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:	S577
P-Site Sequence:	PPPRPANSTPDLSRH
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	S577	PPPRPANSTPDLSRH	100 / 9 AA	133
Phosphosite 1:	PTPN14	Q15678	S578	PRPRPATSTPDLASH	88 / 9 AA	135
Phosphosite 2:	PTPN21	Q16825	T578	PPRPANSTPDLSRHL	100 / 8 AA	133
Phosphosite 3:	TNS1	Q9HBL0	S1588	DSSGPANSTADLLKQ	87 / 8 AA	186
Phosphosite 4:	PTPN14	Q15678	T577	YPRPRPATSTPDLAS	87 / 8 AA	135
Phosphosite 5:	PTPN14	Q15678	T579	RPRPATSTPDLASHR	87 / 8 AA	135
Phosphosite 6:	KIAA1751	Q9C0B2	S517	FQGRPFNSKPELLHF	66 / 9 AA	87
Phosphosite 7:	WDR86	Q86TI4	S60	LQGRPSHSLPDLFAA	66 / 9 AA	53
Phosphosite 8:	EP400	Q96L91	T2691	VGSPATATPDLVSMA	75 / 8 AA	344
Phosphosite 9:	PPP2R5D	Q14738	S60	PSSNKRPSNSTPPPT	85 / 7 AA	70
Phosphosite 10:	PRDX3	P30048	T234	EVCPANWTPDSPTIK	85 / 7 AA	28
Phosphosite 11:	DPYS	Q14117	S306	PPLRPDPSTPDFLMN	66 / 9 AA	57
Phosphosite 12:	PPP2R5D	Q14738	S62	SNKRPSNSTPPPTQL	85 / 7 AA	70
Phosphosite 13:	GPR125	Q8IWK6	S1134	ANSLPLNSTPQLDNS	75 / 8 AA	146
Phosphosite 14:	RCOR3	Q9P2K3	S461	PLIRPANSMPPRLNP	85 / 7 AA	56
Phosphosite 15:	FAM26F	Q5R3K3	T312	DSSGINSTPEL____	83 / 6 AA	34
Phosphosite 16:	FAM26F	Q5R3K3	S311	VDSSGINSTPEL___	83 / 6 AA	34
Phosphosite 17:	KIAA1549	Q9HCM3	T1647	PGLPANSTPSQEERR	100 / 6 AA	203
Phosphosite 18:	KIAA1549	Q9HCM3	S1646	PPGLPANSTPSQEER	100 / 6 AA	203
Phosphosite 19:	TDH	Q8IZJ6	T179	PTSPRNPTPDLCIQR	75 / 8 AA	25
Phosphosite 20:	GPR125	Q8IWK6	T1135	NSLPLNSTPQLDNSL	75 / 8 AA	146