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:	S535
P-Site Sequence:	KEQLKAISTRDPLSE
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	S535	KEQLKAISTRDPLSE	100 / 9 AA	124
Phosphosite 1:	PIK3CA	P42336	T536	EQLKAISTRDPLSEI	100 / 8 AA	124
Phosphosite 2:	MTDH	Q86UE4	S494	AFSLKTISTSDPAEV	77 / 9 AA	64
Phosphosite 3:	SVIL	O95425	S834	QPVSKAISTRNRIDT	85 / 7 AA	248
Phosphosite 4:	IL6	P05231	T165	AKNLDAITTPDPTTN	66 / 9 AA	24
Phosphosite 5:	OR52R1	Q8NGF1	S242	EARLKAFSTRSSHIC	66 / 9 AA	35
Phosphosite 6:	ANKLE2	Q86XL3	S241	GSRFKAFSTREDAEK	62 / 8 AA	104
Phosphosite 7:	UBLE1A	Q9UBE0	S319	QEIVKALSQRDPPHN	66 / 9 AA	38
Phosphosite 8:	SCRN1	Q12765	T97	IANEAINTREPAAEI	71 / 7 AA	46
Phosphosite 9:	STAT5A	P42229	T647	LWNLKPFTTRDFSIR	62 / 8 AA	91
Phosphosite 10:	CARD8	Q9Y2G2	S416	DVLFRSISERDPYLV	55 / 9 AA	49
Phosphosite 11:	MTA3	Q9BTC8	S525	GSPLKSKSTRKPLAC	66 / 9 AA	68
Phosphosite 12:	MKI67	P46013	S2976	EPVGDVVSTRDPVKS	71 / 7 AA	359
Phosphosite 13:	HGSNAT	Q68CP4	S229	NWISKAISSRETDRL	71 / 7 AA	73
Phosphosite 14:	SAGE1	Q9NXZ1	T242	TGISPMSTRDPYATI	71 / 7 AA	99
Phosphosite 15:	MUC20	Q8N307	S454	TEGVKASSTSDPPAL	66 / 9 AA	72
Phosphosite 16:	KCNU1	A8MYU2	S645	KKCLKGISSRISGQD	71 / 7 AA	130
Phosphosite 17:	EEFSEC	P57772	T217	TSQISIPTRDPSGPF	71 / 7 AA	65
Phosphosite 18:	SAGE1	Q9NXZ1	S241	DTGISPMSTRDPYAT	55 / 9 AA	99
Phosphosite 19:	PJVK	Q0ZLH3	T134	STLLKEITTRKINFD	71 / 7 AA	40
Phosphosite 20:	PELI1	Q96FA3	S70	PQAAKAISNKDQHSI	62 / 8 AA	46