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:	S453
P-Site Sequence:	AQILVLWSNERPLPS
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	S453	AQILVLWSNERPLPS	100 / 9 AA	75
Phosphosite 1:	MFSD8	Q8NHS3	S98	SPIFGLWSNYRPRKE	66 / 9 AA	58
Phosphosite 2:	MFSD8	Q8NHS3	Y100	IFGLWSNYRPRKEPL	85 / 7 AA	58
Phosphosite 3:	C9orf84	Q5VXU9	S774	LTLTVLHSNERKDFL	85 / 7 AA	165
Phosphosite 4:	SMO	Q99835	S110	HGKLVLWSGLRNAPR	75 / 8 AA	86
Phosphosite 5:	DHH	O43323	S210	NATVRLWSGERKGLR	83 / 6 AA	44
Phosphosite 6:	QSER1	Q2KHR3	S842	FPEAVLLSDERNILS	71 / 7 AA	190
Phosphosite 7:	ZC3H3	Q8IXZ2	S155	EFEETPWSDQRPREG	66 / 6 AA	102
Phosphosite 8:	VARS2	Q5ST30	S832	VKPVLWHSPRPLGPP	62 / 8 AA	118
Phosphosite 9:	TOP3B	O95985	S677	DFELVLWSSGSRGKS	71 / 7 AA	97
Phosphosite 10:	CCDC158	Q5M9N0	S797	GELEVLRSQERRLKE	71 / 7 AA	127
Phosphosite 11:	NT5C2	P49902	S410	YKHLDSSSNERPDIS	66 / 9 AA	65
Phosphosite 12:	CDC25A	P30304	S185	SAPARMLSSNERDSS	71 / 7 AA	59
Phosphosite 13:	CALCOCO1	Q9P1Z2	S409	KEEKCQWSKERAGLL	50 / 8 AA	77
Phosphosite 14:	ZFP161	O43829	S356	KKHERVHSNERPFAC	71 / 7 AA	51
Phosphosite 15:	CDC25A	P30304	S186	APARMLSSNERDSSE	71 / 7 AA	59
Phosphosite 16:	SR140	O15042	S175	KNPPNQSSNERPPSL	71 / 7 AA	118
Phosphosite 17:	FAM198B	Q6UWH4	S29	RVRKLWSSRRPRTRR	71 / 7 AA	58
Phosphosite 18:	FAM198B	Q6UWH4	S28	PRVRKLWSSRRPRTR	71 / 7 AA	58
Phosphosite 19:	RTTN	Q86VV8	S190	TDRHVLSSNESSLRS	62 / 8 AA	249
Phosphosite 20:	PDE4DIP	Q5VU43	S529	RLRDVLSSNEATMQS	83 / 6 AA	130