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:	SNX21
Human P-Site:	S173
P-Site Sequence:	AQISRRYSDFERLHR
UniProt:	Q969T3
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SNX21	Q969T3	S173	AQISRRYSDFERLHR	100 / 9 AA	41
Phosphosite 1:	SNX21	Q969T3	Y172	PAQISRRYSDFERLH	100 / 8 AA	41
Phosphosite 2:	SNX12	Q9UMY4	S73	SCVRRRYSDFEWLKN	87 / 8 AA	20
Phosphosite 3:	SNX3	O60493	S72	STVRRRYSDFEWLRS	87 / 8 AA	19
Phosphosite 4:	SNX12	Q9UMY4	Y72	ESCVRRRYSDFEWLK	100 / 7 AA	20
Phosphosite 5:	SNX3	O60493	Y71	ESTVRRRYSDFEWLR	100 / 7 AA	19
Phosphosite 6:	SNX4	O95219	Y107	TDSLWRRYSEFELLR	75 / 8 AA	52
Phosphosite 7:	SNX4	O95219	S108	DSLWRRYSEFELLRS	75 / 8 AA	52
Phosphosite 8:	Slob	Q7Z7A4	Y56	SWQIVRRYSDFDLLN	85 / 7 AA	65
Phosphosite 9:	Slob	Q7Z7A4	S57	WQIVRRYSDFDLLNN	85 / 7 AA	65
Phosphosite 10:	ZNF780A	O75290	Y76	RKETSRRYPDLELKY	75 / 8 AA	75
Phosphosite 11:	SNX20	Q7Z614	S118	AVLERRYSDFAKLQK	75 / 8 AA	36
Phosphosite 12:	C8orf48	Q96LL4	S274	EKSHIRYSGFERSET	85 / 7 AA	37
Phosphosite 13:	CYP46A1	Q9Y6A2	Y341	EVIGSKRYLDFEDLG	75 / 8 AA	57
Phosphosite 14:	SNX20	Q7Z614	Y117	KAVLERRYSDFAKLQ	100 / 6 AA	36
Phosphosite 15:	JMJD2A	O75164	Y111	DKYCTPRYSEFEELE	62 / 8 AA	121
Phosphosite 16:	B3GNT8	Q7Z7M8	S207	AWESRRYSDLLLWDF	85 / 7 AA	43
Phosphosite 17:	JMJD2A	O75164	S112	KYCTPRYSEFEELER	62 / 8 AA	121
Phosphosite 18:	C8B	P07358	S238	LKEYESYSDFERNVT	100 / 6 AA	67
Phosphosite 19:	KATNAL2	Q8IYT4	S529	KNLAQRYSDWQREFE	55 / 9 AA	61
Phosphosite 20:	B3GNT8	Q7Z7M8	Y206	VAWESRRYSDLLLWD	85 / 7 AA	43