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:	Y569
P-Site Sequence:	VYRPPPPYPPPRPAN
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	Y569	VYRPPPPYPPPRPAN	100 / 9 AA	133
Phosphosite 1:	PTPN14	Q15678	Y570	LFRPPPPYPRPRPAT	88 / 9 AA	135
Phosphosite 2:	CRTC3	Q6UUV7	Y448	QVSPPPPYPAPQELT	77 / 9 AA	67
Phosphosite 3:	NMDAR2D	O15399	Y920	QPLPSPAYPAPRPAP	66 / 9 AA	144
Phosphosite 4:	GPC2	Q8N158	Y528	ARPPRPPYPPRRDGS	77 / 9 AA	63
Phosphosite 5:	SMR3A	Q99954	Y84	PPSPPPPYGPGRIQS	77 / 9 AA	14
Phosphosite 6:	SMR3B	P02814	Y54	PPPPPPPYGPGRIPP	77 / 9 AA	8
Phosphosite 7:	PTPN14	Q15678	Y752	PNKPPPEYPGPRKSV	77 / 9 AA	135
Phosphosite 8:	LTBP4	Q8N2S1	Y1410	NVLRPPAYSPPRPGG	75 / 8 AA	173
Phosphosite 9:	C6orf47	O95873	Y26	PMRPDPPYPEPRRVD	77 / 9 AA	32
Phosphosite 10:	LTBP4	Q8N2S1	S1411	VLRPPAYSPPRPGGF	75 / 8 AA	173
Phosphosite 11:	EGR2	P11161	Y208	AYPPPPSYPSPKPAT	66 / 9 AA	50
Phosphosite 12:	PRR13	Q9NZ81	Y81	LGPYPPPYPPPAPGI	100 / 7 AA	15
Phosphosite 13:	CTAGE5	O15320	Y762	PPRGFPPYLPPRPGF	85 / 7 AA	91
Phosphosite 14:	WBP2	Q969T9	Y200	VQPPPPPYPGPMEPP	77 / 9 AA	28
Phosphosite 15:	WBP7	Q9UMN6	Y2295	SPPAPPPYKAPRLDE	75 / 8 AA	294
Phosphosite 16:	SNX26	O14559	Y1270	GAGPPPPYPTPSWSL	77 / 9 AA	137
Phosphosite 17:	ARHGEF9	O43307	Y468	ARSVPPSYPPPQDPL	75 / 8 AA	61
Phosphosite 18:	BTBD7	Q9P203	Y765	LPPPPPPYHPPATPI	87 / 8 AA	126