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:	Y644
P-Site Sequence:	QVLKYEQYLDNLLVR
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	Y644	QVLKYEQYLDNLLVR	100 / 9 AA	124
Phosphosite 1:	PIK3CA	P42336	Y641	QLVQVLKYEQYLDNL	100 / 6 AA	124
Phosphosite 2:	NPC1L1	Q9UHC9	Y1132	TNVFYEQYLTILPEG	75 / 8 AA	149
Phosphosite 3:	CYP7A1	P22680	Y412	LTFKYDRYLDENGKT	71 / 7 AA	58
Phosphosite 4:	AIDA-1b	Q7Z6G8	Y357	CHTISDHYLDNLSKI	71 / 7 AA	138
Phosphosite 5:	PIK3CD	O00329	Y624	QVLKYESYLDCELTK	85 / 7 AA	119
Phosphosite 6:	SART3	Q15020	S351	PDLWIRYSQYLDRQL	71 / 7 AA	110
Phosphosite 7:	SART3	Q15020	Y353	LWIRYSQYLDRQLKV	71 / 7 AA	110
Phosphosite 8:	CES8	Q5XG92	Y401	VPLVVEEYLDNVNEH	71 / 7 AA	64
Phosphosite 9:	CXorf59	Q8N9S7	Y92	GSLEKEKYEQFLSLE	83 / 6 AA	58
Phosphosite 10:	TBC1D7	Q9P0N9	Y85	MMYRKEQYLDVLHAL	85 / 7 AA	34
Phosphosite 11:	CYB5R1	Q9UHQ9	Y134	EGGKMSQYLDSLKVG	66 / 9 AA	34
Phosphosite 12:	STRA8	Q7Z7C7	T103	HIPELEQTLDNLLKL	85 / 7 AA	37
Phosphosite 13:	RAPGEF2	Q9Y4G8	Y980	MARKVKQYLSNLELE	66 / 9 AA	167
Phosphosite 14:	USP42	Q9H9J4	Y337	KDVKYPEYLDIRPYM	71 / 7 AA	146
Phosphosite 15:	BDP1	A6H8Y1	Y1790	SSVVEEQYLNKLTSC	71 / 7 AA	294
Phosphosite 16:	APOBEC4	Q8WW27	Y8	MEPIYEEYLANHGTI	71 / 7 AA	42
Phosphosite 17:	FCMD	O75072	Y262	ARAFFQQYLDDNTVE	57 / 7 AA	54
Phosphosite 18:	CYB5R1	Q9UHQ9	S137	KMSQYLDSLKVGDVV	83 / 6 AA	34
Phosphosite 19:	CTDP1	Q9Y5B0	Y611	YYAKYDRYLNKEIEE	50 / 8 AA	104
Phosphosite 20:	MED15	Q96RN5	Y532	SQAEEQQYLDKLKQL	71 / 7 AA	87