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:	S390
P-Site Sequence:	LETQSLPSRSPPGTP
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	S390	LETQSLPSRSPPGTP	100 / 9 AA	106
Phosphosite 1:	PTPN3	P26045	S372	LETKSLPSRSPPITP	88 / 9 AA	104
Phosphosite 2:	PTPN3	P26045	S370	TKSLPSRSPPITPNW	100 / 7 AA	104
Phosphosite 3:	PTPN4	P29074	S392	TQSLPSRSPPGTPNH	100 / 7 AA	106
Phosphosite 4:	PVRL2	Q92692	S10	RAAALLPSRSPPTPL	100 / 7 AA	58
Phosphosite 5:	BRSK1	Q8TDC3	S496	SKTQTLPSRGPRGGG	75 / 8 AA	87
Phosphosite 6:	UPF0705	Q9H6J7	S296	PEASCLPSRTPPRVG	75 / 8 AA	37
Phosphosite 7:	QSK	Q9Y2K2	S715	SQFQGLPSRSAIFQQ	75 / 8 AA	140
Phosphosite 8:	Cbl-b	Q13191	S583	HHVESVPSRDPPMPL	66 / 9 AA	109
Phosphosite 9:	Rapgef3	O95398	T892	CSEQSLSTRSPASTW	66 / 9 AA	104
Phosphosite 10:	MLLT1	Q03111	S454	SADSSLPSREPPPPQ	87 / 8 AA	62
Phosphosite 11:	TSHZ2	Q9NRE2	S183	SLQQNLPSRSVSKPS	85 / 7 AA	115
Phosphosite 12:	Rapgef3	O95398	S891	TCSEQSLSTRSPAST	75 / 8 AA	104
Phosphosite 13:	UPF0705	Q9H6J7	T298	ASCLPSRTPPRVGSP	85 / 7 AA	37
Phosphosite 14:	MLL	Q03164	S1682	ETEESIPSRSSPEGP	66 / 9 AA	432
Phosphosite 15:	LRRC8A	Q8IWT6	S748	NVLQSLPSRVGELTN	100 / 6 AA	94
Phosphosite 16:	LRRC8A	Q8IWT6	S745	LGNNVLQSLPSRVGE	100 / 6 AA	94
Phosphosite 17:	TAF1C	Q15572	S538	GPPQSLPSRIDSLPA	100 / 6 AA	95
Phosphosite 18:	PTPN4	P29074	S387	DDRLETQSLPSRSPP	100 / 6 AA	106
Phosphosite 19:	TAF1C	Q15572	S535	RLAGPPQSLPSRIDS	100 / 6 AA	95
Phosphosite 20:	FCHSD1	Q86WN1	S625	DPEQMLPSPSPPSFS	77 / 9 AA	77