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:	Y740
P-Site Sequence:	VSILRKKYRDIERL_
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	Y740	VSILRKKYRDIERL_	100 / 9 AA	86
Phosphosite 1:	C7orf60	Q1RMZ1	Y51	HRRLRKKYREVGDFD	75 / 8 AA	46
Phosphosite 2:	C9orf103	Q5T6J7	T89	ACSALKKTYRDILTQ	75 / 8 AA	21
Phosphosite 3:	FAM169A	Q9Y6X4	Y189	TMFLRKKYRGKDFGL	66 / 9 AA	75
Phosphosite 4:	FLJ20272	Q6P3X3	Y662	LLDLRDKYKDVQVLK	55 / 9 AA	97
Phosphosite 5:	RYR3	Q15413	Y4169	LKNLRKQYRNVKKMT	62 / 8 AA	552
Phosphosite 6:	EXTL1	Q92935	Y670	VSVQRKKYRSLEKP_	75 / 8 AA	75
Phosphosite 7:	HS1BP3	Q53T59	Y71	QFLVSKKYSEIEEFY	55 / 9 AA	43
Phosphosite 8:	PJA1	Q8NG27	Y379	IAALRRKYRSREQTL	66 / 9 AA	71
Phosphosite 9:	CCDC160	A6NGH7	Y161	LEELNMKYRKIEEEF	66 / 9 AA	38
Phosphosite 10:	DKFZp761B107	Q6ZUS6	Y16	HQSLKKKYRELIDGD	62 / 8 AA	53
Phosphosite 11:	CLN6	Q9NWW5	Y290	DPVLRKKYPGVIYVP	62 / 8 AA	36
Phosphosite 12:	HS1BP3	Q53T59	S72	FLVSKKYSEIEEFYQ	62 / 8 AA	43
Phosphosite 13:	GLTSCR1	Q9NZM4	Y1391	RLPLRKTYRENVGGP	71 / 7 AA	153
Phosphosite 14:	GLTSCR1	Q9NZM4	T1390	PRLPLRKTYRENVGG	71 / 7 AA	153
Phosphosite 15:	TMOD4	Q9NZQ9	Y11	YQKELEKYRDIDEDE	83 / 6 AA	39
Phosphosite 16:	NEK4	P51957	Y742	EFKLHRKYRDTLILH	62 / 8 AA	95
Phosphosite 17:	endofin	Q7Z3T8	Y1263	IKIPRKKYSDVMKVL	71 / 7 AA	169
Phosphosite 18:	CSNK1E	P49674	Y156	DFGLAKKYRDARTHQ	85 / 7 AA	47
Phosphosite 19:	CSNK1D	P48730	Y156	DFGLAKKYRDARTHQ	85 / 7 AA	47
Phosphosite 20:	SLC4A7	Q9Y6M7	Y1207	EDEPRKKYVDAETSL	75 / 8 AA	136