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:	S652
P-Site Sequence:	ESLLEEDSEEEGDLC
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	S652	ESLLEEDSEEEGDLC	100 / 9 AA	91
Phosphosite 1:	SMG6	Q86US8	S1191	IEDFEEDSEAEGSGG	77 / 9 AA	160
Phosphosite 2:	WDR52	Q96MT7	S63	GSYLEEDSDEERLEG	87 / 8 AA	112
Phosphosite 3:	Rad9	Q99638	S387	SPVLAEDSEGEG___	77 / 9 AA	43
Phosphosite 4:	NOL1	P46087	S120	EEEEEEDSEEDGMVN	87 / 8 AA	89
Phosphosite 5:	MZF-1	P28698	S27	VMVKLEDSEEEGEAA	100 / 7 AA	82
Phosphosite 6:	SBK2	P0C263	S19	EAGASEDSEEEGLGG	100 / 7 AA	38
Phosphosite 7:	MDC1	Q14676	S168	RLLLAEDSEEEVDFL	87 / 8 AA	227
Phosphosite 8:	MARCH-VII	Q9H992	S691	LETSEDDSEEDGDHN	75 / 8 AA	78
Phosphosite 9:	VAMP4	O75379	S30	RNLLEDDSDEEEDFF	75 / 8 AA	16
Phosphosite 10:	CHD-5	Q8TDI0	S86	EEDLEEKSESEGSDY	77 / 9 AA	223
Phosphosite 11:	ERCC6	Q03468	S486	RLKLEDDSEESDAEF	85 / 7 AA	168
Phosphosite 12:	NOL8	Q76FK4	S890	SRFLETDSEEEQEEV	87 / 8 AA	132
Phosphosite 13:	PJA1	Q8NG27	S126	DSYGADDSEEEGAGP	85 / 7 AA	71
Phosphosite 14:	PARD3	Q8TEW0	T952	METLEEDTEESSRSG	85 / 7 AA	151
Phosphosite 15:	RABGAP1	Q9Y3P9	T996	KEVLDEDTDEEKETL	62 / 8 AA	122
Phosphosite 16:	NOC2L	Q9Y3T9	S121	PDVLEEASEEEDGAE	87 / 8 AA	85
Phosphosite 17:	ESF1	Q9H501	S243	KDALEEDSESVSEIG	100 / 6 AA	99
Phosphosite 18:	TRIM44	Q96DX7	S129	DEESEEDSEEEMEDE	100 / 7 AA	38
Phosphosite 19:	DNAJA5	Q5F1R6	S370	ENPLDDNSEEEMEDA	62 / 8 AA	62
Phosphosite 20:	SLC18A1	P54219	S517	EFPLGEDSDEEPDHE	75 / 8 AA	56