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:	Y890
P-Site Sequence:	DKNKGEIYDAAIDLF
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	Y890	DKNKGEIYDAAIDLF	100 / 9 AA	124
Phosphosite 1:	SS18	Q15532	T17	QRGKGEITPAAIQKM	77 / 9 AA	46
Phosphosite 2:	VCAN	P13611	Y2623	STQVQEIYEAAVNLS	71 / 7 AA	373
Phosphosite 3:	IVNS1ABP	Q9Y6Y0	Y436	DLSCGEMYDSNIDDW	62 / 8 AA	72
Phosphosite 4:	SUPT6H	Q7KZ85	Y1184	RRPQGESYDQAIRND	66 / 9 AA	199
Phosphosite 5:	ANK2	Q01484	Y2887	LAENDEIYDPQITSP	55 / 9 AA	430
Phosphosite 6:	ADAMTS18	Q8TE60	Y515	DKLPGQIYDADTQCK	83 / 6 AA	135
Phosphosite 7:	FOG1	Q8IX07	Y383	PGSKGEIYSPGAGHP	62 / 8 AA	105
Phosphosite 8:	NUAK1	O60285	Y141	YASKGELYDYISERR	83 / 6 AA	74
Phosphosite 9:	ADAMTS16	Q8TE57	Y512	EKLPGELYDANTQCK	83 / 6 AA	136
Phosphosite 10:	SOX5	P35711	Y736	EDINGEIYDEYDEEE	71 / 7 AA	84
Phosphosite 11:	VIGR	Q86SQ4	Y308	VSLKGDIYNFRLWNF	66 / 6 AA	137
Phosphosite 12:	CCNYL2	Q5T2Q4	Y32	CHCESEIYEAAAGDL	71 / 7 AA	41
Phosphosite 13:	ADAMTS5	Q9UNA0	Y359	GDDHEEHYDAAILFT	85 / 7 AA	102
Phosphosite 14:	BRSK1	Q8TDC3	Y223	EVIKGEKYDGRRADM	71 / 7 AA	87
Phosphosite 15:	SULF1	Q8IWU6	Y555	VEFEGEIYDINLEEE	100 / 5 AA	101
Phosphosite 16:	USPL1	Q5W0Q7	Y146	SKHNGEVYDETSSNL	50 / 8 AA	120
Phosphosite 17:	KLHL7	Q8IXQ5	Y208	VRAEDQVYDAAVRWL	50 / 8 AA	66
Phosphosite 18:	MFI2	P08582	Y99	KPVVGEVYDQEVGTS	50 / 8 AA	80
Phosphosite 19:	ZNF75C	Q92670	Y238	NDVMQDIYETAISLG	44 / 9 AA	50
Phosphosite 20:	CPO	Q8IVL8	Y57	YHPMGEIYEWMREIS	66 / 6 AA	43