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:	S541
P-Site Sequence:	ISTRDPLSEITEQEK
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	S541	ISTRDPLSEITEQEK	100 / 9 AA	124
Phosphosite 1:	PIK3CB	P42338	S548	ILDRDPLSQLCENEM	66 / 9 AA	123
Phosphosite 2:	ADNP	Q9H2P0	Y177	CTYRDPLYEIVRKHI	75 / 8 AA	124
Phosphosite 3:	IL22RA1	Q8N6P7	S322	APQRHSLSEITYLGQ	75 / 8 AA	63
Phosphosite 4:	NXF5	Q9H1B4	S178	LYQLDGLSDITEKAP	75 / 8 AA	46
Phosphosite 5:	NXF2	Q9GZY0	S289	LYQLDGLSDITEKAP	75 / 8 AA	72
Phosphosite 6:	PDZRN3	Q9UPQ7	S741	DVRRHELSDITELPE	66 / 9 AA	120
Phosphosite 7:	NEK3	P51956	S447	GFLKGPLSEETEASD	66 / 9 AA	58
Phosphosite 8:	CDCA2	Q69YH5	S267	VEESLPLSELTETSN	85 / 7 AA	113
Phosphosite 9:	ALO17	Q9HCF4	S972	LTKEEPLSQITAYCN	71 / 7 AA	175
Phosphosite 10:	PCNX	Q96RV3	S1244	KNPEDPLSEVKDPLP	62 / 8 AA	259
Phosphosite 11:	SRCAP	Q6ZRS2	S1970	QQRLDQLSEIIERFI	75 / 8 AA	344
Phosphosite 12:	SELM	Q8WWX9	S98	ELERIPLSEMTREEI	75 / 8 AA	16
Phosphosite 13:	MYO5C	Q9NQX4	S1104	REMREKMSEITKQLL	62 / 8 AA	203
Phosphosite 14:	SEMA3G	Q9NS98	T114	RKGRDPLTECANFVR	62 / 8 AA	87
Phosphosite 15:	FBXL10	Q8NHM5	S1269	VGTTTRDSLTEINLS	71 / 7 AA	153
Phosphosite 16:	ZNF521	Q96K83	S60	LQVFESLSDITEHKI	62 / 8 AA	148
Phosphosite 17:	KIAA1545	Q9HCM7	S119	TSSRDPLSDSSAHAV	83 / 6 AA	103
Phosphosite 18:	FBXL10	Q8NHM5	T1271	TTTRDSLTEINLSDC	71 / 7 AA	153
Phosphosite 19:	VPS13B	Q7Z7G8	S1620	GILRDPGSEIEDRQY	66 / 9 AA	449
Phosphosite 20:	CACNA1B	Q00975	S2245	LLQRDPLSQPLAPGS	83 / 6 AA	262