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:	S549
P-Site Sequence:	AERTNEFSMVLTTAA
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	S549	AERTNEFSMVLTTAA	100 / 9 AA	75
Phosphosite 1:	EXT1	Q16394	S617	SKWTNDYSMVLTGAA	77 / 9 AA	86
Phosphosite 2:	EXT1	Q16394	Y616	TSKWTNDYSMVLTGA	75 / 8 AA	86
Phosphosite 3:	LGP2	Q96C10	S464	GLLTNEISMVQARGR	66 / 9 AA	77
Phosphosite 4:	CTDSPL2	Q05D32	S289	TRSTPEFSLVLDLDE	75 / 8 AA	53
Phosphosite 5:	BET3L	Q5T215	S104	NSSKNEFSLILEKNP	62 / 8 AA	21
Phosphosite 6:	EXTL2	Q9UBQ6	S209	SGNGDQYSMVLIGAS	50 / 8 AA	37
Phosphosite 7:	EXTL2	Q9UBQ6	Y208	GSGNGDQYSMVLIGA	57 / 7 AA	37
Phosphosite 8:	VPS13C	Q709C8	Y3252	VITRFNEYSKVLQFK	71 / 7 AA	422
Phosphosite 9:	PIP5KL1	Q5T9C9	S85	PPSRDDFSEVLTQVH	62 / 8 AA	45
Phosphosite 10:	GPR98	Q8WXG9	S3541	NSERNQFSFVLEVPS	71 / 7 AA	693
Phosphosite 11:	SNX6	Q9UNH7	S65	NFKQNEFSVVRQHEE	83 / 6 AA	47
Phosphosite 12:	HSPH1	Q92598	S429	RNHAAPFSKVLTFLR	83 / 6 AA	97
Phosphosite 13:	HSPA4	P34932	S429	KNHAAPFSKVLTFYR	83 / 6 AA	94
Phosphosite 14:	ABCA8	O94911	S57	SHQVNDFSSLLTMDL	62 / 8 AA	179
Phosphosite 15:	C10orf76	Q5T2E6	S567	QSFDNLYSMVLRLST	71 / 7 AA	79
Phosphosite 16:	AML2	Q13761	S344	SSGSYQFSMVAGSSS	57 / 7 AA	44
Phosphosite 17:	AML1	Q01196	S390	SAGSYQFSMVGGERS	57 / 7 AA	49
Phosphosite 18:	ABCA8	O94911	S58	HQVNDFSSLLTMDLG	62 / 8 AA	179
Phosphosite 19:	PFN1	P07737	S85	LLQDGEFSMDLRTKS	71 / 7 AA	15
Phosphosite 20:	NR1D2	Q14995	S408	IWEEFSMSFTPAVKE	71 / 7 AA	65