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:	Y389
P-Site Sequence:	RWNEWLNYDIYIPDL
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	Y389	RWNEWLNYDIYIPDL	100 / 9 AA	124
Phosphosite 1:	PIK3CA	P42336	Y392	EWLNYDIYIPDLPRA	100 / 6 AA	124
Phosphosite 2:	IL13R	P78552	Y402	DTLHWKKYDIYEKQT	71 / 7 AA	49
Phosphosite 3:	KIAA1609	Q6P9B6	Y189	LGPQWLDYDCDRAVI	57 / 7 AA	51
Phosphosite 4:	MREG	Q8N565	Y92	EEWQKLNYDIHTLRQ	55 / 9 AA	24
Phosphosite 5:	UGGT1	Q9NYU2	Y1516	IVPEWQDYDQEIKQL	55 / 9 AA	177
Phosphosite 6:	TNIK	Q9UKE5	Y1229	SGNSYDIYIPSHIQG	83 / 6 AA	155
Phosphosite 7:	UGCGL2	Q9NYU1	Y1491	IVPEWVEYDAEIRQL	55 / 9 AA	175
Phosphosite 8:	MINK1	Q8N4C8	Y1201	SGNSYDIYIPVHIQS	83 / 6 AA	150
Phosphosite 9:	TNIK	Q9UKE5	Y1226	DVDSGNSYDIYIPSH	83 / 6 AA	155
Phosphosite 10:	MINK1	Q8N4C8	Y1198	DVDSGNSYDIYIPVH	83 / 6 AA	150
Phosphosite 11:	GluR-delta2	O43424	Y486	SNYLGFNYEIYVAPD	57 / 7 AA	113
Phosphosite 12:	GPR97	Q86Y34	Y74	LQRYWLNYEAHLMKE	50 / 8 AA	61
Phosphosite 13:	PSME4	Q14997	Y1251	PDNHWLHYDSKTIPR	80 / 5 AA	211
Phosphosite 14:	GluR-delta2	O43424	Y489	LGFNYEIYVAPDHKY	66 / 6 AA	113
Phosphosite 15:	NHLRC2	Q8NBF2	T66	EGLEWLNTEEPISVY	55 / 9 AA	79
Phosphosite 16:	KLHL7	Q8IXQ5	Y217	AAVRWLKYDEPNRQP	80 / 5 AA	66
Phosphosite 17:	KIAA1109	Q2LD37	Y4761	SVKEWFNYVTATRNE	80 / 5 AA	555
Phosphosite 18:	PARP2	Q9UGN5	Y556	PDGYTLNYNEYIVYN	71 / 7 AA	66
Phosphosite 19:	PRIM1	P49642	Y32	QYYRWLNYGGVIKNY	62 / 8 AA	50
Phosphosite 20:	RGPD5	Q99666	Y1251	PTLEWDNYDLREDAL	71 / 7 AA	199