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:	S219
P-Site Sequence:	PGQLRQHSPQPGVAL
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	S219	PGQLRQHSPQPGVAL	100 / 9 AA	75
Phosphosite 1:	C9orf144B	Q6ZU69	S1303	DDKLRLHSRQPGSAS	77 / 9 AA	148
Phosphosite 2:	NLGN3	Q9NZ94	S745	QEPLRQPSPQRGAGA	77 / 9 AA	94
Phosphosite 3:	LTBP1	Q14766	S446	VPKLYQHSQQPGKAL	77 / 9 AA	173
Phosphosite 4:	DENND5B	Q6ZUT9	S691	KERLRQHSEHVGLDN	66 / 9 AA	145
Phosphosite 5:	AMOTL2	Q9Y2J4	S602	DTTLIRHSPQPSPSS	66 / 9 AA	86
Phosphosite 6:	PRSSL1	Q6UWY2	S266	WDVVRRSSPQPGPLP	66 / 9 AA	30
Phosphosite 7:	BMP2	P12643	S87	LDLYRRHSGQPGSPA	66 / 9 AA	45
Phosphosite 8:	SYNM	O15061	S1044	ESLSRQRSPAPGSPD	75 / 8 AA	173
Phosphosite 9:	NFX1	Q12986	S150	GTDLREHSPSESEKE	83 / 6 AA	124
Phosphosite 10:	BIRC6	Q9NR09	S2750	PHGTNQHSPQVGPTA	85 / 7 AA	528
Phosphosite 11:	CANP	Q6SJ93	S566	PGLWRQISPQPSTGL	66 / 9 AA	85
Phosphosite 12:	MAST1	Q9Y2H9	S51	PTLPRPHSPLPGHLG	75 / 8 AA	171
Phosphosite 13:	GYG2	O15488	S399	CDPLSQPSPQPADFT	66 / 9 AA	55
Phosphosite 14:	WIF1	Q9Y5W5	T360	GAQLRQHTPSLKKAE	83 / 6 AA	42
Phosphosite 15:	FAM161B	Q96MY7	S426	TTGRRQDSPQPPATP	85 / 7 AA	74
Phosphosite 16:	CMYA5	Q8N3K9	S3845	LEYCRQHSPEGEGLR	83 / 6 AA	449
Phosphosite 17:	GRID2IP	A4D2P6	S640	LDSSRAPSPQPGPGP	75 / 8 AA	132
Phosphosite 18:	CDKL5	O76039	S646	ANSLQLLSPQPGEQL	66 / 9 AA	116
Phosphosite 19:	PMS2L3	Q13401	S179	GEFPCQHSPEPAKAI	71 / 7 AA	29
Phosphosite 20:	CPEB	Q9BZB8	S554	MEGLRHHSPLMRNQK	83 / 6 AA	63