Table I.

Putative Arabidopsis proteases predicted or demonstrated to be peroxisomal

AGI Identifier	Alias	Protein Class	T-DNA Insertion Alleles	PTS	Localization Evidence	Localization References
At1g28320	DEG15	PTS2-processing protease	SALK_007184 (deg15-1)	SKL>a	GFP	Reumann et al., 2004; Helm et al., 2007; Eubel et al., 2008; Schuhmann et al., 2008)
					Proteomics
					Bioinformatics
At2g41790	PXM16	Peptidase M16 family protein	SALK_019128 (pxm16-1)	PKL>b	Proteomics	Reumann et al., 2004, 2009; Eubel et al., 2008)
			SALK_023917 (pxm16-2)		Bioinformatics
At5g47040	LON2	Lon protease homolog	SALK_128438 (lon2-1)	SKL>a	GFP	Reumann et al., 2004, 2009; Ostersetzer et al., 2007; Eubel et al., 2008)
			SALK_043857 (lon2-2)		Proteomics
					Bioinformatics
At2g18080		Ser-type peptidase	SALK_020628	SSI>c	Bioinformatics	(Reumann et al., 2004)
			SALK_102239
At2g35615		Aspartyl protease	SALK_090795	ANL>b	Bioinformatics	(Reumann et al., 2004)
			SALK_036333
At3g57810		Ovarian tumor-like Cys protease		SKL>a	Bioinformatics	(Reumann et al., 2004)
At4g14570		Acylaminoacyl-peptidase protein		CKL>b	Bioinformatics (peroxisome)	(Reumann et al., 2004; Shimaoka et al., 2004)
					Proteomics (vacuole)
At4g20310		Peptidase M50 family protein		RMx5HLd	Bioinformatics	(Reumann et al., 2004)
At4g36195		Ser carboxypeptidase S28 family		SSM>b	Bioinformatics (peroxisome)	(Carter et al., 2004; Reumann et al., 2004)
					Proteomics (vacuole)

^aMajor PTS1 (Reumann, 2004).

^bMinor PTS1 (Reumann, 2004).

^cValidated PTS1 (Reumann et al., 2007).

^dMinor PTS2 (Reumann, 2004).