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:	SOX21
Human P-Site:	Y75
P-Site Sequence:	HMKEHPDYKYRPRRK
UniProt:	Q9Y651
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SOX21	Q9Y651	Y75	HMKEHPDYKYRPRRK	100 / 9 AA	29
Phosphosite 1:	SOX2	P48431	Y108	HMKEHPDYKYRPRRK	100 / 9 AA	34
Phosphosite 2:	SOX14	O95416	Y75	HMKEHPDYKYRPRRK	100 / 9 AA	26
Phosphosite 3:	SOX1	O00570	Y118	HMKEHPDYKYRPRRK	100 / 9 AA	39
Phosphosite 4:	SOX17	Q9H6I2	Y135	HMQDHPNYKYRPRRR	77 / 9 AA	44
Phosphosite 5:	SOX18	P35713	Y152	HLRDHPNYKYRPRRK	77 / 9 AA	41
Phosphosite 6:	SOX3	P41225	Y206	HMKEYPDYKYRPRRK	88 / 9 AA	45
Phosphosite 7:	SOX8	P57073	Y169	HKKDHPDYKYQPRRR	77 / 9 AA	47
Phosphosite 8:	SOX10	P56693	Y171	HKKDHPDYKYQPRRR	77 / 9 AA	50
Phosphosite 9:	SOX9	P48436	Y172	HKKDHPDYKYQPRRR	77 / 9 AA	56
Phosphosite 10:	SOX4	Q06945	Y126	HMADYPDYKYRPRKK	77 / 9 AA	47
Phosphosite 11:	SOX11	P35716	Y116	HMADYPDYKYRPRKK	77 / 9 AA	47
Phosphosite 12:	SOX15	O60248	Y116	HLRDYPDYKYRPRRK	77 / 9 AA	25
Phosphosite 13:	SOX12	O15370	Y107	HMADYPDYKYRPRKK	77 / 9 AA	34
Phosphosite 14:	SOX4	Q06945	Y128	ADYPDYKYRPRKKVK	100 / 7 AA	47
Phosphosite 15:	SOX11	P35716	Y118	ADYPDYKYRPRKKPK	100 / 7 AA	47
Phosphosite 16:	SOX12	O15370	Y109	ADYPDYKYRPRKKSK	100 / 7 AA	34
Phosphosite 17:	SOX21	Q9Y651	Y77	KEHPDYKYRPRRKPK	100 / 7 AA	29
Phosphosite 18:	SOX2	P48431	Y110	KEHPDYKYRPRRKTK	100 / 7 AA	34
Phosphosite 19:	SOX3	P41225	Y208	KEYPDYKYRPRRKTK	100 / 7 AA	45
Phosphosite 20:	SOX14	O95416	Y77	KEHPDYKYRPRRKPK	100 / 7 AA	26