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:	S399
P-Site Sequence:	GSVYSAHSTNSLNNP
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	S399	GSVYSAHSTNSLNNP	100 / 9 AA	133
Phosphosite 1:	PTPN21	Q16825	T400	SVYSAHSTNSLNNPQ	100 / 8 AA	133
Phosphosite 2:	SUPT7L	O94864	S392	DSSYGSHSTDSLMGS	66 / 9 AA	46
Phosphosite 3:	HPS1	Q92902	S225	LAFYSSHSASSLRPA	66 / 9 AA	79
Phosphosite 4:	PTPN21	Q16825	S396	IRNGSVYSAHSTNSL	100 / 6 AA	133
Phosphosite 5:	VPS45	Q9NRW7	S399	ALHYERHSSNSLPGL	66 / 9 AA	65
Phosphosite 6:	PTPN21	Q16825	S402	YSAHSTNSLNNPQPY	100 / 6 AA	133
Phosphosite 7:	MYCBP2	O75592	S1212	GWGYSAHSVEAIRFS	55 / 9 AA	510
Phosphosite 8:	HEY2	Q9UBP5	S30	ENNYSGQSTSSVIRL	55 / 9 AA	36
Phosphosite 9:	RABEP1	Q15276	S407	DGLRRAQSTDSLGTS	71 / 7 AA	99
Phosphosite 10:	BACH1	O14867	T18	YESSVHSTNVLLSLN	75 / 8 AA	82
Phosphosite 11:	RABEP1	Q15276	T408	GLRRAQSTDSLGTSG	71 / 7 AA	99
Phosphosite 12:	DHX15	O43143	S85	KASHSAHSTHSAHST	75 / 8 AA	91
Phosphosite 13:	Tiam2	Q8IVF5	T93	SRGVAYSTHRTNAPG	71 / 7 AA	193
Phosphosite 14:	RAB11FIP4	Q86YS3	T206	SDLSTHSTTSLISNE	75 / 8 AA	72
Phosphosite 15:	GPR112	Q8IZF6	S1842	SFVYSPHSTEAEIST	62 / 8 AA	301
Phosphosite 16:	AKAP13	Q12802	S1929	TWKFLSHSTDSLNKI	55 / 9 AA	308
Phosphosite 17:	DHX15	O43143	S91	HSTHSAHSTHSTHSA	75 / 8 AA	91
Phosphosite 18:	RAB11FIP4	Q86YS3	S205	TSDLSTHSTTSLISN	75 / 8 AA	72
Phosphosite 19:	BRCA2	P51587	S1221	VGFRGFYSAHGTKLN	83 / 6 AA	384
Phosphosite 20:	SUPT7L	O94864	T393	SSYGSHSTDSLMGSS	62 / 8 AA	46