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:	PTPN21
Human P-Site:	S444
P-Site Sequence:	HSAVIPPSYRPTPDY
UniProt:	Q16825
Intern. Prot. ID:	IPI00004388

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PTPN21	Q16825	S444	HSAVIPPSYRPTPDY	100 / 9 AA	133
Phosphosite 1:	PTPN21	Q16825	Y445	SAVIPPSYRPTPDYE	100 / 8 AA	133
Phosphosite 2:	PTPN14	Q15678	S438	HSAIIVPSYRPTPDY	77 / 9 AA	135
Phosphosite 3:	PTPN14	Q15678	Y439	SAIIVPSYRPTPDYE	87 / 8 AA	135
Phosphosite 4:	API5	Q9BZZ5	S434	DLFHIPPSYKSTVTL	75 / 8 AA	58
Phosphosite 5:	CDC25A	P30304	Y486	SYCEPPSYRPMHHED	100 / 6 AA	59
Phosphosite 6:	NFAT3	Q14934	Y758	QTGPPPSYRPGLRMF	100 / 6 AA	95
Phosphosite 7:	NFAT3	Q14934	S757	PQTGPPPSYRPGLRM	100 / 6 AA	95
Phosphosite 8:	FAT2	Q9NYQ8	Y153	PLFSPPSYRVTISED	85 / 7 AA	479
Phosphosite 9:	FLJ34931	A6NGG8	S1015	RRRSLPSSYRPAQPS	62 / 8 AA	140
Phosphosite 10:	ZMYM5	Q9UJ78	S102	NYSVIPPSSRDLASQ	85 / 7 AA	75
Phosphosite 11:	PNPLA1	Q8N8W4	Y165	CGLIPPTYRGVRYID	83 / 6 AA	58
Phosphosite 12:	CAST	P20810	Y481	EETIPPDYRLEEVKD	83 / 6 AA	77
Phosphosite 13:	STK24	Q9Y6E0	S272	ACLNKEPSFRPTAKE	83 / 6 AA	49
Phosphosite 14:	MST4	Q9P289	S260	ACLNKDPSFRPTAKE	83 / 6 AA	47
Phosphosite 15:	DGKE	P52429	S190	KNLIIPPSYLTSINQ	83 / 6 AA	64
Phosphosite 16:	TRAF4AF1	Q9Y448	Y31	SHPLPPSYRKFLFET	83 / 6 AA	35
Phosphosite 17:	CAST	P20810	Y205	EVTIPPKYRELLAKK	83 / 6 AA	77
Phosphosite 18:	EWS	Q01844	Y190	PVTAPPSYPPTSYSS	85 / 7 AA	68
Phosphosite 19:	CHST12	Q9NRB3	Y368	QLRFPPSYRNRTASS	83 / 6 AA	48
Phosphosite 20:	EWS	Q01844	S189	QPVTAPPSYPPTSYS	85 / 7 AA	68