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:	T553
P-Site Sequence:	NEFSMVLTTAAFYHR
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	T553	NEFSMVLTTAAFYHR	100 / 9 AA	75
Phosphosite 1:	EXT1	Q16394	T621	NDYSMVLTGAAIYHK	77 / 9 AA	86
Phosphosite 2:	TTN	Q8WZ42	S12827	KHSMVIKSAAFEDEA	62 / 8 AA	3816
Phosphosite 3:	mGluR5	P41594	S1081	ELNSMMLSTAAPSPG	75 / 8 AA	132
Phosphosite 4:	EML2	O95834	T635	WDDSMALTTGGKDTS	62 / 8 AA	71
Phosphosite 5:	C21orf33	P30042	T239	QKNKVVTTPAFMCET	62 / 8 AA	28
Phosphosite 6:	HSPA2	P54652	S122	FFPEEISSMVLTKMK	100 / 5 AA	70
Phosphosite 7:	HSPA1L	P34931	S123	FYPEEISSMVLTKLK	100 / 5 AA	70
Phosphosite 8:	HSPA1A	P08107	S121	FYPEEISSMVLTKMK	100 / 5 AA	70
Phosphosite 9:	HSPA1L	P34931	T127	EISSMVLTKLKETAE	83 / 6 AA	70
Phosphosite 10:	EXT1	Q16394	S617	SKWTNDYSMVLTGAA	100 / 5 AA	86
Phosphosite 11:	HSPA8	P11142	S121	FYPEEVSSMVLTKMK	100 / 5 AA	71
Phosphosite 12:	EXTL1	Q92935	S549	AERTNEFSMVLTTAA	100 / 5 AA	75
Phosphosite 13:	HSPA2	P54652	T126	EISSMVLTKMKEIAE	83 / 6 AA	70
Phosphosite 14:	HSPA8	P11142	T125	EVSSMVLTKMKEIAE	83 / 6 AA	71
Phosphosite 15:	HSPA1A	P08107	T125	EISSMVLTKMKEIAE	83 / 6 AA	70
Phosphosite 16:	ZNF704	Q6ZNC4	S205	KNCGKVLSTAAGIQK	62 / 8 AA	45
Phosphosite 17:	ATP7B	P35670	T448	AGNSMVQTTDGTPTS	62 / 8 AA	157
Phosphosite 18:	MUC5B	Q9HC84	T4735	THTSTVLTTTATMTR	75 / 8 AA	590
Phosphosite 19:	MUC5B	Q9HC84	T3252	VHTSTVLTTTATTTR	75 / 8 AA	590
Phosphosite 20:	ZRANB3	Q5FWF4	T617	EAKAQLTTPAFPVEG	83 / 6 AA	123