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:	EXT1
Human P-Site:	Y144
P-Site Sequence:	AIEGSRFYTSDPSQA
UniProt:	Q16394
Intern. Prot. ID:	IPI00293128

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	EXT1	Q16394	Y144	AIEGSRFYTSDPSQA	100 / 9 AA	86
Phosphosite 1:	EXT1	Q16394	T145	IEGSRFYTSDPSQAC	100 / 8 AA	86
Phosphosite 2:	EXT1	Q16394	S146	EGSRFYTSDPSQACL	100 / 7 AA	86
Phosphosite 3:	EXTL1	Q92935	Y124	SIEGSRFYTFSPAGA	77 / 9 AA	75
Phosphosite 4:	CLCA4	Q14CN2	Y459	ITGGSHFYVSDEAQN	75 / 8 AA	101
Phosphosite 5:	EXT1	Q16394	S141	ILAAIEGSRFYTSDP	100 / 6 AA	86
Phosphosite 6:	DDI1	Q8WTU0	T202	QERLRLYTADPLDRE	71 / 7 AA	44
Phosphosite 7:	FGF22	Q9HCT0	Y109	RLYGSRLYTVDCRFR	75 / 8 AA	20
Phosphosite 8:	SAV1	Q9H4B6	Y134	GDSGSRYYYSDNFFD	75 / 8 AA	45
Phosphosite 9:	SAV1	Q9H4B6	Y133	NGDSGSRYYYSDNFF	75 / 8 AA	45
Phosphosite 10:	DDI1	Q8WTU0	Y201	EQERLRLYTADPLDR	71 / 7 AA	44
Phosphosite 11:	POLK	Q9UBT6	Y50	ATKGSRFYGNELKKE	62 / 8 AA	99
Phosphosite 12:	PAN3	Q58A45	Y608	PMIGARFYTQLDAAQ	83 / 6 AA	82
Phosphosite 13:	SEC61B	P60468	Y59	TGGMWRFYTEDSPGL	62 / 8 AA	10
Phosphosite 14:	C5orf34	Q96MH7	T282	ITQSRFLTSDISEER	85 / 7 AA	73
Phosphosite 15:	CDK3	Q00526	S177	APEILLGSKFYTTAV	83 / 6 AA	35
Phosphosite 16:	SEC61B	P60468	T60	GGMWRFYTEDSPGLK	71 / 7 AA	10
Phosphosite 17:	PDPK2	Q6A1A2	Y158	DETCTRFYTAEIVSA	57 / 7 AA	45
Phosphosite 18:	KRT8	P05787	T26	AFSSRSYTSGPGSRI	75 / 8 AA	54
Phosphosite 19:	PDPK1	O15530	Y185	DETCTRFYTAEIVSA	57 / 7 AA	63
Phosphosite 20:	ROCK1	Q13464	Y178	PEKWARFYTAEVVLA	57 / 7 AA	158