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:	SULT1A1
Human P-Site:	S138
P-Site Sequence:	NAKDVAVSYYHFYHM
UniProt:	P50225
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SULT1A1	P50225	S138	NAKDVAVSYYHFYHM	100 / 9 AA	34
Phosphosite 1:	SULT1A2	P50226	S138	NAKDVAVSYYHFYHM	100 / 9 AA	34
Phosphosite 2:	SULT1A3	P50224	Y139	PKDVAVSYYHFHRME	100 / 8 AA	34
Phosphosite 3:	SULT1A2	P50226	Y139	AKDVAVSYYHFYHMA	100 / 8 AA	34
Phosphosite 4:	SULT1A1	P50225	Y139	AKDVAVSYYHFYHMA	100 / 8 AA	34
Phosphosite 5:	SULT1C2	O00338	S139	NAKDCMVSYYHFQRM	77 / 9 AA	35
Phosphosite 6:	SULT1A3	P50224	Y140	KDVAVSYYHFHRMEK	100 / 7 AA	34
Phosphosite 7:	SULT1A2	P50226	Y140	KDVAVSYYHFYHMAK	100 / 7 AA	34
Phosphosite 8:	SULT1A1	P50225	Y140	KDVAVSYYHFYHMAK	100 / 7 AA	34
Phosphosite 9:	SULT4A1	Q9BR01	S141	NPKDLVVSYYQFHRS	66 / 9 AA	33
Phosphosite 10:	SULT1B1	O43704	Y141	KDVSVSYYHFDLMNN	85 / 7 AA	35
Phosphosite 11:	SULT1C2	O75897	Y146	PKDNMVSYYHFQRMN	100 / 6 AA	36
Phosphosite 12:	SULT1C2	O75897	Y147	KDNMVSYYHFQRMNK	100 / 6 AA	36
Phosphosite 13:	SULT1C3	Q6IMI6	Y149	KDCLVSYYHFHRMAS	100 / 6 AA	36
Phosphosite 14:	SULT1C3	Q6IMI6	Y148	PKDCLVSYYHFHRMA	100 / 6 AA	36
Phosphosite 15:	SULT2B1	O00204	S155	NPRDVVVSLYHYSKI	66 / 9 AA	41
Phosphosite 16:	SULT1B1	O43704	S137	ARNAKDVSVSYYHFD	85 / 7 AA	35
Phosphosite 17:	SULT4A1	Q9BR01	Y142	PKDLVVSYYQFHRSL	62 / 8 AA	33
Phosphosite 18:	ZNF20	P17024	S15	AFEDVAVSFTQEEWA	62 / 8 AA	62
Phosphosite 19:	SULT4A1	Q9BR01	Y143	KDLVVSYYQFHRSLR	83 / 6 AA	33
Phosphosite 20:	FAT2	Q9NYQ8	Y4277	EYTAISYYHSQFRQG	83 / 6 AA	479