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:	S54
P-Site Sequence:	DDDAEGLSSRLSGTL
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	S54	DDDAEGLSSRLSGTL	100 / 9 AA	41
Phosphosite 1:	SNX21	Q969T3	S55	DDAEGLSSRLSGTLS	100 / 8 AA	41
Phosphosite 2:	HPS4	Q9NQG7	S526	GPSADGISSRLTPAE	66 / 9 AA	77
Phosphosite 3:	ZBED4	O75132	S437	KQQADGLSPRLFESG	75 / 8 AA	130
Phosphosite 4:	FAM59A	Q9H706	S621	SPSAEAVSSRLSWPN	77 / 9 AA	97
Phosphosite 5:	CBR1	P16152	S56	QLQAEGLSPRFHQLD	75 / 8 AA	30
Phosphosite 6:	CBR3	O75828	S56	QLQAEGLSPRFHQLD	75 / 8 AA	31
Phosphosite 7:	VAPB	O95292	T222	GKEEGLSTRLLALVV	85 / 7 AA	27
Phosphosite 8:	VAPB	O95292	S221	TGKEEGLSTRLLALV	75 / 8 AA	27
Phosphosite 9:	DIP	Q6IC98	S163	ERRSQGLSSRLQKWF	75 / 8 AA	66
Phosphosite 10:	ANK3	Q12955	S1044	VEGEGLASRLVEMGP	85 / 7 AA	480
Phosphosite 11:	PTHrP	P12272	S31	GRSVEGLSRRLKRAV	75 / 8 AA	20
Phosphosite 12:	SETD5	Q9C0A6	S1026	CSPAEGFSSRYEHGL	75 / 8 AA	158
Phosphosite 13:	DOT1L	Q8TEK3	S1348	GPEAAGLSSPLSFPS	77 / 9 AA	185
Phosphosite 14:	WDR90	Q96KV7	S1427	VSWAEGTSTRLISGH	75 / 8 AA	187
Phosphosite 15:	FAM70B	Q8WV15	S19	LDPAEGLSRRKKTSL	85 / 7 AA	35
Phosphosite 16:	SFRS5	Q13243	S116	RLIVENLSSRVSWQD	66 / 9 AA	31
Phosphosite 17:	MTIF2	P46199	S611	EDLQEELSSRLPCAV	75 / 8 AA	81
Phosphosite 18:	MACF1	Q9UPN3	S3954	ETLENLSSRLRMPPL	85 / 7 AA	620
Phosphosite 19:	MACF1	Q96PK2	S4456	ETLENLSSRLRMPPL	85 / 7 AA	670
Phosphosite 20:	MTIF2	P46199	S612	DLQEELSSRLPCAVE	75 / 8 AA	81