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:	S403
P-Site Sequence:	MEESNNGSLSAEFKH
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	S403	MEESNNGSLSAEFKH	100 / 9 AA	88
Phosphosite 1:	STAT1	P42224	S399	MEESTNGSLAAEFRH	77 / 9 AA	87
Phosphosite 2:	STAT3	P40763	S405	ESNNGSLSAEFKHLT	100 / 7 AA	88
Phosphosite 3:	STAT4	Q14765	S394	IEESSNGSLSVEFRH	77 / 9 AA	86
Phosphosite 4:	CCNYL2	Q5T2Q4	S344	YSAAKNGSLSADDLI	66 / 9 AA	41
Phosphosite 5:	KIAA1718	Q6ZMT4	S877	QISNGSLSPERPVGE	85 / 7 AA	107
Phosphosite 6:	CCNYL2	Q5T2Q4	S346	AAKNGSLSADDLIHL	85 / 7 AA	41
Phosphosite 7:	SYT14L	Q58G82	S67	NATNGRLSAEVIKGS	85 / 7 AA	21
Phosphosite 8:	KIAA1718	Q6ZMT4	S875	ACQISNGSLSPERPV	85 / 7 AA	107
Phosphosite 9:	AKT1S1	Q96B36	S155	PESTDDGSLSEETPA	55 / 9 AA	27
Phosphosite 10:	STAT4	Q14765	S396	ESSNGSLSVEFRHLQ	85 / 7 AA	86
Phosphosite 11:	LMAN2L	Q9H0V9	S183	SAMVNNGSLSYDHER	75 / 8 AA	40
Phosphosite 12:	LMAN2	Q12907	S185	SVMVNNGSLSYDHSK	75 / 8 AA	40
Phosphosite 13:	PPP3R1	P63098	S37	LDLDNSGSLSVEEFM	75 / 8 AA	19
Phosphosite 14:	RBM9	O43251	S92	SPSTQNGSLTTEGGA	55 / 9 AA	41
Phosphosite 15:	WRAP53	Q9BUR4	S114	EEANGSLSEEEANGP	85 / 7 AA	59
Phosphosite 16:	WRAP53	Q9BUR4	S112	PAEEANGSLSEEEAN	85 / 7 AA	59
Phosphosite 17:	KIAA1239	Q9ULI1	S909	KVTAFPGSLSAELQQ	100 / 6 AA	197
Phosphosite 18:	ZNF274	Q96GC6	S139	YAEDGSLSADAPSEQ	71 / 7 AA	74
Phosphosite 19:	ZNF274	Q96GC6	S137	ALYAEDGSLSADAPS	55 / 9 AA	74
Phosphosite 20:	C12orf4	Q9NQ89	S241	LKNPNNSSLSEEIKV	66 / 9 AA	64