Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g39890	Catalyzes the oxidation of N-terminal cysteine residues (N-Cys), thus preparing the protein for N-end rule pathway-mediated proteasomal degradation, upstream of the N-end rule enzymes ATE1, ATE2 and PRT6.	Molecular basis for cysteine oxidation by plant cysteine oxidases from Arabidopsis thaliana.; 2021; DOI: 10.1016/j.jsb.2020.107663; PMID: 33207269; https://pubmed.ncbi.nlm.nih.gov/33207269/
Arabidopsis	At5g15120	Catalyzes the oxidation of N-terminal cysteine residues (N-Cys), thus preparing the protein for N-end rule pathway-mediated proteasomal degradation, upstream of the N-end rule enzymes ATE1, ATE2 and PRT6.	No verified direct reference in this release
Arabidopsis	At3g58670	Catalyzes the oxidation of N-terminal cysteine residues (N-Cys), thus preparing the protein for N-end rule pathway-mediated proteasomal degradation, upstream of the N-end rule enzymes ATE1, ATE2 and PRT6 (Probable).	Structures of Arabidopsis thaliana oxygen-sensing plant cysteine oxidases 4 and 5 enable targeted manipulation of their activity.; 2020; DOI: 10.1073/pnas.2000206117; PMID: 32868422; https://pubmed.ncbi.nlm.nih.gov/32868422/ | Molecular basis for cysteine oxidation by plant cysteine oxidases from Arabidopsis thaliana.; 2021; DOI: 10.1016/j.jsb.2020.107663; PMID: 33207269; https://pubmed.ncbi.nlm.nih.gov/33207269/
Arabidopsis	At2g42670	Catalyzes the oxidation of N-terminal cysteine residues (N-Cys), thus preparing the protein for N-end rule pathway-mediated proteasomal degradation, upstream of the N-end rule enzymes ATE1, ATE2 and PRT6 (Probable).	The plant cysteine oxidases from Arabidopsis thaliana are kinetically tailored to act as oxygen sensors.; 2018; DOI: 10.1074/jbc.ra118.003496; PMID: 29848548; https://pubmed.ncbi.nlm.nih.gov/29848548/ | Structures of Arabidopsis thaliana oxygen-sensing plant cysteine oxidases 4 and 5 enable targeted manipulation of their activity.; 2020; DOI: 10.1073/pnas.2000206117; PMID: 32868422; https://pubmed.ncbi.nlm.nih.gov/32868422/ | Molecular basis for cysteine oxidation by plant cysteine oxidases from Arabidopsis thaliana.; 2021; DOI: 10.1016/j.jsb.2020.107663; PMID: 33207269; https://pubmed.ncbi.nlm.nih.gov/33207269/
Arabidopsis	At1g18490	Catalyzes the oxidation of N-terminal cysteine residues (N-Cys), thus preparing the protein for N-end rule pathway-mediated proteasomal degradation, upstream of the N-end rule enzymes ATE1, ATE2 and PRT6 (Probable).	No verified direct reference in this release