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:	PIK3R1
Human P-Site:	Y452
P-Site Sequence:	VGKKLHEYNTQFQEK
UniProt:	P27986
Intern. Prot. ID:	IPI00021448

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PIK3R1	P27986	Y452	VGKKLHEYNTQFQEK	100 / 9 AA	84
Phosphosite 1:	PIK3R1	P27986	T454	KKLHEYNTQFQEKSR	100 / 7 AA	84
Phosphosite 2:	PIK3R3	Q92569	Y184	VGKKLQEYHSQYQEK	55 / 9 AA	54
Phosphosite 3:	CCDC151	A5D8V7	Y542	LEGRLPEYNTRIALP	55 / 9 AA	69
Phosphosite 4:	DAB2IP	Q5VWQ8	Y1059	STKKLEEYETLFKCQ	66 / 9 AA	132
Phosphosite 5:	GALNT3	Q14435	Y239	LHDKLDEYVKQFSIV	66 / 9 AA	73
Phosphosite 6:	CHD8	Q9HCK8	T96	SITLHDYTTQPASQE	71 / 7 AA	291
Phosphosite 7:	CHD8	Q9HCK8	Y95	ESITLHDYTTQPASQ	62 / 8 AA	291
Phosphosite 8:	MAGEE2	Q8TD90	S122	LEFLREYSDQFPEIL	62 / 8 AA	60
Phosphosite 9:	TRIM61	Q5EBN2	Y147	HRKKLEEYNAPWKER	55 / 9 AA	24
Phosphosite 10:	MYH11	P35749	Y1601	LQRQLHEYETELEDE	55 / 9 AA	227
Phosphosite 11:	MAGEE2	Q8TD90	Y121	MLEFLREYSDQFPEI	62 / 8 AA	60
Phosphosite 12:	Leucine-rich repeat and death domain-containing protein LOC401387	A4D1F6	Y682	NLVSLHAYNNQISYL	62 / 8 AA	98
Phosphosite 13:	C9orf30	Q96H12	S58	ALAHEYNSQPSVSLR	83 / 6 AA	32
Phosphosite 14:	BAT3	P46379	Y75	DDKKLQEYNVGGKVI	71 / 7 AA	119
Phosphosite 15:	C4B	P0C0L5	Y1737	LNDFLQEYGTQGCQV	71 / 7 AA	193
Phosphosite 16:	C4A	P0C0L4	Y1737	LNDFLQEYGTQGCQV	71 / 7 AA	193
Phosphosite 17:	PPEF2	O14830	Y479	TQQLLQKYNMQFLIR	62 / 8 AA	87
Phosphosite 18:	FANCD2	Q9BXW9	Y689	ALYGLEEYDTQDGIA	71 / 7 AA	166
Phosphosite 19:	TRIOBP	Q9H2D6	S1910	ENALHSYSTQKGPLK	71 / 7 AA	261
Phosphosite 20:	RCC2	Q9P258	Y517	KIKKLPEYNPRTL__	62 / 8 AA	56