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:	S193
P-Site Sequence:	SSGLPYASSLGYPTA
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	S193	SSGLPYASSLGYPTA	100 / 9 AA	29
Phosphosite 1:	SOX14	O95416	S168	TGALPYASTLGYQNG	88 / 9 AA	26
Phosphosite 2:	SOX21	Q9Y651	S194	SGLPYASSLGYPTAG	100 / 8 AA	29
Phosphosite 3:	SOX21	Q9Y651	Y191	SSSSGLPYASSLGYP	100 / 7 AA	29
Phosphosite 4:	SORCS2	Q96PQ0	S749	LGQTYTSSLGYRKVV	85 / 7 AA	128
Phosphosite 5:	Tiam2	Q8IVF5	S76	KSNQPYASRLGGPTC	85 / 7 AA	193
Phosphosite 6:	FPGT	O14772	S125	SQRLPNASALGKIFT	75 / 8 AA	67
Phosphosite 7:	TMC5	Q6UXY8	S201	RINPYADSLGKPDYP	85 / 7 AA	115
Phosphosite 8:	Nedd4-BP3	O15049	S211	GPSPFSSSLGHLNHL	62 / 8 AA	60
Phosphosite 9:	Nedd4-BP3	O15049	S210	TGPSPFSSSLGHLNH	62 / 8 AA	60
Phosphosite 10:	RNF31	Q96EP0	S451	APRPYASSLEKGPPK	100 / 6 AA	120
Phosphosite 11:	PTCHD1	Q96NR3	S694	VYMDRYASSLGAPLH	85 / 7 AA	101
Phosphosite 12:	SEBOX	Q9HB31	S30	SGTLPFASSMPSPVD	71 / 7 AA	24
Phosphosite 13:	RNF31	Q96EP0	Y448	AQHAPRPYASSLEKG	100 / 6 AA	120
Phosphosite 14:	ZNF503	Q96F45	S641	GQRLTTASALGYQ__	66 / 9 AA	63
Phosphosite 15:	SLC10A4	Q96EP9	S26	YTLAPNASSLGPGTD	85 / 7 AA	47
Phosphosite 16:	EPS15L1	Q9UBC2	S759	PSGPFTSSLGGAGFS	71 / 7 AA	94
Phosphosite 17:	EPS15L1	Q9UBC2	S758	PPSGPFTSSLGGAGF	71 / 7 AA	94
Phosphosite 18:	PTCHD1	Q96NR3	S695	YMDRYASSLGAPLHN	100 / 6 AA	101
Phosphosite 19:	EPS15L1	Q9UBC2	T757	PPPSGPFTSSLGGAG	71 / 7 AA	94
Phosphosite 20:	SLC10A4	Q96EP9	S27	TLAPNASSLGPGTDL	85 / 7 AA	47