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:	S184
P-Site Sequence:	QAMVAEASPTVDSFR
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	S184	QAMVAEASPTVDSFR	100 / 9 AA	75
Phosphosite 1:	EXTL1	Q92935	T186	MVAEASPTVDSFRPG	100 / 7 AA	75
Phosphosite 2:	CPSF1	Q10570	S737	EGLGSETSPTVDDEE	75 / 8 AA	161
Phosphosite 3:	CPSF1	Q10570	T739	LGSETSPTVDDEEEM	85 / 7 AA	161
Phosphosite 4:	DOK3	Q7L591	S407	NLCVLEASPTLHGGE	66 / 9 AA	53
Phosphosite 5:	MLK1	P80192	T535	FTVQASPTMDKRKSL	71 / 7 AA	122
Phosphosite 6:	C17orf28	Q8IV36	S301	HDSASSASPTVDGTT	100 / 6 AA	89
Phosphosite 7:	TBC1D25	Q3MII6	T574	STQEASPTGDMAVGS	85 / 7 AA	76
Phosphosite 8:	C17orf28	Q8IV36	T303	SASSASPTVDGTTTG	100 / 6 AA	89
Phosphosite 9:	PXN	P49023	S130	KQKSAEPSPTVMSTS	85 / 7 AA	65
Phosphosite 10:	ZC3H12A	Q5D1E8	S14	EKPVLEASPTMSLWE	75 / 8 AA	66
Phosphosite 11:	TBC1D25	Q3MII6	S572	PPSTQEASPTGDMAV	85 / 7 AA	76
Phosphosite 12:	SRRM2	Q9UQ35	T400	PPSEASPTRDRSPPK	85 / 7 AA	300
Phosphosite 13:	HIVEP1	P15822	S1333	DVSKTEASPKIDFLN	62 / 8 AA	297
Phosphosite 14:	GALNTL4	Q6P9A2	S520	QIHVGILSPTVDDDD	66 / 9 AA	70
Phosphosite 15:	LIPG	Q9Y5X9	S494	WRMKNETSPTVELP_	71 / 7 AA	57
Phosphosite 16:	SRRM2	Q9UQ35	S398	VNPPSEASPTRDRSP	75 / 8 AA	300
Phosphosite 17:	MLK1	P80192	S533	HKFTVQASPTMDKRK	71 / 7 AA	122
Phosphosite 18:	LIPG	Q9Y5X9	T496	MKNETSPTVELP___	71 / 7 AA	57
Phosphosite 19:	KRT31	Q15323	T218	VEVDAAPTVDLNRVL	71 / 7 AA	47
Phosphosite 20:	SS18L2	Q9UHA2	S68	LATIADASPTSTSKA	71 / 7 AA	9