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:	S691
P-Site Sequence:	GKYCRPESQEHPEAD
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	S691	GKYCRPESQEHPEAD	100 / 9 AA	88
Phosphosite 1:	CASZ1	Q86V15	S135	LSCPQPESQDHPNWT	75 / 8 AA	190
Phosphosite 2:	LARP2	Q659C4	S90	LDVVRSESQERPGSR	66 / 9 AA	105
Phosphosite 3:	GALNT7	Q86SF2	S487	FYASRPESQALPYGD	66 / 9 AA	75
Phosphosite 4:	JMJD1C	Q15652	S1973	ISLCMPESQQQNTPP	62 / 8 AA	285
Phosphosite 5:	PHAX	Q9H814	S164	AKKLRKESQEHTKDL	85 / 7 AA	44
Phosphosite 6:	BRD4	O60885	S338	PKKDVPDSQQHPAPE	71 / 7 AA	152
Phosphosite 7:	KIAA1958	Q8N8K9	S68	TATCRAGSQERVCFQ	62 / 8 AA	79
Phosphosite 8:	REV3	O60673	S286	SQMSQPESQDHRFVP	62 / 8 AA	353
Phosphosite 9:	GLCCI1	Q86VQ1	S375	SPFCPPESQDGSPCS	71 / 7 AA	58
Phosphosite 10:	DACT1	Q9NYF0	S460	PKTAKPASQEHARCS	62 / 8 AA	90
Phosphosite 11:	MEX3C	Q5U5Q3	S551	LSPTFPESIEHPLAR	85 / 7 AA	69
Phosphosite 12:	KLK9	Q9UKQ9	S33	AEECRPNSQPWQAGL	83 / 6 AA	28
Phosphosite 13:	TACC3	Q9Y6A5	S210	EDPCRTESQHKAETP	83 / 6 AA	90
Phosphosite 14:	LRRC7	Q96NW7	S918	QIHCRPESSKGVISI	100 / 5 AA	173
Phosphosite 15:	FLG2	Q5D862	S1442	GGSHRPQSQEQTHGQ	71 / 7 AA	248
Phosphosite 16:	UBR4	Q5T4S7	S2756	GGHIRQESQEQSEVD	55 / 9 AA	574
Phosphosite 17:	ZNF202	O95125	S33	DFTCRPESVLQRDDP	100 / 5 AA	75
Phosphosite 18:	AMOTL2	Q9Y2J4	S268	QYQYLQQSQEHPPPP	55 / 9 AA	86
Phosphosite 19:	CRHBP	P24387	S126	KGEKFPSSQDHPLPS	71 / 7 AA	36
Phosphosite 20:	C14orf115	Q9H8Y1	S303	FYRWRRQSQEHRQKV	62 / 8 AA	78