KEY RESOURCES TABLE

REAGENT or RESOURCE	SOURCE	IDENTIFIER
Antibodies
Mouse monoclonal anti-Myc(9B11)	Cell Signaling Technology	#2276;RRID:AB_2148465
Mouse monoclonal anti-GFP (JL-8)	Clontech	632381; RRID: AB_2313808
Rat monoclonal anti-Tubulin (YL1/2)	abcam	Ab6;RRID:AB_343284
Rat monoclonal anti-HA	Roche	11867423001; RRID:AB_390919
Mouse monoclonal anti-Ubiquitin (P4D1)	Cell signaling	3936; RRID:AB_331292
Rabbit polyclonal anti-BZR1	This paper	homemade
Rabbit polyclonal anti-BIN2	This paper	Homemade
Chemicals, Peptides, and Recombinant Proteins
Brassinolide (BL)	Wako	635-00811
Propiconazole (PPZ)	Control Solutions	N/A
Bikinin	ChemBridge	5122035
lambda protein phosphatase	NEB	P0753
MG132	Sigma-Aldrich	C2211
Critical Commercial Assays
GFP-nAb Magnetic Agarose Kit	Allele Biotech	ABP-NABGFPXK20
Auto-ubiquitinylation kit	Enzo life science	BML-UW0970-0001
Protein A/G plus agarose	Pierce	20423
TnT quick couple transcription/translation system	Promega	L1170
Spectrum plant total RNA kit	Sigma-Aldrich	STRN250
M-MLV reverse transcriptase	ThermoFisher	28025013
Experimental Models: Organisms/Strains
Arabidopsis: Col-0, Ws	ABRC
Arabidopsis: bzr1-1D	Wang et al., 2002	N/A
Arabidopsis bin2-1, bin2-3bil1bil3	Li and Nam., 2002; Yan et al., 2009	N/A
Arabidopsis: dwf4	Choe et al., 1998	N/A
Arabidopsis: bri1–116	Wang et al., 2001	N/A
Arabidopsis: BIN2-ox	Kim et al., 2010	N/A
Arabidopsis: KIB1-ox, kib1-cs, kib1-1, KIB1C-ox,KIB1-YFP/bzr1-1D, KIB1-ox/BIN2-ox, KIB1-ox/bin2-1, KIB1::KIB1-YFP, KIB1-GUS	This paper	N/A
Arabidopsis: kib1–2	ABRC	SAIL_1230_F06
Oligonucleotides
Primers for KIB1qRT-PCR
F: ATTCGATACTTGCCGTGGAC	This paper	Customer order
R: GGATGAGCCATGGAGTTGTT
Primers for KIB2qRT-PCR
F: TCCAGCTGCTTGAGAGTTGA	This paper	Customer order
R: ACAGGCTGCTTTGAATCGTC
Primers for KIB3qRT-PCR
F: GGTTTTTCCCCACTTTTGGT	This paper	Customer order
R: CGTCACTGGTTTTGTCCCTT
Primers for KIB4qRT-PCR
F: GGAGTCGTTGTTTGGCAAGT	This paper	Customer order
R: AACCACAGTCACCGGTTCTC
Primers for AT3G03726qRT-PCR
F: CAACGATTTCCACGTTTTGA	This paper	Customer order
R: CCACAAAACCGCAGTGTCTA
Primers for AT4G12800qRT-PCR
F: TCCGACAAGACAACATTCCA	This paper	Customer order
R: GGTACGGTATCCAGGGAGGT
Primers for BIN2qRT-PCR
F:TCTGCTGGTTGTGTTCTTGC	This paper	Customer order
R: AAGATCTTGTGCCAGGGATG
Primers for PP2AqRT-PCR
F: TATCGGATGACGATTCTTCGTGCAG	This paper	Customer order
R: GCTTGGTCGACTATCGGAATGAGAG
Primers for KIB1 promoter cloning
F:CACCTCTCCATCTAACACACTAAGCACA	This paper	Customer order
R: GGCCAAGTAAAGACCTAGAAACAT
Primers for full length KIB1 cloning
F: CACCATGACACATAAGAAGCAGAAGAAG	This paper	Customer order
R: TTAAAGCAACCATTTTGAAGTA
Primer for KIB1N cloning
R: ACTATGTAGGTTTTGTTTTCATGAGG	This paper	Customer order
Primer for KIB1C cloning
F:CACCATGAAGAGACCTCGGGTTTGATTTAGTTA	This paper	Customer order
Primers for full length KIB2 cloning
F: CACCATGGCGCCTCTCAACTCTCA	This paper	Customer order
R: AAGCAACCATTTTCCACCAA
Primers for full length ASK1 cloning
F: CACCATGTCTGCGAAGAAGATTGTGTTGAA	This paper	Customer order
R: TTCAAAAGCCCATTGGTTCTCTCTGCG
Recombinant DNA
KIB1::KIB1-YFP	This paper	N/A
35S::KIB1-YFP	This paper	N/A
35S::KIB1-Mys	This paper	N/A
35s::KIB1C-YFP	This paper	N/A
KIB1-GUS	This paper	N/A
BD-KIB1F, BD-KIB1C, BD-KIB1N, AD-KIB1, AD-KIB2, AD-ASK1	This paper	N/A
AD-BIN2, AD-bin2-1, AD-mBIN2, BD-AtASK11, BD-AtASK12, BD-AtASK13, BD-AtASK22, BD-AtASK23	Kim et al., 2009	N/A
AD-BIN2-GFP	This paper	N/A
AD-KIB1-YFP	This paper	N/A
pXDGATcy86	Ding et al., 2007	N/A
pGADT7-GW	Lu et al., 2010	N/A
pMDC164	Curtis et al., 2003	N/A
Software and Algorithms
Clustal Omega	Sievers et al., 2011	http://www.clustal.org/omega/ RRID:SCR_001591
ImageJ	Schneider et al., 2012	https://imagej.net/ImageJ RRID:SCR_003070
Fiji	Schindelin et al., 2012	https://imagej.net/Fiji RRID:SCR_002285
PHYLIP	Felsenstein, 1989	http://evolution.genetics .washington.edu/phylip/ RRID:SCR_006244