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:	S213
P-Site Sequence:	AETIARRSRAFEQFL
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	S213	AETIARRSRAFEQFL	100 / 9 AA	41
Phosphosite 1:	SNRPA1	P09661	S178	AKDIARRSKTFNPGA	66 / 9 AA	28
Phosphosite 2:	GTF3C1	Q12789	S1018	HYNLARSSRPFERRL	66 / 9 AA	239
Phosphosite 3:	KIF19	Q2TAC6	S895	RRKRRSRSFEVTGQG	85 / 7 AA	111
Phosphosite 4:	KIF19	Q2TAC6	S893	AKRRKRRSRSFEVTG	85 / 7 AA	111
Phosphosite 5:	SLC44A2	Q8IWA5	S129	TYLNARSSRDFEYYK	75 / 8 AA	80
Phosphosite 6:	K84	Q9NSB2	S348	YEEVARRSRADAEAW	85 / 7 AA	65
Phosphosite 7:	NCAPH	Q15003	S70	ERLQRRRSRVFDLQF	71 / 7 AA	83
Phosphosite 8:	EPB41L5	Q9HCM4	S364	KTNKARRSTSFERRP	75 / 8 AA	82
Phosphosite 9:	Cytokeratin 6E	P48668	S348	YEEIAQRSRAEAESW	85 / 7 AA	60
Phosphosite 10:	KRT6B	P04259	S348	YEEIAQRSRAEAESW	85 / 7 AA	60
Phosphosite 11:	ABCA1	O95477	S1343	RLLIARRSRKGFFAQ	100 / 6 AA	254
Phosphosite 12:	EPB41L5	Q9HCM4	T365	TNKARRSTSFERRPS	75 / 8 AA	82
Phosphosite 13:	FAM123C	Q8N944	S198	SDPGGRRSKAFLPPG	71 / 7 AA	90
Phosphosite 14:	ARHGAP30	Q7Z6I6	Y1087	LSSQRRSYAFETQAN	85 / 7 AA	95
Phosphosite 15:	CBFB	Q13951	T150	FEEARRRTREFEDRD	71 / 7 AA	22
Phosphosite 16:	ARHGAP30	Q7Z6I6	S1086	LLSSQRRSYAFETQA	85 / 7 AA	95
Phosphosite 17:	FNDC1	Q4ZHG4	S191	GAKSPRRSRGFLLGY	71 / 7 AA	199
Phosphosite 18:	C11orf63	Q6NUN7	S207	YEHGARRSKPFSELS	71 / 7 AA	89
Phosphosite 19:	FIG4	Q92562	S276	VTLIARRSSKFAGTR	66 / 9 AA	104
Phosphosite 20:	FHOD1	Q9Y613	S906	LGQLERRSRAAEESL	66 / 9 AA	127