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:	STAT3
Human P-Site:	S509
P-Site Sequence:	DQVAEVLSWQFSSTT
UniProt:	P40763
Intern. Prot. ID:	IPI00784414

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	STAT3	P40763	S509	DQVAEVLSWQFSSTT	100 / 9 AA	88
Phosphosite 1:	KIAA0323	O15037	S143	EELAERLSWDFTPGP	66 / 9 AA	74
Phosphosite 2:	SIDT1	Q9NXL6	S105	RQQKEVLSWQVPLLF	100 / 6 AA	94
Phosphosite 3:	ERCC6L	Q2NKX8	S1000	VHSKTCLSWEFSEKD	71 / 7 AA	141
Phosphosite 4:	ELYS	Q8WYP5	S840	PATAKPLSWQHSKII	66 / 9 AA	252
Phosphosite 5:	TAGAP	Q8N103	S59	KKRKKVLSWPFLMRR	71 / 7 AA	81
Phosphosite 6:	ATP13A1	Q9HD20	S171	EDGLEVLSFEFQKIK	71 / 7 AA	133
Phosphosite 7:	RTN3	O95197	S312	YPMSALLSRQFSHTN	55 / 9 AA	113
Phosphosite 8:	NOD2	Q9HC29	S67	LLSWEVLSWEDYEGF	83 / 6 AA	115
Phosphosite 9:	PARP10	Q53GL7	S44	SGGGPVLSWQRLGCG	71 / 7 AA	110
Phosphosite 10:	SIPA1	Q96FS4	T641	CRDVLAWTFSEQQLD	71 / 7 AA	112
Phosphosite 11:	CACNA1D	Q01668	S52	SSKQTVLSWQAAIDA	100 / 5 AA	245
Phosphosite 12:	STAT3	P40763	S513	EVLSWQFSSTTKRGL	100 / 5 AA	88
Phosphosite 13:	RGS17	Q9UGC6	S80	PTAEEVLSWSQNFDK	83 / 6 AA	24
Phosphosite 14:	STAT1	P42224	S507	EVLSWQFSSVTKRGL	100 / 5 AA	87
Phosphosite 15:	RAET1L	Q5VY80	S142	SSGSWQFSIDGQTFL	100 / 5 AA	28
Phosphosite 16:	STAT4	Q14765	S503	EVMSWQFSSYVGRGL	100 / 5 AA	86
Phosphosite 17:	STAT2	P52630	S505	PALSWQFSSYVGRGL	100 / 5 AA	98
Phosphosite 18:	GPATC2	Q9NW75	S18	GAPAAGNSWHFSRTM	55 / 9 AA	59
Phosphosite 19:	ULBP2	Q9BZM5	S138	AEGHSSGSWQFSFDG	100 / 5 AA	27
Phosphosite 20:	RAET1L	Q5VY80	S138	AEGHSSGSWQFSIDG	100 / 5 AA	28