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:	S479
P-Site Sequence:	LRNLNIGSSYAYSRP
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	S479	LRNLNIGSSYAYSRP	100 / 9 AA	133
Phosphosite 1:	PTPN21	Q16825	S480	RNLNIGSSYAYSRPA	100 / 8 AA	133
Phosphosite 2:	KCTD17	Q8N5Z5	S175	EQLVNIGSSYNYGSE	77 / 9 AA	36
Phosphosite 3:	KCTD17	Q8N5Z5	S176	QLVNIGSSYNYGSED	87 / 8 AA	36
Phosphosite 4:	KCTD5	Q9NXV2	S189	EQLVSIGSSYNYGNE	66 / 9 AA	26
Phosphosite 5:	KCTD2	Q14681	S218	EQLISIGSSYNYGNE	66 / 9 AA	29
Phosphosite 6:	PAPPA	Q13219	S917	DMDLNLGSVYQYWVI	66 / 9 AA	181
Phosphosite 7:	Tbr1	Q16650	S22	KKFLNVSSSYPHSGG	55 / 9 AA	74
Phosphosite 8:	KCTD5	Q9NXV2	Y191	LVSIGSSYNYGNEDQ	85 / 7 AA	26
Phosphosite 9:	KCTD5	Q9NXV2	S190	QLVSIGSSYNYGNED	75 / 8 AA	26
Phosphosite 10:	KCTD2	Q14681	S219	QLISIGSSYNYGNED	75 / 8 AA	29
Phosphosite 11:	KCTD17	Q8N5Z5	Y177	LVNIGSSYNYGSEDQ	85 / 7 AA	36
Phosphosite 12:	Tbr1	Q16650	S21	SKKFLNVSSSYPHSG	62 / 8 AA	74
Phosphosite 13:	DSCR1	P53805	S148	AQTLHIGSSHLAPPN	71 / 7 AA	28
Phosphosite 14:	SETD1B	Q9UPS6	Y1839	DEGIGSSYMFRVDHD	71 / 7 AA	209
Phosphosite 15:	C1orf129	Q5TGP6	S88	KVKEMGSSYEYIEDM	62 / 8 AA	65
Phosphosite 16:	SETD1B	Q9UPS6	S1838	EDEGIGSSYMFRVDH	71 / 7 AA	209
Phosphosite 17:	SETD1B	Q9UPS6	S1837	YEDEGIGSSYMFRVD	71 / 7 AA	209
Phosphosite 18:	C1orf129	Q5TGP6	Y89	VKEMGSSYEYIEDME	71 / 7 AA	65
Phosphosite 19:	FAM3D	Q96BQ1	S167	KLFSDLGSSYAKQLG	71 / 7 AA	25
Phosphosite 20:	NGLY1	Q96IV0	S547	LARKEGSSFAYISWK	83 / 6 AA	74