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:	T271
P-Site Sequence:	QETLPNATFCLISGH
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	T271	QETLPNATFCLISGH	100 / 9 AA	75
Phosphosite 1:	EXT1	Q16394	T332	REMLHNATFCLVPRG	77 / 9 AA	86
Phosphosite 2:	SFRS8	Q12872	T377	YYMLPDGTYCLAPPP	62 / 8 AA	105
Phosphosite 3:	ADAMTS12	P58397	T487	LQYGPNATFCQEVEN	85 / 7 AA	178
Phosphosite 4:	THEM5	Q8N1Q8	S61	DYALPNASWCSDMLS	71 / 7 AA	28
Phosphosite 5:	FBN3	Q75N90	T802	SRLDPSGTFCLDSTK	71 / 7 AA	300
Phosphosite 6:	IGSF1	Q8N6C5	T1095	QGELPDSTFVLLKEG	55 / 9 AA	149
Phosphosite 7:	IGSF1	Q8N6C5	S1094	CQGELPDSTFVLLKE	62 / 8 AA	149
Phosphosite 8:	CTNND2	Q9UQB3	T716	SQVLRNATGCLRNVS	75 / 8 AA	133
Phosphosite 9:	C2orf78	A6NCI8	T302	GLQSPSQTFCLPQTP	71 / 7 AA	97
Phosphosite 10:	CLCA1	A8K7I4	T296	TTQPPNPTFSLLQIG	62 / 8 AA	100
Phosphosite 11:	C17orf42	Q96QE5	T48	KKITPNVTFCDENAK	83 / 6 AA	42
Phosphosite 12:	Ig mu heavy chain disease protein	P04220	T219	SESHPNATFSAVGEA	62 / 8 AA	43
Phosphosite 13:	IGHM	P01871	T281	SESHPNATFSAVGEA	62 / 8 AA	49
Phosphosite 14:	EEF1G	P26641	S286	PFAHLPKSTFVLDEF	62 / 8 AA	50
Phosphosite 15:	GAL3ST2	Q9H3Q3	T134	QKVMPNDTFYFSILR	50 / 8 AA	46
Phosphosite 16:	KNDC1	Q76NI1	T319	LSDSPEATLCLPLTR	71 / 7 AA	191
Phosphosite 17:	EIF3D	O15371	T526	VYSLPDGTFSSDEDE	57 / 7 AA	64
Phosphosite 18:	Dicer1	Q9UPY3	T662	TRELPDGTFYSTLYL	57 / 7 AA	219
Phosphosite 19:	C9orf38	Q9UI66	T10	SKTAENATFYYISSL	71 / 7 AA	13
Phosphosite 20:	LRRTM1	Q86UE6	T131	QITQLPNTTFRPMPN	71 / 7 AA	59