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:	S775
P-Site Sequence:	EKRMMDSSPVRTTAE
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	S775	EKRMMDSSPVRTTAE	100 / 9 AA	133
Phosphosite 1:	Uncharacterized protein FLJ43738	Q6ZUG5	Y239	KALGLDSYPVRTLQQ	75 / 8 AA	66
Phosphosite 2:	VWCE	Q96DN2	S907	ALSMMDPSPSKTPIT	66 / 9 AA	100
Phosphosite 3:	MYST2	O95251	S57	SQSSQDSSPVRNLQS	75 / 8 AA	71
Phosphosite 4:	ARHGAP26	Q9UNA1	S697	SSTSSDSSPVRSVAG	85 / 7 AA	92
Phosphosite 5:	MYST2	O95251	S56	LSQSSQDSSPVRNLQ	85 / 7 AA	71
Phosphosite 6:	C15orf39	Q6ZRI6	S107	GPEKMQDSSPVELLP	85 / 7 AA	111
Phosphosite 7:	ARHGAP26	Q9UNA1	S696	TSSTSSDSSPVRSVA	100 / 6 AA	92
Phosphosite 8:	C15orf39	Q6ZRI6	S108	PEKMQDSSPVELLPF	85 / 7 AA	111
Phosphosite 9:	VCAN	P13611	T1790	EREMTDSTPVFTETN	66 / 9 AA	373
Phosphosite 10:	Elf-2	Q15723	S159	ESEPMDTSPIPTSPD	62 / 8 AA	64
Phosphosite 11:	USP2	O75604	S584	SVTPMSSSQVRTSDA	75 / 8 AA	68
Phosphosite 12:	DUS3L	Q96G46	S277	GTSTPPSSPVRTCGP	100 / 6 AA	73
Phosphosite 13:	Plasminogen	P00747	S355	KIPSCDSSPVSTEQL	85 / 7 AA	91
Phosphosite 14:	ZFHX4	Q86UP3	S3042	QPGMMDSSSLHGISL	62 / 8 AA	394
Phosphosite 15:	ZFHX4	Q86UP3	S3041	QQPGMMDSSSLHGIS	62 / 8 AA	394
Phosphosite 16:	MINK1	Q8N4C8	S778	ASSKLDSSPVLSPGN	71 / 7 AA	150
Phosphosite 17:	MINK1	Q8N4C8	S777	GASSKLDSSPVLSPG	71 / 7 AA	150
Phosphosite 18:	KLKB1	P03952	S356	LRLSMDGSPTRIAYG	71 / 7 AA	71
Phosphosite 19:	TBC1D16	Q8TBP0	S103	RYITPESSPVRKAPR	83 / 6 AA	86
Phosphosite 20:	TBC1D16	Q8TBP0	S102	LRYITPESSPVRKAP	83 / 6 AA	86