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:	S356
P-Site Sequence:	KIESLRSSLQEARSF
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	S356	KIESLRSSLQEARSF	100 / 9 AA	105
Phosphosite 1:	EXTL3	O43909	S355	EKIESLRSSLQEARS	100 / 8 AA	105
Phosphosite 2:	NCOR1	O75376	T1462	GPSVLRSTLHEAPKA	75 / 8 AA	270
Phosphosite 3:	BTN3A2	P78410	S307	REISLRESLQEELKR	77 / 9 AA	36
Phosphosite 4:	HEAT repeat-containing protein 7B1	A6NES4	S1667	DFPALRNSLQELQLD	75 / 8 AA	193
Phosphosite 5:	ANXA9	O76027	S323	FGKSLYSSLQDAVKG	77 / 9 AA	38
Phosphosite 6:	OCA2	Q04671	S104	NTPLLRNSLQEKGSR	85 / 7 AA	93
Phosphosite 7:	MDP1	Q86V88	S167	AQTGPLRSSLEESPF	75 / 8 AA	20
Phosphosite 8:	RAB44	Q7Z6P3	T31	QLSHLRSTHQEAASE	75 / 8 AA	77
Phosphosite 9:	MDP1	Q86V88	S168	QTGPLRSSLEESPFE	66 / 9 AA	20
Phosphosite 10:	PROM1	O43490	S301	VKTSLRSSLNDPLCL	66 / 9 AA	97
Phosphosite 11:	KBTBD4	Q9NVX7	S230	FAESLRTSLKEIGEN	75 / 8 AA	58
Phosphosite 12:	Transmembrane protein ENSP00000382582	A8MUB7	S473	RSLNSLRSSLLEHQG	87 / 8 AA	126
Phosphosite 13:	CCDC157	Q569K6	S471	EREELRGSLDEAEAQ	75 / 8 AA	84
Phosphosite 14:	Transmembrane protein ENSP00000382582	A8MUB7	S474	SLNSLRSSLLEHQGN	87 / 8 AA	126
Phosphosite 15:	ZBTB2	Q8N680	S267	GRRFTLRSSLREHLQ	75 / 8 AA	57
Phosphosite 16:	ZBTB2	Q8N680	S268	RRFTLRSSLREHLQI	75 / 8 AA	57
Phosphosite 17:	DENND4C	Q5VZ89	S1430	STVSLPNSLQEVVDP	66 / 9 AA	187
Phosphosite 18:	TRIP11	Q15643	S1355	ELEELRKSLQEKDAT	85 / 7 AA	228
Phosphosite 19:	C9orf45	Q9H2N8	S96	GSSGSLRSCLQPPGG	85 / 7 AA	18
Phosphosite 20:	HEATR7A	Q8NDA8	S1101	EIVSVLRSKLQEAQG	85 / 7 AA	181