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:	EXTL1
Human P-Site:	Y670
P-Site Sequence:	VSVQRKKYRSLEKP_
UniProt:	Q92935
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	EXTL1	Q92935	Y670	VSVQRKKYRSLEKP_	100 / 9 AA	75
Phosphosite 1:	CDR2	Q01850	Y447	IDEQRTKYRSLSSHS	87 / 8 AA	52
Phosphosite 2:	EXTL1	Q92935	S672	VQRKKYRSLEKP___	100 / 7 AA	75
Phosphosite 3:	USP33	Q8TEY7	Y471	RKKQHKKYRSVISDI	75 / 8 AA	107
Phosphosite 4:	EXT1	Q16394	Y740	VSILRKKYRDIERL_	75 / 8 AA	86
Phosphosite 5:	RASGEF1B	Q0VAM2	T252	CYSERKKTRNLEAYV	66 / 9 AA	55
Phosphosite 6:	ODZ4	Q6N022	Y9	DVKERKPYRSLTRRR	75 / 8 AA	308
Phosphosite 7:	METTL9	Q9H1A3	Y188	WQLQKKKYRVLGINE	66 / 9 AA	37
Phosphosite 8:	CDR2	Q01850	T445	QEIDEQRTKYRSLSS	85 / 7 AA	52
Phosphosite 9:	TSPAN15	O95858	Y52	AEVERQKYKTLESAF	55 / 9 AA	33
Phosphosite 10:	SRPK1	Q96SB4	Y517	EDIQTRQYRSLEVLI	66 / 9 AA	74
Phosphosite 11:	CD27	P26842	Y217	FLHQRRKYRSNKGES	85 / 7 AA	29
Phosphosite 12:	C17orf97	Q6ZQX7	Y197	KLNRRKRYRCLALKG	55 / 9 AA	50
Phosphosite 13:	NANOG	Q9H9S0	Y119	DRFQRQKYLSLQQMQ	66 / 9 AA	35
Phosphosite 14:	NANOGP1	Q8N7R0	Y62	DRFQRQKYLSLQQMQ	66 / 9 AA	27
Phosphosite 15:	NANOGP8	Q6NSW7	Y119	DRFQRQKYLSLQQMQ	66 / 9 AA	35
Phosphosite 16:	RRP12	Q5JTH9	Y792	HGVQKKAYRVLEEVC	66 / 9 AA	144
Phosphosite 17:	C10orf140	Q1XH10	Y700	GARVRKNYRTLVLGK	71 / 7 AA	90
Phosphosite 18:	SCN7A	Q01118	Y1218	TVKQRKQYRRLKKLM	75 / 8 AA	193
Phosphosite 19:	ATP8B3	O60423	Y133	LCWQRKKYKTNVIRT	71 / 7 AA	148
Phosphosite 20:	C11orf63	Q6NUN7	Y538	QPYTETKYRNLEMLW	83 / 6 AA	89