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:	S88
P-Site Sequence:	PRSSIKISAFKCDSK
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	S88	PRSSIKISAFKCDSK	100 / 9 AA	91
Phosphosite 1:	C9orf79	Q6ZUB1	S118	RSRSRKISALKACRI	75 / 8 AA	157
Phosphosite 2:	ABR	Q12979	S385	EDMKMKISALKSEIQ	62 / 8 AA	98
Phosphosite 3:	IKBKAP	O95163	Y451	ASNQISVYKCGDCPS	57 / 7 AA	150
Phosphosite 4:	ARID4A	P29374	S811	LEIIKISSFGQNEAG	83 / 6 AA	143
Phosphosite 5:	C-EBP-alpha	P49715	S65	HETSIDISAYIDPAA	71 / 7 AA	38
Phosphosite 6:	KIAA1045	Q9UPV7	S22	QKVSLAVSAFKDGLR	62 / 8 AA	45
Phosphosite 7:	HNK1ST	O43529	S197	DPFERLISAFKDKFV	100 / 5 AA	42
Phosphosite 8:	GLYATL3	Q5SZD4	T128	KQLNIKLTSFKAVHF	50 / 8 AA	33
Phosphosite 9:	ERI2	A8K979	S497	KDPGSDISAFKLPEH	100 / 5 AA	77
Phosphosite 10:	FREM2	Q5SZK8	S1134	SRAGIAISAFNLKDL	62 / 8 AA	351
Phosphosite 11:	nAChRA3	P32297	S413	HHRRIKISNFSANLT	83 / 6 AA	57
Phosphosite 12:	PRPF40A	O75400	S748	RKMKRKESAFKSMLK	71 / 7 AA	109
Phosphosite 13:	GTPBP10	A4D1E9	S78	VGANSKISALKGSKG	83 / 6 AA	43
Phosphosite 14:	PDHK3	Q15120	S286	EDLSIKISDLGGGVP	71 / 7 AA	47
Phosphosite 15:	HCFC1	P51610	S1881	RGPFSEISAFKTCLP	100 / 5 AA	209
Phosphosite 16:	BUB3	O43684	Y219	PEVQKKKYAFKCHRL	71 / 7 AA	37