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:	S257
P-Site Sequence:	RQYFLLSSQVGLHPE
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	S257	RQYFLLSSQVGLHPE	100 / 9 AA	82
Phosphosite 1:	EXT2	Q93063	S256	PRQYFLLSSQVGLHP	100 / 8 AA	82
Phosphosite 2:	DDRGK1	Q96HY6	S236	VLLEDLASQVGLRTQ	85 / 7 AA	36
Phosphosite 3:	RASA1	P20936	S693	TDEWFLLSSHIPLKG	71 / 7 AA	116
Phosphosite 4:	FIGN	Q5HY92	S593	DIDMLLSSQVNEEHS	75 / 8 AA	82
Phosphosite 5:	COL5A2	P05997	S206	DEKSGLGSQVGLMPG	85 / 7 AA	145
Phosphosite 6:	LDB1	Q86U70	S331	PASTFALSSQVPDVM	85 / 7 AA	47
Phosphosite 7:	HERC1	Q15751	S289	EKGKLLSSQEGMISF	75 / 8 AA	532
Phosphosite 8:	BDNF	P23560	S98	TSRVMLSSQVPLEPP	75 / 8 AA	28
Phosphosite 9:	C19orf57	Q0VDD7	S539	ELDFLLDSQIQDALD	71 / 7 AA	70
Phosphosite 10:	KIF1B	O60333	S449	SPSSCSLSSQVGLTS	100 / 6 AA	204
Phosphosite 11:	BBS10	Q8TAM1	S674	TNQPLVSSQTGLESV	75 / 8 AA	81
Phosphosite 12:	TRIM21	P19474	S373	KGHFLLSSKSGFWTI	66 / 9 AA	54
Phosphosite 13:	TRIM21	P19474	S372	RKGHFLLSSKSGFWT	75 / 8 AA	54
Phosphosite 14:	ALO17	Q9HCF4	S1215	ATHYHLSSQVQEMAG	71 / 7 AA	175
Phosphosite 15:	APOE	P02649	S72	VQEELLSSQVTQELR	100 / 6 AA	36
Phosphosite 16:	CGN	Q9P2M7	S382	KRQKLEPSQVGLERQ	75 / 8 AA	136
Phosphosite 17:	FAM22A	Q8IVF1	S767	SLAFLLGSQHKLLPW	66 / 9 AA	94
Phosphosite 18:	FAM22D	Q5VT03	S695	SLAFLLGSQHKLLPW	66 / 9 AA	86
Phosphosite 19:	FAM22B	A6NNL0	S767	SLAFLLGSQHKLLPW	66 / 9 AA	94
Phosphosite 20:	TOX4	O94842	S151	IDQSELSSQLGLSLG	85 / 7 AA	66