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:	MARCH-X
Human P-Site:	S284
P-Site Sequence:	YSILSLNSRRESDDT
UniProt:	Q8NA82
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MARCH-X	Q8NA82	S284	YSILSLNSRRESDDT	100 / 9 AA	91
Phosphosite 1:	AMBRA1	Q9C0C7	S428	RTVLSLNSRSEAESM	77 / 9 AA	143
Phosphosite 2:	CABP1	Q9NZU7	S26	QRVLGLGSRREPRSL	66 / 9 AA	40
Phosphosite 3:	CCT3	P49368	T14	VLVLSQNTKRESGRK	66 / 9 AA	61
Phosphosite 4:	OR5M3	Q8NGP4	T16	EFILLGLTSRREWQV	75 / 8 AA	35
Phosphosite 5:	P2RY8	Q86VZ1	T320	VPRDTLDTRRESLFS	62 / 8 AA	41
Phosphosite 6:	VPS13C	Q709C8	S1120	DSSLSLQSRKQSLFA	66 / 9 AA	422
Phosphosite 7:	TRIM33	Q9UPN9	S134	VCQQSLQSRREAEPK	75 / 8 AA	123
Phosphosite 8:	EDEM3	Q9BZQ6	S842	SEENSLNSHPESLSL	75 / 8 AA	105
Phosphosite 9:	SPAG9	O60271	S620	ETEASLASRREQKRE	85 / 7 AA	146
Phosphosite 10:	TNRC18	O15417	S1690	GLGLSLKSSREGKHK	66 / 9 AA	315
Phosphosite 11:	KIAA0256	Q93073	S1015	SVEVQLNSRIESWVS	85 / 7 AA	122
Phosphosite 12:	ARHGAP21	Q5T5U3	S1686	SLTSSLDSRRQLFSS	71 / 7 AA	217
Phosphosite 13:	MARCH-X	Q8NA82	S281	EDFYSILSLNSRRES	100 / 6 AA	91
Phosphosite 14:	EYS	Q5T1H1	S1479	YSADSLISRREHWRL	85 / 7 AA	351
Phosphosite 15:	AMBRA1	Q9C0C7	S425	EWTRTVLSLNSRSEA	100 / 6 AA	143
Phosphosite 16:	ZBTB22	O15209	S588	PTGPSLPSKRESPGV	75 / 8 AA	66
Phosphosite 17:	PKG2	Q13237	S117	SGLVSLHSRRGAKAG	55 / 9 AA	87
Phosphosite 18:	WDR81	Q562E7	S285	SGPSRLNSRKEAGLL	71 / 7 AA	96
Phosphosite 19:	MACF1	Q9UPN3	S2489	KIQEELNSRWERATE	83 / 6 AA	620
Phosphosite 20:	MACF1	Q96PK2	S2991	KIQEELNSRWERATE	83 / 6 AA	670