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:	PIK3R3
Human P-Site:	Y260
P-Site Sequence:	IERIMMNYDKLKSRL
UniProt:	Q92569
Intern. Prot. ID:	IPI00513745

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PIK3R3	Q92569	Y260	IERIMMNYDKLKSRL	100 / 9 AA	54
Phosphosite 1:	PIK3R1	P27986	Y528	IQRIMHNYDKLKSRI	88 / 9 AA	84
Phosphosite 2:	ETV1	P50549	Y386	KNRPAMNYDKLSRSL	100 / 6 AA	55
Phosphosite 3:	ETV4	P43268	Y392	KNRPAMNYDKLSRSL	100 / 6 AA	54
Phosphosite 4:	ERM	P41161	Y419	KNRPAMNYDKLSRSL	100 / 6 AA	58
Phosphosite 5:	SPDEF	O95238	Y302	KNRPAMNYDKLSRSI	100 / 6 AA	38
Phosphosite 6:	ETV3L	Q6ZN32	Y91	KCKPQMNYDKLSRAL	100 / 6 AA	40
Phosphosite 7:	ERF	P50548	Y78	KCKPQMNYDKLSRAL	100 / 6 AA	59
Phosphosite 8:	ETV3	P41162	Y87	KCKPQMNYDKLSRAL	100 / 6 AA	57
Phosphosite 9:	Elk-3	P41970	Y56	KNKTNMNYDKLSRAL	100 / 6 AA	44
Phosphosite 10:	Elk-1	P19419	Y57	KNKTNMNYDKLSRAL	100 / 6 AA	45
Phosphosite 11:	FEV	Q99581	Y98	KSKPNMNYDKLSRAL	100 / 6 AA	25
Phosphosite 12:	FLI1	Q01543	Y332	KSKPNMNYDKLSRAL	100 / 6 AA	51
Phosphosite 13:	ELK4	P28324	Y56	KNKPNMNYDKLSRAL	100 / 6 AA	47
Phosphosite 14:	ERG	P11308	Y369	KSKPNMNYDKLSRAL	100 / 6 AA	55
Phosphosite 15:	OR5K4	A6NMS3	Y305	LKKIMRNYNILKQTC	66 / 9 AA	37
Phosphosite 16:	PARP1	P09874	Y794	KDPIDVNYEKLKTDI	66 / 9 AA	113
Phosphosite 17:	PRELP	P51888	Y275	LAFIRLNYNKLTDRG	62 / 8 AA	44
Phosphosite 18:	C1orf87	Q8N0U7	Y252	GSPEMVNYEKLLWFL	71 / 7 AA	62
Phosphosite 19:	ATP6AP1L	Q52LC2	Y50	IRFILTNYNKLSIQS	62 / 8 AA	25
Phosphosite 20:	GABPA	Q06546	Y371	KNKPTMNYEKLSRAL	83 / 6 AA	51