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:	S465
P-Site Sequence:	RPISPRSSVNSSYNP
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	S465	RPISPRSSVNSSYNP	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	S464	GRPISPRSSVNSSYN	100 / 8 AA	91
Phosphosite 2:	SAPAP2	Q9P1A6	S139	HRCSPRSSVHSECVM	87 / 8 AA	118
Phosphosite 3:	SAPAP2	Q9P1A6	S138	RHRCSPRSSVHSECV	87 / 8 AA	118
Phosphosite 4:	FOXJ3	Q9UPW0	S227	GSDSPRSSLNNSLSD	77 / 9 AA	69
Phosphosite 5:	BAI3	O60242	S1315	YIVMPRSSVNNQPSM	85 / 7 AA	171
Phosphosite 6:	BAI3	O60242	S1314	DYIVMPRSSVNNQPS	85 / 7 AA	171
Phosphosite 7:	MS4A1	P11836	S7	_MTTPRNSVNGTFPA	55 / 9 AA	33
Phosphosite 8:	ERVWE1	Q9UQF0	S510	DRPASPRSDVNDIKG	85 / 7 AA	60
Phosphosite 9:	ASTN1	O14525	S379	SRVGSPRSPVNKTTL	85 / 7 AA	145
Phosphosite 10:	MSL1	Q68DK7	S392	ETPEKPRSSVDTPPR	71 / 7 AA	67
Phosphosite 11:	FOXJ3	Q9UPW0	S226	DGSDSPRSSLNNSLS	75 / 8 AA	69
Phosphosite 12:	DACT1	Q9NYF0	S361	RTNKPRTSVNADPTK	71 / 7 AA	90
Phosphosite 13:	ATF6B	Q99941	S173	EPVSPCSSVNSEASL	87 / 8 AA	77
Phosphosite 14:	DACT1	Q9NYF0	T360	VRTNKPRTSVNADPT	71 / 7 AA	90
Phosphosite 15:	ATF6B	Q99941	S172	IEPVSPCSSVNSEAS	87 / 8 AA	77
Phosphosite 16:	MSL1	Q68DK7	S393	TPEKPRSSVDTPPRL	71 / 7 AA	67
Phosphosite 17:	NFAT4	Q12968	S248	PCHSPRSSVTDENWL	100 / 6 AA	116
Phosphosite 18:	NFAT4	Q12968	S247	SPCHSPRSSVTDENW	100 / 6 AA	116
Phosphosite 19:	SORBS3	O60504	S138	GMPIAPRSSVDRPRD	71 / 7 AA	75
Phosphosite 20:	LOC653160	Q7L0L9	S33	GRGPSPRSEMNSSVG	75 / 8 AA	20