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:	S468
P-Site Sequence:	SPRSSVNSSYNPPAS
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	S468	SPRSSVNSSYNPPAS	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	S469	PRSSVNSSYNPPASF	100 / 8 AA	91
Phosphosite 2:	MARCH-X	Q8NA82	Y470	RSSVNSSYNPPASFM	100 / 7 AA	91
Phosphosite 3:	RNF19B	Q6ZMZ0	S576	MAGSIISSYNPQDRE	75 / 8 AA	78
Phosphosite 4:	UBR1	Q8IWV7	S1431	LQPSSVSSSYNHLYL	77 / 9 AA	200
Phosphosite 5:	UBR1	Q8IWV7	S1430	DLQPSSVSSSYNHLY	87 / 8 AA	200
Phosphosite 6:	ATMIN	O43313	S523	DIFESVHSSYNVATG	85 / 7 AA	88
Phosphosite 7:	ATMIN	O43313	S524	IFESVHSSYNVATGN	85 / 7 AA	88
Phosphosite 8:	PLA2G4E	Q3MJ16	Y679	AFFVNSSYPPLLRPE	85 / 7 AA	96
Phosphosite 9:	HMCN1	Q96RW7	S5066	LHASSVESDYNQIEE	66 / 9 AA	613
Phosphosite 10:	DOCK9	Q9BZ29	S602	DFPNYVNSSYIPTKQ	85 / 7 AA	236
Phosphosite 11:	SETD1A	O15047	Y188	ELIVNGSYTPQTVPT	71 / 7 AA	186
Phosphosite 12:	SETD1A	O15047	S187	YELIVNGSYTPQTVP	71 / 7 AA	186
Phosphosite 13:	SPT5	O00267	Y874	SPQVNPQYNPQTPGT	71 / 7 AA	121
Phosphosite 14:	UBR1	Q8IWV7	S1432	QPSSVSSSYNHLYLF	75 / 8 AA	200
Phosphosite 15:	RNF19B	Q6ZMZ0	Y577	AGSIISSYNPQDREC	71 / 7 AA	78
Phosphosite 16:	MRGPRD	Q8TDS7	S269	RLSSSVSSSANPVIY	77 / 9 AA	36
Phosphosite 17:	KIAA1622	Q6NUP7	S830	RNASSVPSSFSPNTP	66 / 9 AA	99
Phosphosite 18:	ATMIN	O43313	Y525	FESVHSSYNVATGNI	83 / 6 AA	88
Phosphosite 19:	SHISA2	Q6UWI4	S11	ARRSSVSSSWNAASL	66 / 9 AA	31
Phosphosite 20:	GATA3	P23771	S390	EDFPKNSSFNPAALS	83 / 6 AA	48