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:	T426
P-Site Sequence:	VEKIVLTTLEIIQDR
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	T426	VEKIVLTTLEIIQDR	100 / 9 AA	86
Phosphosite 1:	GABRB1	P18505	T371	HGNILLSTLEIRNET	75 / 8 AA	54
Phosphosite 2:	SAMD9L	Q8IVG5	T654	KKKEDVLTALEILCE	85 / 7 AA	184
Phosphosite 3:	PEX1	O43933	T811	REKLVLTTLDFQKAL	62 / 8 AA	143
Phosphosite 4:	PEX1	O43933	T810	TREKLVLTTLDFQKA	62 / 8 AA	143
Phosphosite 5:	ZNF254	O75437	T255	KQLSTLTTHEIIHAG	85 / 7 AA	77
Phosphosite 6:	HLTF	Q14527	T529	SKQDIVLTTYNILTH	75 / 8 AA	114
Phosphosite 7:	GABRB3	P28472	S371	HGNILLTSLEVHNEM	62 / 8 AA	54
Phosphosite 8:	CCDC36	Q8IYA8	S385	QGASQLTSLEINFST	83 / 6 AA	65
Phosphosite 9:	PTPN6	P29350	T350	NSRVIVMTTREVEKG	62 / 8 AA	68
Phosphosite 10:	ZNF836	Q6ZNA1	T347	KQGSCLTTHQIIHTG	62 / 8 AA	108
Phosphosite 11:	PTPN11	Q06124	T356	NSRVIVMTTKEVERG	62 / 8 AA	68
Phosphosite 12:	SLC24A5	Q71RS6	S94	CDEYFLPSLEIISES	71 / 7 AA	55
Phosphosite 13:	GABPA	Q06546	T214	MTDIDLTTLNISGRE	75 / 8 AA	51
Phosphosite 14:	NAG	A2RRP1	T1716	FTDSGLSTLEIENRA	83 / 6 AA	269
Phosphosite 15:	GABPA	Q06546	T213	SMTDIDLTTLNISGR	75 / 8 AA	51
Phosphosite 16:	JRKL	Q9Y4A0	S447	GYEVLTDSEIIRRAQ	75 / 8 AA	51
Phosphosite 17:	NISCH	Q9Y2I1	S1277	QHLMVVLSSLERTPS	57 / 7 AA	167
Phosphosite 18:	NAALADL1	Q9UQQ1	T725	RQLSIVVTALEGAAA	71 / 7 AA	81
Phosphosite 19:	ZNF836	Q6ZNA1	T431	KRSSSLTTHQIIHTG	71 / 7 AA	108
Phosphosite 20:	ARHGAP13	Q7Z6B7	T992	APDVVLDTLEQVKNS	71 / 7 AA	124