Table I.

VHI/BRL2_kin interaction candidates with strong signal strength. Column I: gene number; II: annotation from TAIR and NCBI web sites (http://www.arabidopsis.org/Blast/ and http://www.ncbi.nlm.nih.gov/BLAST/); III: presence of signal peptide (sp), transmembrane domain (tmd), or posttranslational modification (ptm) which are predicted to target the protein to membranes; IV: number of serine (S), threonine (T) and tyrosine (Y) embedded in phosphorylation target sequences from the DIPHOSPHO database (http://core.ist.temple.edu/pred/pred.html) (Diella et al., 2004); V: prediction of kinase recognition a: basophilic serine/threonine kinase group; b: kinase binding site group; c: acidophilic serine/threonine kinase group; d: phosphoserine/threonine binding group. H: high stringency (0.2 top percent); M: medium stringency (1 top percent).

I	II	III	IV			V
			S	T	Y	a	b	c	d
At1g12440	AN1-like/ubiquitin-like		7			M
At1g13750	Calcineurin-like phosphatase	tmd	1			M	H		M
At1g14000	VIK/MAPKKK		4			M	M
At1g61740	Unknown	sp, tmd	1			M	M	M
At1g68220	Unknown	sp, tmd				H	M
At2g01950	VH1/BRL2	sp, tmd	8			H	H	H
At2g28840	Ankyrin protein	ptm	3			H	H	M
At2g42580	VIT/TTL3/TPR and THL containing protein		24	1	1	H	H	H	H
At2g47930	Predicted GPI-anchored protein	sp, tmd	16				M	H
At3g14220	Myrosinase-associated protein like	sp, tmd				H	H	H
At3g16370	Putative AGP protein	sp, tmd				M	H	M
At3g16640	TCTP					H
At3g23050	IAA7		1			M	H		M
At3g55520	Immunophilin, putative		3			M	M		M
At3g59920	GDI1		1			H	M	M
At3g62290	ARF-like protein	ptm				M	M	M
At4g17170	RAB2A/RABB1b	ptm	3			M			M
At4g30150	WD-containing protein	sp	1			H	H	M	M
At5g14240	Gibberellin regulated protein		4			M	H	M	M
At5g14920	Similar to proline-rich family protein	tmd	9	6	4		M	H	M
At5g17190	Expressed protein	sp, tmd				H	M
At5g15230	GASA4	sp, tmd				M
At5g43190	FBx6	tmd	1				H	H	M
At5g65440	Expressed protein					H	H	M	H