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:	S481
P-Site Sequence:	ELEFDWFSSVVKFPD
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	S481	ELEFDWFSSVVKFPD	100 / 9 AA	124
Phosphosite 1:	C1orf103	Q5T3J3	S601	GEGFDSFSSLVKSGT	77 / 9 AA	85
Phosphosite 2:	ATP2B2	Q01814	S859	ILTDDNFSSIVKAVM	75 / 8 AA	137
Phosphosite 3:	C1orf103	Q5T3J3	S602	EGFDSFSSLVKSGTY	75 / 8 AA	85
Phosphosite 4:	ZNF283	Q8N7M2	S472	GKAFSWGSSLVKHER	66 / 9 AA	78
Phosphosite 5:	ZNF283	Q8N7M2	S276	GKTFSWGSSLVKHER	66 / 9 AA	78
Phosphosite 6:	Cyp2a5	Q16696	S224	GQLYEMFSSVMKHLP	55 / 9 AA	57
Phosphosite 7:	CYP2A7	P20853	S224	GQLYEMFSSVMKHLP	55 / 9 AA	56
Phosphosite 8:	CYP2A6	P11509	S224	GQLYEMFSSVMKHLP	55 / 9 AA	57
Phosphosite 9:	GRM4	Q14833	S196	NSRYDFFSRVVPSDT	62 / 8 AA	102
Phosphosite 10:	mGluR7	Q14831	S196	DRRYDFFSRVVPPDS	62 / 8 AA	102
Phosphosite 11:	GRM6	O15303	S191	STRYDFFSRVVPPDS	62 / 8 AA	95
Phosphosite 12:	GRM8	O00222	S193	NTRYDFFSRVVPPDS	62 / 8 AA	102
Phosphosite 13:	EXOC5	O00471	S179	ELPFDRFSEVKSKIA	71 / 7 AA	82
Phosphosite 14:	FBXO3	Q9UK99	Y252	FTDWFTSYVKNVVSG	71 / 7 AA	55
Phosphosite 15:	TFAM	Q00059	S43	VYLPRWFSSVLASCP	83 / 6 AA	29
Phosphosite 16:	TFAM	Q00059	S44	YLPRWFSSVLASCPK	83 / 6 AA	29
Phosphosite 17:	KIF13A	Q9H1H9	S1572	ENREWFSSKVDLSNS	71 / 7 AA	202
Phosphosite 18:	ZUFSP	Q96AP4	S344	VRRVWLSSVVDHFHS	83 / 6 AA	66
Phosphosite 19:	DENND4C	Q5VZ89	S747	EPPAWGSSIVKVPSG	62 / 8 AA	187
Phosphosite 20:	Cyp2a5	Q16696	S225	QLYEMFSSVMKHLPG	62 / 8 AA	57