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:	HS3ST4
Human P-Site:	S303
P-Site Sequence:	SDYTQTLSKKPEIPT
UniProt:	Q9Y661
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HS3ST4	Q9Y661	S303	SDYTQTLSKKPEIPT	100 / 9 AA	50
Phosphosite 1:	HS3ST2	Q9Y278	S220	SDYTQTLSKKPDIPT	88 / 9 AA	42
Phosphosite 2:	HS3ST3A1	Q9Y663	S258	SDYTQTLSKRPDIPT	77 / 9 AA	45
Phosphosite 3:	HS3ST3B1	Q9Y662	S243	SDYTQTLSKRPDIPT	77 / 9 AA	43
Phosphosite 4:	HS3ST4	Q9Y661	T301	AISDYTQTLSKKPEI	100 / 7 AA	50
Phosphosite 5:	HS3ST2	Q9Y278	T218	AISDYTQTLSKKPDI	100 / 7 AA	42
Phosphosite 6:	NY-SAR-48	Q9BT25	S124	PQLAKTISKKPESTS	66 / 9 AA	45
Phosphosite 7:	HS3ST3A1	Q9Y663	T256	AISDYTQTLSKRPDI	85 / 7 AA	45
Phosphosite 8:	HS3ST3B1	Q9Y662	T241	AISDYTQTLSKRPDI	85 / 7 AA	43
Phosphosite 9:	CATSPER2	Q96P56	S435	SKTEETLSKKREYQS	75 / 8 AA	62
Phosphosite 10:	Rho guanine nucleotide exchange factor 37	A1IGU5	T242	LARINTHTLSKKTTR	85 / 7 AA	76
Phosphosite 11:	HS3ST6	Q96QI5	S196	SDYAQTLSKTPGLPS	66 / 9 AA	37
Phosphosite 12:	Rho guanine nucleotide exchange factor 37	A1IGU5	S244	RINTHTLSKKTTRLS	85 / 7 AA	76
Phosphosite 13:	EIF2AK2	P19525	S520	TLLQKLLSKKPEDRP	100 / 6 AA	62
Phosphosite 14:	MCOLN2	Q8IZK6	S199	QLDLQDLSKKPPDWK	85 / 7 AA	66
Phosphosite 15:	WWC1	Q8IX03	S953	DSDSSTLSKKPPFVR	100 / 6 AA	125
Phosphosite 16:	KHDC1	Q4VXA5	S82	DMGTSALSKKPWWTL	75 / 8 AA	27
Phosphosite 17:	KPNB1	Q14974	T331	PILTQTLTKQDENDD	66 / 9 AA	97
Phosphosite 18:	YY2	O15391	S138	STSTQSRSKKPSKKP	75 / 8 AA	41
Phosphosite 19:	NEK4	P51957	S243	ELIRTMLSKRPEERP	83 / 6 AA	95
Phosphosite 20:	SFRS17A	Q02040	S444	RLLSILLSKKPDDSH	83 / 6 AA	81