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:	S507
P-Site Sequence:	VSREAGFSYSHAGLS
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	S507	VSREAGFSYSHAGLS	100 / 9 AA	124
Phosphosite 1:	PIK3CA	P42336	Y508	SREAGFSYSHAGLSN	100 / 8 AA	124
Phosphosite 2:	PIK3CA	P42336	S509	REAGFSYSHAGLSNR	100 / 7 AA	124
Phosphosite 3:	C14orf115	Q9H8Y1	S281	LNREPGLSYSHLCER	75 / 8 AA	78
Phosphosite 4:	ZNF607	Q96SK3	Y488	ECGKGFSYSHKLTIH	100 / 6 AA	81
Phosphosite 5:	ZNF607	Q96SK3	S487	QECGKGFSYSHKLTI	100 / 6 AA	81
Phosphosite 6:	VEGFC	P49767	S400	KACEPGFSYSEEVCR	85 / 7 AA	47
Phosphosite 7:	PKCb	P05771	Y662	NEFAGFSYTNPEFVI	62 / 8 AA	77
Phosphosite 8:	NUP153	P49790	S426	EQRESGFSYPNFSLP	62 / 8 AA	154
Phosphosite 9:	PKCb	P05771	S661	QNEFAGFSYTNPEFV	62 / 8 AA	77
Phosphosite 10:	MARCH-VII	Q9H992	S243	SNTQPGFSYSSSRDE	71 / 7 AA	78
Phosphosite 11:	MPSK1	O75716	S32	KLGEGGFSYVDLVEG	83 / 6 AA	35
Phosphosite 12:	NUP153	P49790	S423	QNREQRESGFSYPNF	83 / 6 AA	154
Phosphosite 13:	C14orf115	Q9H8Y1	S283	REPGLSYSHLCERYS	83 / 6 AA	78
Phosphosite 14:	SLC15A2	Q16348	S633	SVTGLEFSYSQAPSS	83 / 6 AA	82
Phosphosite 15:	SLC15A1	P46059	S606	SVTGLEFSYSQAPSN	83 / 6 AA	79
Phosphosite 16:	Ig heavy chain V-III region GAR	P80419	Y29	CTASGFSYSNYVMTW	71 / 7 AA	13
Phosphosite 17:	Slc7a14	Q8TBB6	S709	FSVEEGFSYATEGES	71 / 7 AA	84
Phosphosite 18:	VIGR	Q86SQ4	Y204	SDWTAFSYSNASFTQ	62 / 8 AA	137
Phosphosite 19:	FEV	Q99581	S193	GVAPAGFSYWPGPGP	62 / 8 AA	25
Phosphosite 20:	VIGR	Q86SQ4	S203	DSDWTAFSYSNASFT	62 / 8 AA	137