Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	RGS9
Human P-Site:	S518
P-Site Sequence:	SRFIRRPSTTICPSP
UniProt:	O75916
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RGS9	O75916	S518	SRFIRRPSTTICPSP	100 / 9 AA	77
Phosphosite 1:	RGS9	O75916	T519	RFIRRPSTTICPSPI	100 / 8 AA	77
Phosphosite 2:	RGS9	O75916	T520	FIRRPSTTICPSPIR	100 / 7 AA	77
Phosphosite 3:	GCK	P35557	T361	TLGLRPSTTDCDIVR	85 / 7 AA	52
Phosphosite 4:	GCK	P35557	S360	STLGLRPSTTDCDIV	85 / 7 AA	52
Phosphosite 5:	KIAA0644	Q7L0X0	T769	FQSHRPRTTVCALSE	62 / 8 AA	89
Phosphosite 6:	GCK	P35557	T362	LGLRPSTTDCDIVRR	85 / 7 AA	52
Phosphosite 7:	FBXO18	Q8NFZ0	S372	LFCLRRPSSTVTMPD	62 / 8 AA	118
Phosphosite 8:	KIAA0644	Q7L0X0	T770	QSHRPRTTVCALSEA	71 / 7 AA	89
Phosphosite 9:	KIAA0317	O15033	T328	SSQRRPSTAVDEEDE	71 / 7 AA	94
Phosphosite 10:	KIAA0317	O15033	S327	TSSQRRPSTAVDEED	71 / 7 AA	94
Phosphosite 11:	STXBP5L	Q9Y2K9	S339	DKACRRPSLTIMHGK	85 / 7 AA	132
Phosphosite 12:	IGF2R	P11717	S1469	PDGIRKKSTTIRFTC	75 / 8 AA	274
Phosphosite 13:	KIAA0556	O60303	S1163	EEAMRRPSTADGEGD	71 / 7 AA	181
Phosphosite 14:	FBXO18	Q8NFZ0	S373	FCLRRPSSTVTMPDV	71 / 7 AA	118
Phosphosite 15:	DKFZP434B061	Q9UF83	S5	___MRRPSTASLTRT	71 / 7 AA	59
Phosphosite 16:	NKD2	Q969F2	S223	SAHVRRPSTDPQPCS	83 / 6 AA	50
Phosphosite 17:	KRTAP3-2	Q9BYR7	T18	VPTGPATTICSSDKS	83 / 6 AA	10
Phosphosite 18:	KRTAP3-3	Q9BYR6	T18	VPTGPATTICSSDKS	83 / 6 AA	10
Phosphosite 19:	ST8SIA4	Q92187	S279	KVPIKRPSTGLLMYT	62 / 8 AA	41
Phosphosite 20:	FNDC1	Q4ZHG4	T1483	TTTRRPTTTVRTTTR	71 / 7 AA	199