REAGENT or RESOURCE	SOURCE	IDENTIFIER
Antibodies
Anti-SAP05 antibody	this study	RRID:AB_2893243
Anti-HA tag antibody	Eurogentec	Cat# MMS-101R; RRID:AB_291262
Anti-GFP antibody	Santa Cruz Biotechnology	Cat# sc-9996; RRID:AB_627695
Anti-FLAG antibody	Sigma	Cat# F-3165; RRID:AB_259529
Penta·His Antibody	QIAGEN	Cat# 34660; RRID:AB_2619735
Anti-AtRPN10	Agrisera	Cat# AS194266; RRID:AB_2893242
Bacterial and virus strains
Aster yellows witches’-broom phytoplasma	this study	Taxonomy ID: 322098
Escherichia coli BL21(DE3)	Novagen	Cat# 70235
Agrobacterium tumefaciens GV3101	N/A	N/A
Chemicals, peptides, and recombinant proteins
Human 26S Proteasome	R&D Systems	Cat# E-365-025
MG132	Sigma	Cat# M7449
Bortezomib	Sigma	Cat# 5043140001
E-64d	Sigma	Cat# E8640
3-MA	Sigma	Cat# M9281
GFP-Trap Magnetic Agarose	ChromoTek	Cat# gtma-20
Experimental models: Organisms/strains
Yeast strain AH109	N/A	N/A
Yeast strain NMY51	N/A	N/A
Arabidopsis thaliana Col-0	N/A	N/A
Arabidopsis thaliana overexpressor line p35S::GFP	this study	N/A
Arabidopsis thaliana overexpressor line p35S::SAP05_AY-WB	this study	N/A
Arabidopsis thaliana overexpressor line pAtSUC2::GFP	this study	N/A
Arabidopsis thaliana overexpressor line pAtSUC2::SAP05	this study	N/A
Arabidopsis thaliana overexpressor line pSPL13::rSPL13-GUS	NASC	NASC ID: N69817
Arabidopsis thaliana overexpressor line pSPL11::rSPL11-GUS	NASC	NASC ID: N69815
Arabidopsis thaliana mutant line rpn10-2	NASC	NASC ID: N366730
Arabidopsis thaliana overexpressor line p35S::MIR156A	NASC	NASC ID: N67849
Arabidopsis thaliana mutant line spl9 spl11 spl13 spl15	NASC	NASC ID: N69797
Arabidopsis thaliana overexpressor line p35S::MIM156	NASC	NASC ID: N9953
Arabidopsis thaliana mutant line gnc gnl gata17 gata17l	Ranftl et al., 2016	N/A
Arabidopsis thaliana overexpressor line p35S::GNC	Ranftl et al., 2016	N/A
Arabidopsis thaliana overexpressor line p35S::SAP05_WBDLa	this study	N/A
Arabidopsis thaliana overexpressor line p35S::SAP05_WBDLb	this study	N/A
Arabidopsis thaliana overexpressor line p35S::SAP05_PnWBa	this study	N/A
Arabidopsis thaliana overexpressor line p35S::SAP05_PnWBb	this study	N/A
Arabidopsis thaliana rpn10-2 mutant wild-type allele complementation line cRPN10	this study	N/A
Arabidopsis thaliana rpn10-2 mutant engineered m1 allele complementation line eRPN10	this study	N/A
Arabidopsis thaliana cRPN10 X p35S::SAP05 line	this study	N/A
Arabidopsis thaliana eRPN10 X p35S::SAP05 line	this study	N/A
Arabidopsis thaliana mutant line han-2	Ding et al., 2015	N/A
Arabidopsis thaliana han-2 X p35S::CsHAN	Ding et al., 2015	N/A
Recombinant DNA
pB7WG2 (gene specific constructs listed in Table S5)	VIB-UGent Center for Plant Systems Biology	Vector ID: 1_04
pHW59 (gene specific constructs listed in Table S5)	Mathieu et al., 2007	N/A
pEarleyGate202 (gene specific constructs listed in Table S5)	Tair	Stock# CD3-688
pB7WGF2 (gene specific constructs listed in Table S5)	VIB-UGent Center for Plant Systems Biology	Vector ID: 1_42
pB7RWG2 (gene specific constructs listed in Table S5)	VIB-UGent Center for Plant Systems Biology	Vector ID: 1_63
pBI121 (gene specific constructs listed in Table S5)	Tair	Stock# CD3-388
pGADT7 (gene specific constructs listed in Table S5)	Addgene	Plasmid #61702
pGBKT7 (gene specific constructs listed in Table S5)	Addgene	Plasmid #61703
pGADHA (gene specific constructs listed in Table S5)	Dualsystems Biotech	N/A
pLEXA-C (gene specific constructs listed in Table S5)	Dualsystems Biotech	N/A
pUGW15 (gene specific constructs listed in Table S5)	Pecher et al., 2019	N/A
pOPINF (gene specific constructs listed in Table S5)	Berrow et al., 2007	N/A
pOPINS3C (gene specific constructs listed in Table S5)	Berrow et al., 2007	N/A
pOPINA (gene specific constructs listed in Table S5)	Berrow et al., 2007	N/A
Software and algorithms
Prism 7	Graphpad	https://www.graphpad.com/scientific-software/prism/
Fiji	ImageJ	https://imagej.net/software/fiji/
Phylogeny.fr	(Dereeper et al., 2008)	http://www.phylogeny.fr/index.cgi