Table 1.

Identification of co‐purified proteins of EPCR1, ARID2, and TRB1 by mass spectrometry

Gene	Protein	MW (Da)	EPCR1 pull‐down		ARID2 pull‐down		TRB1 pull‐down
			Mascot	Spectra	Mascot	Spectra	Mascot	Spectra
			Score		Score		Score
AT2G17410	ARID2	86,517	2,103	46	5,735	122	1,132	45
AT1G20910	ARID3	44,238	997	25	1,716	44	320	8
AT1G76510	ARID4	48,010	904	22	2,341	53	483	16
AT4G32620	EPCR1	173,830	2,840	81	1,690	50	871	33
AT5G04670	EPCR2	87,699	0	0	0	0	417	13
AT3G03140	PWWP1	87,331	1,360	32	1,889	36	882	24
AT1G51745	PWWP2	65,004	0	0	1,419	27	0	0
AT3G21295	PWWP3	69,816	0	0	563	17	0	0
AT1G49950	TRB1	35,209	934	23	660	12	1,244	35
AT5G67580	TRB2	32,993	247	7	59	1	0	0