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:	S194
P-Site Sequence:	RGPMAAISFPRKRLR
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	S194	RGPMAAISFPRKRLR	100 / 9 AA	41
Phosphosite 1:	ZNF275	Q9NSD4	T96	QPQEMASTSFPRASG	75 / 8 AA	52
Phosphosite 2:	ZNF275	Q9NSD4	S97	PQEMASTSFPRASGP	75 / 8 AA	52
Phosphosite 3:	KSR2	Q6VAB6	S644	LSLLSARSFPRKASQ	66 / 9 AA	108
Phosphosite 4:	IGSF9B	Q9UPX0	S1246	LQPPAAVSFSRKSTP	75 / 8 AA	147
Phosphosite 5:	FBXW10	Q5XX13	Y851	VWGPSISYPRKVLNF	62 / 8 AA	120
Phosphosite 6:	FBXW10	Q5XX13	S850	DVWGPSISYPRKVLN	62 / 8 AA	120
Phosphosite 7:	MYCT1	Q8N699	S155	ASLEQANSFPRKSSF	85 / 7 AA	27
Phosphosite 8:	DSTYK	Q6XUX3	S95	AGQLSCISFPPKEEK	55 / 9 AA	105
Phosphosite 9:	Cdc6	Q99741	S13	SQAQATISFPKRKLS	55 / 9 AA	63
Phosphosite 10:	RFX2	P48378	S50	GAQMQPISLPRVQQV	62 / 8 AA	80
Phosphosite 11:	DERPC	P0CG13	S111	PTGTGAVSFPRPGGL	71 / 7 AA	51
Phosphosite 12:	BCO2	Q9BYV7	S406	VHNSAAKSFPRRFVL	75 / 8 AA	63
Phosphosite 13:	MGAT2	Q10469	S423	KFTVVAISPPRKNGG	66 / 9 AA	52
Phosphosite 14:	IGSF9B	Q9UPX0	S1248	PPAAVSFSRKSTPST	71 / 7 AA	147
Phosphosite 15:	Polycystin 2	Q13563	S804	PRPMSSRSFPRSLDD	62 / 8 AA	110
Phosphosite 16:	POPDC2	Q9HBU9	S213	ETSCSYISWPRKSLH	83 / 6 AA	40
Phosphosite 17:	WAC	Q9BTA9	S180	ANKMAVNSFPKDRDY	62 / 8 AA	71
Phosphosite 18:	INTS1	Q8N201	S1976	YNAPAAISFLQKHAD	75 / 8 AA	244
Phosphosite 19:	RGS21	Q2M5E4	S123	YCLMAKDSFPRFLKS	75 / 8 AA	18
Phosphosite 20:	GGTL3	Q9UJ14	T25	PVDYMSITSFPRLPE	62 / 8 AA	70