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:	S355
P-Site Sequence:	EKIESLRSSLQEARS
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	S355	EKIESLRSSLQEARS	100 / 9 AA	105
Phosphosite 1:	EXTL3	O43909	S356	KIESLRSSLQEARSF	100 / 8 AA	105
Phosphosite 2:	CKAP4	Q07065	S312	WDMEALRSTLQTMES	75 / 8 AA	66
Phosphosite 3:	AKAP9	Q99996	S1360	QELESLISSLQQQLK	77 / 9 AA	454
Phosphosite 4:	CYTSA	Q69YQ0	S624	EKAETLASSLQEDLA	77 / 9 AA	125
Phosphosite 5:	HEAT repeat-containing protein 7B1	A6NES4	S1667	DFPALRNSLQELQLD	75 / 8 AA	193
Phosphosite 6:	ACSL5	Q9ULC5	S580	VHGESLRSSLVGVVV	100 / 7 AA	76
Phosphosite 7:	BTN3A2	P78410	S307	REISLRESLQEELKR	87 / 8 AA	36
Phosphosite 8:	SASH1	O94885	S513	GSVESLRSSLSGQSS	100 / 7 AA	137
Phosphosite 9:	OCA2	Q04671	S104	NTPLLRNSLQEKGSR	85 / 7 AA	93
Phosphosite 10:	Transmembrane protein ENSP00000382582	A8MUB7	S473	RSLNSLRSSLLEHQG	77 / 9 AA	126
Phosphosite 11:	KBTBD4	Q9NVX7	S230	FAESLRTSLKEIGEN	75 / 8 AA	58
Phosphosite 12:	DMD	P11532	S987	GELQALQSSLQEQQS	66 / 9 AA	427
Phosphosite 13:	C9orf45	Q9H2N8	S96	GSSGSLRSCLQPPGG	75 / 8 AA	18
Phosphosite 14:	Transmembrane protein ENSP00000382582	A8MUB7	S474	SLNSLRSSLLEHQGN	87 / 8 AA	126
Phosphosite 15:	MDP1	Q86V88	S167	AQTGPLRSSLEESPF	75 / 8 AA	20
Phosphosite 16:	ZBTB2	Q8N680	S268	RRFTLRSSLREHLQI	75 / 8 AA	57
Phosphosite 17:	ZBTB2	Q8N680	S267	GRRFTLRSSLREHLQ	75 / 8 AA	57
Phosphosite 18:	MDP1	Q86V88	S168	QTGPLRSSLEESPFE	75 / 8 AA	20
Phosphosite 19:	PROM1	O43490	S301	VKTSLRSSLNDPLCL	75 / 8 AA	97
Phosphosite 20:	TRIP11	Q15643	S1355	ELEELRKSLQEKDAT	85 / 7 AA	228