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:	PTPN4
Human P-Site:	S689
P-Site Sequence:	KNRYRDISPYDATRV
UniProt:	P29074
Intern. Prot. ID:	IPI00019949

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PTPN4	P29074	S689	KNRYRDISPYDATRV	100 / 9 AA	106
Phosphosite 1:	PTPN2	P17706	S52	RNRYRDVSPYDHSRV	87 / 8 AA	49
Phosphosite 2:	PTP1B	P18031	S50	RNRYRDVSPFDHSRI	75 / 8 AA	50
Phosphosite 3:	PTPN4	P29074	Y691	RYRDISPYDATRVIL	100 / 7 AA	106
Phosphosite 4:	CHST13	Q8NET6	S312	ARLFRDISPFYQRRL	71 / 7 AA	39
Phosphosite 5:	PPFIBP2	Q8ND30	S859	YSGYRGLSPLDAPEL	66 / 9 AA	98
Phosphosite 6:	ARHGAP6	O43182	Y669	SSGDISPYDNNSPVL	100 / 6 AA	106
Phosphosite 7:	ARHGAP6	O43182	S667	KASSGDISPYDNNSP	100 / 6 AA	106
Phosphosite 8:	MMP1	P03956	S172	RGDHRDNSPFDGPGG	55 / 9 AA	54
Phosphosite 9:	APRT	P07741	S30	GVVFRDISPVLKDPA	83 / 6 AA	20
Phosphosite 10:	NEK10	Q6ZWH5	S479	GHYVRDISAYEELVS	71 / 7 AA	133
Phosphosite 11:	CASC5	Q8NG31	S1773	ETYQKEISPYENKMG	57 / 7 AA	265
Phosphosite 12:	PDX1	P52945	S66	QGSPPDISPYEVPPL	62 / 8 AA	31
Phosphosite 13:	SLC6A20	Q9NP91	T79	GSIGAWRTISPYLSG	71 / 7 AA	66
Phosphosite 14:	PDX1	P52945	Y68	SPPDISPYEVPPLAD	71 / 7 AA	31
Phosphosite 15:	PTPN2	P17706	Y54	RYRDVSPYDHSRVKL	83 / 6 AA	49
Phosphosite 16:	KIAA1841	Q6NSI8	S619	KSASRDVSPFVMSMQ	66 / 6 AA	82
Phosphosite 17:	CASC5	Q8NG31	Y1775	YQKEISPYENKMGKT	66 / 6 AA	265
Phosphosite 18:	SORBS1	Q9BX66	S556	EKMSRDISPEEIDLK	71 / 7 AA	142
Phosphosite 19:	CO3A1	P02461	Y1447	PIVDIAPYDIGGPDQ	83 / 6 AA	139
Phosphosite 20:	DOCK9	Q9BZ29	S1186	RINVRDVSPFPVNAG	66 / 6 AA	236