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:	S493
P-Site Sequence:	PVDLSMSSTSVHSSD
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	S493	PVDLSMSSTSVHSSD	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	T494	VDLSMSSTSVHSSDS	100 / 8 AA	91
Phosphosite 2:	MARCH-X	Q8NA82	S492	IPVDLSMSSTSVHSS	100 / 8 AA	91
Phosphosite 3:	MARCH-X	Q8NA82	S495	DLSMSSTSVHSSDSE	100 / 7 AA	91
Phosphosite 4:	C13orf18	Q9H714	S131	SSSFSLSSTEVHMVR	66 / 9 AA	71
Phosphosite 5:	AP3D1	O14617	S1071	SGDLSMSSIKVDGIR	66 / 9 AA	130
Phosphosite 6:	FRG2	Q64ET8	S129	LNKKSRSSTAVHNSE	75 / 8 AA	30
Phosphosite 7:	FRG2C	A6NGY1	S130	LNKKSRSSTAVHNSE	75 / 8 AA	31
Phosphosite 8:	FRG2	Q64ET8	T130	NKKSRSSTAVHNSEI	75 / 8 AA	30
Phosphosite 9:	FRG2C	A6NGY1	T131	NKKSRSSTAVHNSEI	75 / 8 AA	31
Phosphosite 10:	MARCH-X	Q8NA82	S490	DDIPVDLSMSSTSVH	100 / 6 AA	91
Phosphosite 11:	KIAA1462	Q9P266	S629	QSLLSMSSTDLELQA	66 / 9 AA	148
Phosphosite 12:	p63	Q9H3D4	S533	PPPLSMPSTSHCTPP	85 / 7 AA	77
Phosphosite 13:	C13orf18	Q9H714	T132	SSFSLSSTEVHMVRP	75 / 8 AA	71
Phosphosite 14:	IRS1	P35568	S396	PVSLSSSSTSGHGST	77 / 9 AA	132
Phosphosite 15:	KIAA1462	Q9P266	S628	EQSLLSMSSTDLELQ	75 / 8 AA	148
Phosphosite 16:	GR	P04150	S320	GNKMSAISVHGVSTS	71 / 7 AA	86
Phosphosite 17:	KIAA1462	Q9P266	S626	LQEQSLLSMSSTDLE	100 / 6 AA	148
Phosphosite 18:	RGPD5	Q99666	S1265	LDDSVSSSSVHASPL	75 / 8 AA	199
Phosphosite 19:	RGPD5	Q99666	S1264	ALDDSVSSSSVHASP	75 / 8 AA	199
Phosphosite 20:	RGPD4	Q7Z3J3	S1266	LDDSVSSSSVHASPL	75 / 8 AA	198