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:	T373
P-Site Sequence:	PLCDNVNTQRVPCSN
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	T373	PLCDNVNTQRVPCSN	100 / 9 AA	124
Phosphosite 1:	PAPPA2	Q9BXP8	T465	ASFEPVNTEWVPFRD	55 / 9 AA	199
Phosphosite 2:	GPR156	Q8NFN8	T150	WRLYKVFTQRVPDKR	75 / 8 AA	89
Phosphosite 3:	ANUBL1	Q86XD8	T107	MRGGPINTRRVPTDD	71 / 7 AA	80
Phosphosite 4:	WAC	Q9BTA9	T83	SKAKNVHTHRVRERD	62 / 8 AA	71
Phosphosite 5:	ITIH1	P19827	T659	PTHSSSNTQRLPDRV	83 / 6 AA	101
Phosphosite 6:	MED13L	Q71F56	S2150	ELLPARNSQRVPHPL	83 / 6 AA	243
Phosphosite 7:	ZFP106	Q9H2Y7	T932	ERAENVATQRRHSAQ	71 / 7 AA	209
Phosphosite 8:	RGS21	Q2M5E4	S139	IYKKLVNSQQVPNHK	71 / 7 AA	18
Phosphosite 9:	MLH3	Q9UHC1	T422	TTAENVNTQSSRDSE	83 / 6 AA	164
Phosphosite 10:	NDN	Q99608	Y247	VQMNYLKYQRVPYVE	44 / 9 AA	36
Phosphosite 11:	GSG1L	Q6UXU4	T36	TTHWCQGTQRVPKPG	83 / 6 AA	37
Phosphosite 12:	MARK1	Q9P0L2	T581	EAYRPGTTQRVPAAS	83 / 6 AA	89
Phosphosite 13:	CCDC46	Q8N8E3	S742	EELINVNSQRKQQLV	83 / 6 AA	113
Phosphosite 14:	MEF2A	Q02078	T298	EEELELNTQRISSSQ	57 / 7 AA	55
Phosphosite 15:	C22orf30	Q5THK1	T8	MLSSGVETQPVPLDS	62 / 8 AA	237
Phosphosite 16:	CPSF1	Q10570	T138	GFVQNVHTPRVRVDP	62 / 8 AA	161
Phosphosite 17:	MTERFD3	Q49AM1	T114	CSPTAVNTQRKLWQL	100 / 5 AA	44
Phosphosite 18:	CARD6	Q9BX69	T664	VDEDFENTQRIQVSS	55 / 9 AA	116
Phosphosite 19:	PLA2G4E	Q3MJ16	T220	VNESFENTQRVRPCL	83 / 6 AA	96
Phosphosite 20:	GBE1	Q04446	Y173	REGDNVNYDWIHWDP	44 / 9 AA	80