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:	PIK3CA
Human P-Site:	Y317
P-Site Sequence:	RISTATPYMNGETST
UniProt:	P42336
Intern. Prot. ID:	IPI00031386

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PIK3CA	P42336	Y317	RISTATPYMNGETST	100 / 9 AA	124
Phosphosite 1:	PIK3CA	P42336	T315	SRRISTATPYMNGET	100 / 7 AA	124
Phosphosite 2:	MRPL1	Q9BYD6	Y77	EKIKAYPYMEGEPED	66 / 9 AA	37
Phosphosite 3:	CTH	P32929	Y213	SMYSATKYMNGHSDV	75 / 8 AA	45
Phosphosite 4:	IFI35	P80217	Y214	VPLRVSPYVNGEIQK	62 / 8 AA	31
Phosphosite 5:	Cyclin K	O75909	Y438	GMSTTSSYMSGEGYQ	55 / 9 AA	41
Phosphosite 6:	TIMM50	Q3ZCQ8	Y225	LFRDATRYMDGHHVK	71 / 7 AA	40
Phosphosite 7:	ZNF280D	Q6N043	Y462	VIKIATPYMHHYMKH	71 / 7 AA	109
Phosphosite 8:	AKAP9	Q99996	Y2969	LSLTESPYSDGEDHS	55 / 9 AA	454
Phosphosite 9:	CASK	O14936	Y467	TPPPTSPYLNGDSPE	50 / 8 AA	105
Phosphosite 10:	CLCN6	P51797	T804	PRMIVDVTPYMNPSP	83 / 6 AA	97
Phosphosite 11:	MOCOS	Q96EN8	Y298	GGGTASAYLAGEDFY	55 / 9 AA	98
Phosphosite 12:	PLAGL2	Q9UPG8	S50	EISGTPFSNGEKLRP	62 / 8 AA	55
Phosphosite 13:	NAV1	Q8NEY1	Y346	SEGTPAWYMHGERAH	55 / 9 AA	202
Phosphosite 14:	RRM1	P23921	T402	ESQTETGTPYMLYKD	83 / 6 AA	90
Phosphosite 15:	DKFZp451F163	Q99081	T100	AHEGLSPTPFMNSNL	57 / 7 AA	73
Phosphosite 16:	RRM1	P23921	Y404	QTETGTPYMLYKDSC	83 / 6 AA	90
Phosphosite 17:	MN1	Q10571	Y450	QHFDAPPYMNVAKRP	83 / 6 AA	136
Phosphosite 18:	NARG1L	Q6N069	Y362	TCDFFSPYENGEKEP	71 / 7 AA	101
Phosphosite 19:	NXF2	Q9GZY0	Y454	MKTLKDPYLKGELLR	66 / 6 AA	72
Phosphosite 20:	GAMT	Q14353	Y49	MERWETPYMHALAAA	66 / 6 AA	26