIP, a U-box-containing E3 ubiquitin ligase, plays a critical role in temperature stress tolerance in Arabidopsis.; 2003; DOI: 10.1104/pp.103.020800; PMID: 12805616; https://pubmed.ncbi.nlm.nih.gov/12805616/ | AtCHIP functions as an E3 ubiquitin ligase of protein phosphatase 2A subunits and alters plant response to abscisic acid treatment.; 2006; DOI: 10.1111/j.1365-313x.2006.02730.x; PMID: 16640601; https://pubmed.ncbi.nlm.nih.gov/16640601/ | The chloroplast protease subunit ClpP4 is a substrate of the E3 ligase AtCHIP and plays an important role in chloroplast function.; 2007; DOI: 10.1111/j.1365-313x.2006.02963.x; PMID: 17241447; https://pubmed.ncbi.nlm.nih.gov/17241447/ | The E3 ligase AtCHIP ubiquitylates FtsH1, a component of the chloroplast FtsH protease, and affects protein degradation in chloroplasts.; 2007; DOI: 10.1111/j.1365-313x.2007.03239.x; PMID: 17714429; https://pubmed.ncbi.nlm.nih.gov/17714429/ | Heat shock protein cognate 70-4 and an E3 ubiquitin ligase, CHIP, mediate plastid-destined precursor degradation through the ubiquitin-26S proteasome system in Arabidopsis.; 2009; DOI: 10.1105/tpc.109.071548; PMID: 20028838; https://pubmed.ncbi.nlm.nih.gov/20028838/