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:	Y641
P-Site Sequence:	QLVQVLKYEQYLDNL
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	Y641	QLVQVLKYEQYLDNL	100 / 9 AA	124
Phosphosite 1:	PIK3CD	O00329	Y621	QLVQVLKYESYLDCE	88 / 9 AA	119
Phosphosite 2:	ARHGAP1	Q07960	Y213	IPRQVLKYDDFLKST	66 / 9 AA	50
Phosphosite 3:	PIK3C2A	O00443	Y984	QFVQALKYEIYLNSS	77 / 9 AA	191
Phosphosite 4:	PIK3C2B	O00750	Y928	QLVQALKYECYLDSP	77 / 9 AA	185
Phosphosite 5:	TTC39B	Q5VTQ0	Y554	ESEKLLKYDHYLVPF	55 / 9 AA	70
Phosphosite 6:	PIK3CA	P42336	Y644	QVLKYEQYLDNLLVR	100 / 6 AA	124
Phosphosite 7:	NIPBL	Q6KC79	Y1985	LVEHILKYEESLADS	55 / 9 AA	316
Phosphosite 8:	P4HA3	Q7Z4N8	Y270	MARNVLKYERLLAES	75 / 8 AA	61
Phosphosite 9:	PIK3C3	Q8NEB9	Y405	QLVQALKYENFDDIK	62 / 8 AA	102
Phosphosite 10:	MTO1	Q9Y2Z2	Y578	RALDVLKYEEVDMDS	71 / 7 AA	80
Phosphosite 11:	CXorf59	Q8N9S7	Y92	GSLEKEKYEQFLSLE	83 / 6 AA	58
Phosphosite 12:	TTC39A	Q5SRH9	Y540	ANEKKIKYDHYLIPN	57 / 7 AA	70
Phosphosite 13:	SPTBN4	Q9NRC6	Y936	LEVMQLKYENFLTAL	71 / 7 AA	417
Phosphosite 14:	JOSD3	Q9H5J8	Y169	NYIEKLKYEHHLKES	71 / 7 AA	32
Phosphosite 15:	SEC6L1	O60645	Y168	CSRDGLMYEQYRMDS	62 / 8 AA	87
Phosphosite 16:	TTC39A	Q5SRH9	Y543	KKIKYDHYLIPNALL	66 / 6 AA	70
Phosphosite 17:	ADCY10	Q96PN6	Y514	NSSQVLMYEGLPGYG	83 / 6 AA	187
Phosphosite 18:	NSUN2	Q08J23	Y661	KGSIVLKYEPDSANP	83 / 6 AA	86
Phosphosite 19:	PDCD6	O75340	Y180	DGWIQVSYEQYLSMV	71 / 7 AA	22
Phosphosite 20:	MKL2	Q9ULH7	Y297	PRVKKLKYHQYIPPD	71 / 7 AA	118