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:	S343
P-Site Sequence:	LGLDKRQSEARLQAL
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	S343	LGLDKRQSEARLQAL	100 / 9 AA	41
Phosphosite 1:	PDZD2	O15018	S2053	SVAGNRQSEPRLASH	66 / 9 AA	302
Phosphosite 2:	FCHSD1	Q86WN1	S425	VEQERRLSEARLSQR	66 / 9 AA	77
Phosphosite 3:	ATF7IP2	Q5U623	S215	ESHDKRQSDNILCSE	66 / 9 AA	76
Phosphosite 4:	NIPBL	Q6KC79	S616	SKSEMKQSESRLAES	55 / 9 AA	316
Phosphosite 5:	SAFB	Q15424	S808	YGSDKRMSEGRGLPP	75 / 8 AA	103
Phosphosite 6:	ZZZ3	Q8IYH5	S457	EGVSKPPSEARLNIG	75 / 8 AA	102
Phosphosite 7:	SAFB2	Q14151	S832	YGSDKRLSEGRGLPP	75 / 8 AA	107
Phosphosite 8:	KIAA0859	Q8N6R0	S425	SNRNVVQSEARLLKD	100 / 6 AA	79
Phosphosite 9:	DCAF12L1	Q5VU92	S139	RIPLLRDSEARLAQD	85 / 7 AA	51
Phosphosite 10:	TCEAL5	Q5H9L2	S86	EGEDKPQSEGKPASQ	62 / 8 AA	23
Phosphosite 11:	ABCA1	O95477	S1192	NLIRKHVSEARLVED	75 / 8 AA	254
Phosphosite 12:	USP29	Q9HBJ7	S70	RHCKKRQSHLRLTLK	75 / 8 AA	104
Phosphosite 13:	nNOS	P29475	S998	NVHKKRVSAARLLSR	75 / 8 AA	161
Phosphosite 14:	SART2	Q9UL01	T786	RFSDKRQTEEAIDRI	83 / 6 AA	110
Phosphosite 15:	RAB36	O95755	S300	LQDLERQSSARLQVG	85 / 7 AA	36
Phosphosite 16:	RAB36	O95755	S301	QDLERQSSARLQVGN	85 / 7 AA	36
Phosphosite 17:	HMHA1	Q92619	S1060	SFLEQQQSEASLEVA	55 / 9 AA	125
Phosphosite 18:	USP39	Q53GS9	S19	STRGKRESESRGSSG	62 / 8 AA	65
Phosphosite 19:	KIAA2022	Q5QGS0	S724	LNKIKFKSEARLKSK	75 / 8 AA	168
Phosphosite 20:	ZNF589	Q86UQ0	S247	KSSDKRQSQVCRECG	71 / 7 AA	41