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:	T356
P-Site Sequence:	ALQEAGLTPTPPPSL
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	T356	ALQEAGLTPTPPPSL	100 / 9 AA	41
Phosphosite 1:	RAB44	Q7Z6P3	T516	DSREAGLTPSPGDPM	87 / 8 AA	77
Phosphosite 2:	SNX21	Q969T3	T358	QEAGLTPTPPPSLKE	100 / 7 AA	41
Phosphosite 3:	ARHGEF11	O15085	T1235	QEPEDDLTPTPSVIS	75 / 8 AA	168
Phosphosite 4:	GCSFR	Q99062	T781	QPLLAGLTPSPKSYE	85 / 7 AA	92
Phosphosite 5:	ATXN2	Q99700	T1201	YHAGLAPTPPSMTPA	85 / 7 AA	140
Phosphosite 6:	C2orf14	Q9H0H9	T77	GKLGLVPTPPRIQKE	85 / 7 AA	12
Phosphosite 7:	Uncharacterized protein C2orf14-like 2	A8MVP8	T77	GKLGLVPTPPRIQKE	85 / 7 AA	12
Phosphosite 8:	Uncharacterized protein C2orf14-like 1	A6NCX1	T77	GKLGLVPTPPRIQKE	85 / 7 AA	12
Phosphosite 9:	SRCAP	Q6ZRS2	T1322	QAPRDGLTPVPPLAP	85 / 7 AA	344
Phosphosite 10:	DKFZP434B061	Q9UF83	T427	TPPRASLTRTPPRAS	75 / 8 AA	59
Phosphosite 11:	SH3D19	Q5HYK7	T85	VTSKEGLTPYPPLQE	85 / 7 AA	87
Phosphosite 12:	DKFZP434B061	Q9UF83	T418	TPSMASLTRTPPRAS	75 / 8 AA	59
Phosphosite 13:	SH3D19	Q5HYK7	Y87	SKEGLTPYPPLQEAG	85 / 7 AA	87
Phosphosite 14:	DKFZP434B061	Q9UF83	T508	TPPTASLTRTPPTAS	75 / 8 AA	59
Phosphosite 15:	QSK	Q9Y2K2	S895	ALQQALLSPTPPDYT	66 / 9 AA	140
Phosphosite 16:	DDEF2	O43150	T843	VTSTNPLTPTPPPPV	100 / 6 AA	112
Phosphosite 17:	KIAA1545	Q9HCM7	T397	FPAGLPPTPPAAPPP	85 / 7 AA	103
Phosphosite 18:	ZC3H4	Q9UPT8	T519	PGVGLLPTPPRPPGP	85 / 7 AA	140
Phosphosite 19:	ROBO3	Q96MS0	T1157	QQSTATLTPSPPDPP	75 / 8 AA	148
Phosphosite 20:	DDEF2	O43150	T845	STNPLTPTPPPPVAK	100 / 6 AA	112