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:	S256
P-Site Sequence:	PRQYFLLSSQVGLHP
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	S256	PRQYFLLSSQVGLHP	100 / 9 AA	82
Phosphosite 1:	EXT2	Q93063	S257	RQYFLLSSQVGLHPE	100 / 8 AA	82
Phosphosite 2:	TCF25	Q9BQ70	S430	PLAYFLLSQQTDLPE	66 / 9 AA	77
Phosphosite 3:	RASA1	P20936	S693	TDEWFLLSSHIPLKG	62 / 8 AA	116
Phosphosite 4:	WDR44	Q5JSH3	S623	SKNYFLLSSSMDKTV	66 / 9 AA	101
Phosphosite 5:	FIGN	Q5HY92	S593	DIDMLLSSQVNEEHS	75 / 8 AA	82
Phosphosite 6:	TRIM21	P19474	S372	RKGHFLLSSKSGFWT	66 / 9 AA	54
Phosphosite 7:	TMEM72	A0PK05	S131	GLAYFLLSKRKKRKA	71 / 7 AA	30
Phosphosite 8:	LDB1	Q86U70	S331	PASTFALSSQVPDVM	85 / 7 AA	47
Phosphosite 9:	C19orf57	Q0VDD7	S539	ELDFLLDSQIQDALD	71 / 7 AA	70
Phosphosite 10:	PPP2R2B	Q00005	S109	NAAYFLLSTNDKTVK	83 / 6 AA	52
Phosphosite 11:	KIF1B	O60333	S449	SPSSCSLSSQVGLTS	100 / 6 AA	204
Phosphosite 12:	APOE	P02649	S72	VQEELLSSQVTQELR	100 / 6 AA	36
Phosphosite 13:	PPP2R2B	Q00005	Y105	LPQQNAAYFLLSTND	100 / 5 AA	52
Phosphosite 14:	TRIM21	P19474	S373	KGHFLLSSKSGFWTI	75 / 8 AA	54
Phosphosite 15:	OR2M4	Q96R27	Y60	KQLHTPMYFLLSQLS	100 / 5 AA	35
Phosphosite 16:	EXT2	Q93063	Y252	KGPGPRQYFLLSSQV	100 / 5 AA	82
Phosphosite 17:	OR2T27	Q8NH04	Y60	SRLHTPMYFLLSQLS	100 / 5 AA	36
Phosphosite 18:	OR2T11	Q8NH01	Y57	SRLHTPMYFLLSQLS	100 / 5 AA	35
Phosphosite 19:	OR2T35	Q8NGX2	Y61	SRLHTPMYFLLSQLS	100 / 5 AA	36
Phosphosite 20:	OR2Z1	Q8NG97	Y60	SRLHTPMYFLLSQLS	100 / 5 AA	34