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:	Y371
P-Site Sequence:	VPNQNGYYCHSQTSL
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	Y371	VPNQNGYYCHSQTSL	100 / 9 AA	133
Phosphosite 1:	PTPN21	Q16825	Y370	FVPNQNGYYCHSQTS	100 / 8 AA	133
Phosphosite 2:	LTBP4	Q8N2S1	Y1286	CYCSNGYYYHTQRLE	75 / 8 AA	173
Phosphosite 3:	PTPN21	Q16825	S374	QNGYYCHSQTSLDRA	100 / 6 AA	133
Phosphosite 4:	PIK3C2B	O00750	Y845	RLWEKRYYCHSEVSS	55 / 9 AA	185
Phosphosite 5:	KRTAP20-1	Q3LI63	Y42	GGYGNGYYCPSCYGR	85 / 7 AA	6
Phosphosite 6:	KRTAP20-1	Q3LI63	Y41	YGGYGNGYYCPSCYG	85 / 7 AA	6
Phosphosite 7:	PIK3C2B	O00750	S848	EKRYYCHSEVSSLPL	83 / 6 AA	185
Phosphosite 8:	ADCY4	Q8NFM4	Y812	VLARQNEYYCRLDFL	71 / 7 AA	120
Phosphosite 9:	ADCY2	Q08462	Y826	VLGRQNEYYCRLDFL	71 / 7 AA	124
Phosphosite 10:	ADCY4	Q8NFM4	Y813	LARQNEYYCRLDFLW	71 / 7 AA	120
Phosphosite 11:	ADCY2	Q08462	Y827	LGRQNEYYCRLDFLW	71 / 7 AA	124
Phosphosite 12:	PIK3C2B	O00750	Y844	KRLWEKRYYCHSEVS	62 / 8 AA	185
Phosphosite 13:	N4BP2L2	Q92802	Y317	DSQIQNGYYVNNCHV	62 / 8 AA	67
Phosphosite 14:	C6orf52	Q5T4I8	Y18	GIAQQNNYYCYWQSL	62 / 8 AA	17
Phosphosite 15:	KHDRBS1	Q07666	S388	EGYEGYYSQSQGDSE	62 / 8 AA	48
Phosphosite 16:	KHDRBS1	Q07666	Y387	YEGYEGYYSQSQGDS	62 / 8 AA	48
Phosphosite 17:	GNL3	Q9BVP2	Y402	TGASLAYYCHPPTSW	57 / 7 AA	62
Phosphosite 18:	FBXO18	Q8NFZ0	Y997	RKENKGGYLCHSCAE	62 / 8 AA	118
Phosphosite 19:	N4BP2L2	Q92802	Y318	SQIQNGYYVNNCHVN	62 / 8 AA	67
Phosphosite 20:	FAM113B	Q96HM7	S357	SDQFYCHSDVPSSAH	66 / 6 AA	50