Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g50260	Possesses protease activity in vitro.	KDEL-tailed cysteine endopeptidases involved in programmed cell death, intercalation of new cells, and dismantling of extensin scaffolds.; 2008; DOI: 10.3732/ajb.2007404; PMID: 21632425; https://pubmed.ncbi.nlm.nih.gov/21632425/ | Endoplasmic reticulum KDEL-tailed cysteine endopeptidase 1 of Arabidopsis (AtCEP1) is involved in pathogen defense.; 2014; DOI: 10.3389/fpls.2014.00058; PMID: 24605116; https://pubmed.ncbi.nlm.nih.gov/24605116/ | The cysteine protease CEP1, a key executor involved in tapetal programmed cell death, regulates pollen development in Arabidopsis.; 2014; DOI: 10.1105/tpc.114.127282; PMID: 25035401; https://pubmed.ncbi.nlm.nih.gov/25035401/