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:	S35
P-Site Sequence:	FRASRSHSRREEHSG
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	S35	FRASRSHSRREEHSG	100 / 9 AA	86
Phosphosite 1:	ZNF469	Q96JG9	S2755	EDSSRAHSRSEEGVW	77 / 9 AA	259
Phosphosite 2:	UCK2	Q9BZX2	S118	VYDFVSHSRKEETVT	85 / 7 AA	29
Phosphosite 3:	SSH2	Q76I76	S674	RSRSFSHSRMEELGG	77 / 9 AA	158
Phosphosite 4:	EXT1	Q16394	S33	LQFRASRSHSRREEH	100 / 7 AA	86
Phosphosite 5:	SRRM2	Q9UQ35	S1777	LQRSRSRSRREKTRT	87 / 8 AA	300
Phosphosite 6:	SETD2	Q9BYW2	S407	RRRSRSHSRSERGSR	87 / 8 AA	288
Phosphosite 7:	RBMY1F	Q15415	S283	AYRDYGHSRRDESYS	71 / 7 AA	56
Phosphosite 8:	RBMY1A1	Q15414	S283	AYRDYGHSRRDESYS	71 / 7 AA	56
Phosphosite 9:	RBMY1H	Q15378	S143	AYRDYGHSRRDESYS	71 / 7 AA	41
Phosphosite 10:	RBMY1D	P0C7P1	S283	AYRDYGHSRRDESYS	71 / 7 AA	56
Phosphosite 11:	RBMY1E	A6NEQ0	S283	AYRDYGHSRRDESYS	71 / 7 AA	56
Phosphosite 12:	RBMY1B	A6NDE4	S283	AYRDYGHSRRDESYS	71 / 7 AA	56
Phosphosite 13:	USP31	Q70CQ4	S930	QEPSDSHSRREHKAV	100 / 6 AA	147
Phosphosite 14:	Cdc2L2	Q9UQ88	S149	REMAREHSRRERDRL	75 / 8 AA	91
Phosphosite 15:	CDK11B	P21127	S161	REMAREHSRRERDRL	75 / 8 AA	93
Phosphosite 16:	CNGA3	Q16281	S37	NGLSRAHSSSEETSS	66 / 9 AA	79
Phosphosite 17:	SFRS12	Q8WXA9	S206	KSRSSSKSHSRRKRS	85 / 7 AA	59
Phosphosite 18:	BCLAF1	Q9NYF8	S29	RSRSRSHSRKKRYSS	75 / 8 AA	106
Phosphosite 19:	SFRS12	Q8WXA9	S208	RSSSKSHSRRKRSQS	75 / 8 AA	59
Phosphosite 20:	Pim1	P11309	S49	FRASRSHSRNATRSH	100 / 6 AA	45