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:	EXT2
Human P-Site:	S520
P-Site Sequence:	RTAENKLSNRFFPYD
UniProt:	Q93063
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	EXT2	Q93063	S520	RTAENKLSNRFFPYD	100 / 9 AA	82
Phosphosite 1:	eIF3S6IP	Q9Y262	T103	ENSWTKLTERFFKNT	62 / 8 AA	67
Phosphosite 2:	PARP1	P09874	S733	DSQILDLSNRFYTLI	83 / 6 AA	113
Phosphosite 3:	ZFHX4	Q86UP3	S1069	APEEDNLSEIFFVKD	55 / 9 AA	394
Phosphosite 4:	ATP12A	P54707	S62	HLDDHKLSNRELEEK	71 / 7 AA	116
Phosphosite 5:	PHYHIPL	Q96FC7	S95	NKKENKNSNKFKHKD	75 / 8 AA	42
Phosphosite 6:	PHYHIP	Q92561	S49	NKKENKNSNKFKHRD	75 / 8 AA	38
Phosphosite 7:	PRCC	Q92733	S481	TWSENKLSRRQTQAK	85 / 7 AA	52
Phosphosite 8:	U2AF1L4	Q8WU68	S131	ERAVAELSNRWFNGQ	83 / 6 AA	26
Phosphosite 9:	NRK	Q7Z2Y5	S671	TLMENLSSNRFYSQP	66 / 9 AA	178
Phosphosite 10:	MATN3	O15232	S256	GVIEKLSSRFQETFC	71 / 7 AA	53
Phosphosite 11:	MATN3	O15232	S255	YGVIEKLSSRFQETF	71 / 7 AA	53
Phosphosite 12:	TRIP11	Q15643	T1145	DENKKLSTRFESSGQ	71 / 7 AA	228
Phosphosite 13:	SMG1	Q96Q15	S1361	SALENTVSNRLSTED	62 / 8 AA	410
Phosphosite 14:	BCL9L	Q86UU0	T45	MHPENKLTNHGKTGN	71 / 7 AA	157
Phosphosite 15:	CCDC88B	A6NC98	S1398	GQRRKLSSRFPVGRS	83 / 6 AA	165
Phosphosite 16:	Ubiquitin-conjugating enzyme E2Q-like protein 1	A1L167	S11	LQDIARLSDRFISVE	57 / 7 AA	18
Phosphosite 17:	BANP	Q8N9N5	S139	AKMEDPLSNRAPDSL	71 / 7 AA	56
Phosphosite 18:	TRIP11	Q15643	S1144	QDENKKLSTRFESSG	71 / 7 AA	228
Phosphosite 19:	CDCA8	Q53HL2	S266	LGNIKKLSNRLAQIC	71 / 7 AA	31
Phosphosite 20:	GIT1	Q9Y2X7	S272	KKKLQALSNRLFEEL	83 / 6 AA	84