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:	S919
P-Site Sequence:	GIGDRHNSNIMVKDD
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	S919	GIGDRHNSNIMVKDD	100 / 9 AA	124
Phosphosite 1:	FRAP1	P42345	S2342	GLGDRHPSNLMLDRL	66 / 9 AA	289
Phosphosite 2:	PIK3CB	P42338	S922	LGIGDRHSDNIMVKK	75 / 8 AA	123
Phosphosite 3:	PIK3CD	O00329	S896	LGIGDRHSDNIMIRE	75 / 8 AA	119
Phosphosite 4:	DPP8	Q6V1X1	S527	EVLGRHGSNIQVDEV	66 / 9 AA	103
Phosphosite 5:	KCNJ8	Q15842	S404	SIRRNNSSLMVPKVQ	62 / 8 AA	48
Phosphosite 6:	KCNJ8	Q15842	S403	NSIRRNNSSLMVPKV	62 / 8 AA	48
Phosphosite 7:	KIAA0319	Q5VV43	S1025	RSTEHNSSLMVSESE	71 / 7 AA	118
Phosphosite 8:	SOX6	P35712	S649	AFPDMHNSNISKILG	85 / 7 AA	92
Phosphosite 9:	SOX5	P35711	S584	AFPDMHNSNISKILG	85 / 7 AA	84
Phosphosite 10:	ARHGAP11A	Q6P4F7	S577	NLNNKHNSNITSSPL	62 / 8 AA	114
Phosphosite 11:	BNC2	Q6ZN30	S882	RRSRDRHSANINLHR	71 / 7 AA	122
Phosphosite 12:	Basonuclin 1	Q01954	S770	RSRDRHSSNLNLHQK	71 / 7 AA	111
Phosphosite 13:	Septin-10	Q9P0V9	S451	KDKDRKNSNFL____	62 / 8 AA	53
Phosphosite 14:	Basonuclin 1	Q01954	S769	RRSRDRHSSNLNLHQ	71 / 7 AA	111
Phosphosite 15:	THADA	Q6YHU6	T411	LDALRHQTKIMFKNL	57 / 7 AA	220
Phosphosite 16:	CNDP1	Q96KN2	S404	VFSKRNSSNKMVVSM	62 / 8 AA	57
Phosphosite 17:	ACAT2	Q9BWD1	S226	DEFPRHGSNIEAMSK	83 / 6 AA	41
Phosphosite 18:	Putative transmembrane protein LOC401397	A4D0T7	S126	GTFSPQDSNIMTSVS	50 / 8 AA	20
Phosphosite 19:	NCOA2	Q15596	S1122	EQFSSQDSNIMLEQK	50 / 8 AA	159
Phosphosite 20:	TBL1X	O60907	S474	PATSNPNSNIMLASA	71 / 7 AA	62