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:	Y508
P-Site Sequence:	QERYSKEYIEKFKRE
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	Y508	QERYSKEYIEKFKRE	100 / 9 AA	84
Phosphosite 1:	PIK3R3	Q92569	Y240	QEQHSKEYIERFRRE	77 / 9 AA	54
Phosphosite 2:	PIK3R2	O00459	Y505	QEKCSKEYLERFRRE	66 / 9 AA	82
Phosphosite 3:	SYMPK	Q92797	Y748	EKEQLREYVEKFALN	71 / 7 AA	141
Phosphosite 4:	CEP110	O43303	Y238	LMKKSKEYIEREQSR	85 / 7 AA	113
Phosphosite 5:	JMJD4	Q9H9V9	Y168	YITYWKEYIQAGYSS	71 / 7 AA	52
Phosphosite 6:	FGD2	Q7Z6J4	Y259	YELLLKEYIQKLPAQ	71 / 7 AA	75
Phosphosite 7:	RAD50	Q92878	Y1282	ELLGRSEYVEKFYRI	83 / 6 AA	154
Phosphosite 8:	DSN1	Q9H410	Y214	SVAEMKEYITKFSLE	85 / 7 AA	40
Phosphosite 9:	GSTT4	A8MPT4	Y45	GHHHSKEYIDINPLR	71 / 7 AA	28
Phosphosite 10:	PAH (Phenylalanine Hydroxylase)	P00439	Y317	SLGAPDEYIEKLATI	62 / 8 AA	52
Phosphosite 11:	TXNDC11	Q6PKC3	Y204	KGPMSAVYIEKFVRR	75 / 8 AA	111
Phosphosite 12:	TTC25	Q96NG3	Y200	ELYVDKEYLEKLLLD	71 / 7 AA	77
Phosphosite 13:	TTC21A	Q8NDW8	Y132	RHDKAKEYIDRMLKI	50 / 8 AA	151
Phosphosite 14:	SULT1B1	O43704	Y159	FPGTWEEYLEKFLTG	62 / 8 AA	35
Phosphosite 15:	ATP8B4	Q8TF62	Y22	VKANDREYNEKFQYA	71 / 7 AA	136
Phosphosite 16:	ATP8B2	P98198	Y42	ARANDREYNEKFQYA	71 / 7 AA	137
Phosphosite 17:	HERV-K_16p3.3 provirus ancestral Env polyprotein	Q9NX77	Y117	EFIYSLDYIEHGWQS	71 / 7 AA	55
Phosphosite 18:	XPO6	Q96QU8	Y367	LEELDESYIEKFTDF	100 / 5 AA	129
Phosphosite 19:	ADAM22	Q9P0K1	Y115	HDLLSSEYIERHIEH	62 / 8 AA	100
Phosphosite 20:	C9orf134	Q5VZ72	Y215	IRRSLKEYVEKKLEE	83 / 6 AA	28