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:	S180
P-Site Sequence:	GRRAANGSSERGGAV
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	S180	GRRAANGSSERGGAV	100 / 9 AA	50
Phosphosite 1:	HS3ST4	Q9Y661	S181	RRAANGSSERGGAVS	100 / 8 AA	50
Phosphosite 2:	TBC1D23	Q9NUY8	S479	GESPNGSSDRGMKSL	75 / 8 AA	78
Phosphosite 3:	TBC1D23	Q9NUY8	S478	DGESPNGSSDRGMKS	66 / 9 AA	78
Phosphosite 4:	SSPO	A2VEC9	S1594	EEDCADGSDERGCGG	75 / 8 AA	548
Phosphosite 5:	NP60	Q49A26	S151	KKRVSSGSSERGSKS	66 / 9 AA	61
Phosphosite 6:	TRPS1	Q9UHF7	S1062	VSEGKGSSERGSPIE	75 / 8 AA	142
Phosphosite 7:	TRPS1	Q9UHF7	S1061	SVSEGKGSSERGSPI	75 / 8 AA	142
Phosphosite 8:	FBXO41	Q8TF61	S451	AQAANGGSERTQPPR	85 / 7 AA	95
Phosphosite 9:	NP60	Q49A26	S152	KRVSSGSSERGSKSP	75 / 8 AA	61
Phosphosite 10:	APC2	O95996	S1665	DERPAEGSRERGEEA	66 / 9 AA	244
Phosphosite 11:	NMDAR2C	Q14957	S687	FGTVPNGSTERNIRS	62 / 8 AA	135
Phosphosite 12:	GRIN2B	Q13224	S690	FGTVPNGSTERNIRN	62 / 8 AA	166
Phosphosite 13:	GRIN2A	Q12879	S689	FGTVPNGSTERNIRN	62 / 8 AA	165
Phosphosite 14:	FGA	P02671	S364	TGTWNPGSSERGSAG	100 / 6 AA	95
Phosphosite 15:	MTMR1	Q13613	S647	ATRAVSSSSERGSSP	66 / 9 AA	75
Phosphosite 16:	FGA	P02671	S365	GTWNPGSSERGSAGH	100 / 6 AA	95
Phosphosite 17:	Proline-rich protein 23B	Q6ZRT6	S205	CALAPNPSSERRSPR	75 / 8 AA	28
Phosphosite 18:	Proline-rich protein 23C	Q6ZRP0	S205	CALAPNPSSERRSPR	75 / 8 AA	28
Phosphosite 19:	ALS2	Q96Q42	S14	SSTEAEGSKERGLVH	75 / 8 AA	184
Phosphosite 20:	FRY	Q5TBA9	S723	SELIANGSSHRIQSE	85 / 7 AA	339