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:	EXTL3
Human P-Site:	Y261
P-Site Sequence:	AELEKQLYSLPHWRT
UniProt:	O43909
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	EXTL3	O43909	Y261	AELEKQLYSLPHWRT	100 / 9 AA	105
Phosphosite 1:	KIAA0391	O15091	Y79	EGSNKQVYSVPHFFL	66 / 9 AA	65
Phosphosite 2:	KIAA0391	O15091	S80	GSNKQVYSVPHFFLA	75 / 8 AA	65
Phosphosite 3:	HCN4	Q9Y3Q4	Y13	PSMRKRLYSLPQQVG	75 / 8 AA	129
Phosphosite 4:	endofin	Q7Z3T8	S654	ARPKQLFSLPSRTRS	85 / 7 AA	169
Phosphosite 5:	HCN4	Q9Y3Q4	S14	SMRKRLYSLPQQVGA	75 / 8 AA	129
Phosphosite 6:	NUPR1	O60356	Y30	SLDESDLYSLAHSYL	66 / 9 AA	9
Phosphosite 7:	POU4F2	Q12837	S13	LNSKQAFSMPHGGSL	62 / 8 AA	43
Phosphosite 8:	DDB2	Q92466	Y283	RGKASFLYSLPHRHP	100 / 6 AA	48
Phosphosite 9:	DDB2	Q92466	S284	GKASFLYSLPHRHPV	100 / 6 AA	48
Phosphosite 10:	FAM69A	Q5T7M9	Y391	EELEKQLYSCIALKV	100 / 6 AA	49
Phosphosite 11:	SERINC2	Q96SA4	Y66	PGVESQLYKLPWVCE	66 / 9 AA	51
Phosphosite 12:	Nna1	Q9UPW5	Y357	TGPVAQLYSLPPEVD	100 / 6 AA	138
Phosphosite 13:	Nna1	Q9UPW5	S358	GPVAQLYSLPPEVDD	100 / 6 AA	138
Phosphosite 14:	WDR75	Q8IWA0	Y370	LQSDKQLYNLDIIQQ	71 / 7 AA	94
Phosphosite 15:	KIAA0100	Q14667	Y1836	RQLEKQMYSIMKSLQ	71 / 7 AA	254
Phosphosite 16:	ABCA10	Q8WWZ4	Y659	ESEEKLVYSLPLEKT	75 / 8 AA	175
Phosphosite 17:	NEB	P20929	T4752	EKFKALYTLPRSVDD	62 / 8 AA	773
Phosphosite 18:	VCPIP1	Q96JH7	Y894	EQAEKEMYSLCLLAT	71 / 7 AA	134
Phosphosite 19:	NEB	P20929	Y4751	YEKFKALYTLPRSVD	62 / 8 AA	773
Phosphosite 20:	EPC2	Q52LR7	Y296	SRSEKELYATPATLH	62 / 8 AA	91