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:	EXT1
Human P-Site:	Y634
P-Site Sequence:	HKYYHYLYSHYLPAS
UniProt:	Q16394
Intern. Prot. ID:	IPI00293128

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	EXT1	Q16394	Y634	HKYYHYLYSHYLPAS	100 / 9 AA	86
Phosphosite 1:	EXT1	Q16394	Y632	IYHKYYHYLYSHYLP	100 / 7 AA	86
Phosphosite 2:	EXT1	Q16394	Y637	YHYLYSHYLPASLKN	100 / 6 AA	86
Phosphosite 3:	LBR	Q14739	Y321	FQGVEFHYVYSHFLQ	71 / 7 AA	71
Phosphosite 4:	Cdc23	Q9UJX2	Y120	KAYFLYMYSRYLSGE	55 / 9 AA	69
Phosphosite 5:	liprin alpha 4	O75335	Y692	EAHSHYLYGHMLSAF	75 / 8 AA	78
Phosphosite 6:	Cdc23	Q9UJX2	S121	AYFLYMYSRYLSGEK	71 / 7 AA	69
Phosphosite 7:	FAM108A1	Q96GS6	S291	HNDIELYSQYLERLR	83 / 6 AA	34
Phosphosite 8:	FAM108A1	Q96GS6	Y290	GHNDIELYSQYLERL	83 / 6 AA	34
Phosphosite 9:	ZAP70	P43403	Y211	YGKTVYHYLISQDKA	71 / 7 AA	70
Phosphosite 10:	FAM108A1	Q96GS6	Y293	DIELYSQYLERLRRF	83 / 6 AA	34
Phosphosite 11:	CNGA4	Q8IV77	Y220	RLRRQYLYSFYFSTL	62 / 8 AA	66
Phosphosite 12:	RFX6	Q8HWS3	Y149	RCILYAHYLDFCRKE	83 / 6 AA	102
Phosphosite 13:	liprin alpha 4	O75335	Y690	MPEAHSHYLYGHMLS	83 / 6 AA	78
Phosphosite 14:	RFX3	P48380	Y205	SLPRSTLYNHYLRHC	83 / 6 AA	84
Phosphosite 15:	ZNF536	O15090	S428	EAHANLYSRYLSCLQ	83 / 6 AA	141
Phosphosite 16:	RFX2	P48378	Y221	SLPRSSLYNHYLRHC	83 / 6 AA	80
Phosphosite 17:	RPN1	P04843	S164	EGNHYFYSPYPTKTQ	71 / 7 AA	69
Phosphosite 18:	ZNF644	Q9H582	Y738	NAKANSHYLYRHKYE	83 / 6 AA	150
Phosphosite 19:	RFX3	P48380	Y208	RSTLYNHYLRHCQEH	83 / 6 AA	84
Phosphosite 20:	RFX2	P48378	Y224	RSSLYNHYLRHCQEH	83 / 6 AA	80