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:	S420
P-Site Sequence:	SPMSSNPSITGSDVM
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	S420	SPMSSNPSITGSDVM	100 / 9 AA	133
Phosphosite 1:	polycystin 1	P98161	S3428	PDLLSDPSIVGSNLR	75 / 8 AA	463
Phosphosite 2:	CASC5	Q8NG31	S447	ESIYSNPSIQGCKTV	75 / 8 AA	265
Phosphosite 3:	MUC19	Q7Z5P9	S2533	GLEKTGPSITGSGTT	75 / 8 AA	598
Phosphosite 4:	TREML4	Q6UXN2	S162	EGTSGHPSINGSETR	66 / 9 AA	22
Phosphosite 5:	ONECUT1	Q9UBC0	S274	TAREPNPSVTGAQVS	62 / 8 AA	51
Phosphosite 6:	POU3F4	P49335	S123	ASPAPNPSITSSGQP	85 / 7 AA	39
Phosphosite 7:	POU3F4	P49335	T125	PAPNPSITSSGQPLN	85 / 7 AA	39
Phosphosite 8:	SFRS14	Q8IX01	S96	SFRSSNPSISDDSYF	75 / 8 AA	120
Phosphosite 9:	LRRC37B	Q96QE4	S943	EKYKDNPSISGA___	71 / 7 AA	106
Phosphosite 10:	EXD3	Q8N9H8	S457	AQLLSDPSITKLGYG	83 / 6 AA	97
Phosphosite 11:	SFRS14	Q8IX01	S93	PGPSFRSSNPSISDD	100 / 6 AA	120
Phosphosite 12:	PTPN21	Q16825	S417	LQPSPMSSNPSITGS	100 / 6 AA	133
Phosphosite 13:	PTPN14	Q15678	S414	SPVSSNLSIPGSDIM	77 / 9 AA	135
Phosphosite 14:	PARP12	Q9H0J9	S684	YTTSSKPSVTPSILL	66 / 9 AA	79
Phosphosite 15:	EIF4ENIF1	Q9NRA8	S345	SRWFSNPSRSGSRSS	75 / 8 AA	108
Phosphosite 16:	PPP1R15B	Q5SWA1	S135	QLDSSDPSVTSPLDW	71 / 7 AA	79
Phosphosite 17:	AL7A	Q9Y615	S237	YEGYPLPSITGRLDY	83 / 6 AA	49
Phosphosite 18:	COL4A6	Q14031	S1192	THGTPGPSITGVPGP	62 / 8 AA	164
Phosphosite 19:	FAM83B	Q5T0W9	T567	TTGSSNSTIIGSQGS	66 / 9 AA	115
Phosphosite 20:	CHIA	Q9BZP6	S277	NFILSNPSNTGIGAP	85 / 7 AA	52