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:	S181
P-Site Sequence:	RRAANGSSERGGAVS
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	S181	RRAANGSSERGGAVS	100 / 9 AA	50
Phosphosite 1:	HS3ST4	Q9Y661	S180	GRRAANGSSERGGAV	100 / 8 AA	50
Phosphosite 2:	TBC1D23	Q9NUY8	S479	GESPNGSSDRGMKSL	75 / 8 AA	78
Phosphosite 3:	TBC1D23	Q9NUY8	S478	DGESPNGSSDRGMKS	75 / 8 AA	78
Phosphosite 4:	SSPO	A2VEC9	S1594	EEDCADGSDERGCGG	75 / 8 AA	548
Phosphosite 5:	THRAP3	Q9Y2W1	S823	TKDFVGPSERGGGRA	85 / 7 AA	109
Phosphosite 6:	RP1L1	Q8IWN7	S546	TGSHEGSSEWGGRPQ	85 / 7 AA	261
Phosphosite 7:	TRPS1	Q9UHF7	S1062	VSEGKGSSERGSPIE	85 / 7 AA	142
Phosphosite 8:	TRPS1	Q9UHF7	S1061	SVSEGKGSSERGSPI	85 / 7 AA	142
Phosphosite 9:	NP60	Q49A26	S151	KKRVSSGSSERGSKS	75 / 8 AA	61
Phosphosite 10:	FBXO41	Q8TF61	S451	AQAANGGSERTQPPR	85 / 7 AA	95
Phosphosite 11:	NP60	Q49A26	S152	KRVSSGSSERGSKSP	75 / 8 AA	61
Phosphosite 12:	ANK2	Q01484	S3785	YLQTPTSSERGGSPI	100 / 6 AA	430
Phosphosite 13:	HKR2	P10073	S184	ACEPEGSSERSGLSG	66 / 9 AA	55
Phosphosite 14:	NBPF11	Q86T75	S580	ERTSVGSSEKGGPRG	85 / 7 AA	68
Phosphosite 15:	FGA	P02671	S364	TGTWNPGSSERGSAG	100 / 6 AA	95
Phosphosite 16:	NBPF21	A6NDD8	S580	ERTSVGSSEKGGPRG	85 / 7 AA	68
Phosphosite 17:	FGA	P02671	S365	GTWNPGSSERGSAGH	100 / 6 AA	95
Phosphosite 18:	NMDAR2C	Q14957	S687	FGTVPNGSTERNIRS	71 / 7 AA	135
Phosphosite 19:	GRIN2B	Q13224	S690	FGTVPNGSTERNIRN	71 / 7 AA	166
Phosphosite 20:	GRIN2A	Q12879	S689	FGTVPNGSTERNIRN	71 / 7 AA	165