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:	S62
P-Site Sequence:	SRLSGTLSFTSAEDD
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	S62	SRLSGTLSFTSAEDD	100 / 9 AA	41
Phosphosite 1:	SNX21	Q969T3	T60	LSSRLSGTLSFTSAE	100 / 7 AA	41
Phosphosite 2:	FAM135A	Q9P2D6	S1154	VCTSGCLSFPSAPRE	77 / 9 AA	170
Phosphosite 3:	SCFD2	Q8WU76	S8	MSASGVLSFTQQGWE	85 / 7 AA	75
Phosphosite 4:	C6orf204	Q5SZL2	S87	STSSGTLSFKPSQSL	66 / 9 AA	92
Phosphosite 5:	LOC375337	Q8N9V7	S883	VSNEGELSFTSEVPK	75 / 8 AA	191
Phosphosite 6:	C6orf204	Q5SZL2	T85	DHSTSSGTLSFKPSQ	100 / 6 AA	92
Phosphosite 7:	KIAA0143	Q14156	T797	PSPSGTLTITSGHAQ	66 / 9 AA	93
Phosphosite 8:	CCDC136	Q96JN2	S276	WLQSQTLSMTSAESQ	77 / 9 AA	134
Phosphosite 9:	GDF5OS	Q5U4N7	S244	LSPSRELSFTSAPF_	100 / 6 AA	28
Phosphosite 10:	APOB	P04114	S1543	RYEDGTLSLTSTSDL	75 / 8 AA	516
Phosphosite 11:	TRIM26	Q12899	T501	DYEGGTVTFTNAESQ	55 / 9 AA	62
Phosphosite 12:	GDF5OS	Q5U4N7	T246	PSRELSFTSAPF___	100 / 6 AA	28
Phosphosite 13:	USH1G	Q495M9	S177	AERSDTLSFSSLTSS	75 / 8 AA	51
Phosphosite 14:	SLC26A11	Q86WA9	S298	TTANGTISFTEMVQD	71 / 7 AA	65
Phosphosite 15:	CEP152	O94986	S1526	PSSSATLSFDSREAS	75 / 8 AA	189
Phosphosite 16:	AP3D1	O14617	S1022	QKLKGTLSFIAKNDE	71 / 7 AA	130
Phosphosite 17:	SPSB4	Q96A44	S189	DMDEGTLSFIVDGQY	83 / 6 AA	30
Phosphosite 18:	SSB1	Q96BD6	S189	DMDDGTLSFIVDGQY	83 / 6 AA	31
Phosphosite 19:	TRIM39	Q9HCM9	S470	DYEAGTLSFYNVTDR	55 / 9 AA	60
Phosphosite 20:	MXI1	P50539	S225	SSASVKLSFTS____	75 / 8 AA	26