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:	Y77
P-Site Sequence:	KEHPDYKYRPRRKPK
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	Y77	KEHPDYKYRPRRKPK	100 / 9 AA	29
Phosphosite 1:	SOX2	P48431	Y110	KEHPDYKYRPRRKTK	100 / 9 AA	34
Phosphosite 2:	SOX3	P41225	Y208	KEYPDYKYRPRRKTK	100 / 9 AA	45
Phosphosite 3:	SOX14	O95416	Y77	KEHPDYKYRPRRKPK	100 / 9 AA	26
Phosphosite 4:	SOX15	O60248	Y118	RDYPDYKYRPRRKAK	100 / 9 AA	25
Phosphosite 5:	SOX1	O00570	Y120	KEHPDYKYRPRRKTK	100 / 9 AA	39
Phosphosite 6:	SOX17	Q9H6I2	Y137	QDHPNYKYRPRRRKQ	88 / 9 AA	44
Phosphosite 7:	SOX7	Q9BT81	Y114	QDYPNYKYRPRRKKQ	88 / 9 AA	42
Phosphosite 8:	SRY	Q05066	Y129	EKYPNYKYRPRRKAK	88 / 9 AA	24
Phosphosite 9:	SOX18	P35713	Y154	RDHPNYKYRPRRKKQ	88 / 9 AA	41
Phosphosite 10:	SOX4	Q06945	Y128	ADYPDYKYRPRKKVK	88 / 9 AA	47
Phosphosite 11:	SOX11	P35716	Y118	ADYPDYKYRPRKKPK	88 / 9 AA	47
Phosphosite 12:	SOX12	O15370	Y109	ADYPDYKYRPRKKSK	88 / 9 AA	34
Phosphosite 13:	SOX8	P57073	Y171	KDHPDYKYQPRRRKS	88 / 9 AA	47
Phosphosite 14:	SOX10	P56693	Y173	KDHPDYKYQPRRRKN	88 / 9 AA	50
Phosphosite 15:	SOX9	P48436	Y174	KDHPDYKYQPRRRKS	88 / 9 AA	56
Phosphosite 16:	SOX5	P35711	Y625	EKYPDYKYKPRPKRT	87 / 8 AA	84
Phosphosite 17:	SOX21	Q9Y651	Y75	HMKEHPDYKYRPRRK	100 / 7 AA	29
Phosphosite 18:	SOX2	P48431	Y108	HMKEHPDYKYRPRRK	100 / 7 AA	34
Phosphosite 19:	SOX14	O95416	Y75	HMKEHPDYKYRPRRK	100 / 7 AA	26
Phosphosite 20:	SOX1	O00570	Y118	HMKEHPDYKYRPRRK	100 / 7 AA	39