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:	S495
P-Site Sequence:	DLSMSSTSVHSSDSE
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	S495	DLSMSSTSVHSSDSE	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	T494	VDLSMSSTSVHSSDS	100 / 8 AA	91
Phosphosite 2:	MARCH-X	Q8NA82	S493	PVDLSMSSTSVHSSD	100 / 7 AA	91
Phosphosite 3:	C16orf72	Q14CZ0	S204	SGAMASISVRSSTPG	66 / 9 AA	31
Phosphosite 4:	GR	P04150	S320	GNKMSAISVHGVSTS	62 / 8 AA	86
Phosphosite 5:	MARCH-X	Q8NA82	S492	IPVDLSMSSTSVHSS	100 / 6 AA	91
Phosphosite 6:	CHKB	Q9Y259	S390	QQKGQLTSVHSSS__	100 / 6 AA	45
Phosphosite 7:	MTMR1	Q13613	S660	SPSHSATSVHTSV__	75 / 8 AA	75
Phosphosite 8:	NFAT2	O95644	T939	IRNDLSSTSTHS___	75 / 8 AA	101
Phosphosite 9:	Peregrin	P55201	S880	GLGPNMSSTPAHEVG	71 / 7 AA	138
Phosphosite 10:	Peregrin	P55201	T881	LGPNMSSTPAHEVGR	71 / 7 AA	138
Phosphosite 11:	BACH2	Q9BYV9	T443	SACDQVSTSVHSYSG	100 / 6 AA	93
Phosphosite 12:	BACH2	Q9BYV9	S444	ACDQVSTSVHSYSGV	100 / 6 AA	93
Phosphosite 13:	FRMPD2	Q68DX3	S283	GRRLSSGSVHSAADS	66 / 9 AA	144
Phosphosite 14:	SARG	Q9BW04	S30	DSMMSSTSTRSGSSD	75 / 8 AA	64
Phosphosite 15:	BIRC6	Q9NR09	S2944	DGNGSSTSVQGSPAY	75 / 8 AA	528
Phosphosite 16:	RGPD5	Q99666	S1266	DDSVSSSSVHASPLA	66 / 9 AA	199
Phosphosite 17:	RGPD4	Q7Z3J3	S1267	DDSVSSSSVHASPLA	66 / 9 AA	198
Phosphosite 18:	RanBP2	P49792	S2242	DDSVSSSSVHASPLA	66 / 9 AA	358
Phosphosite 19:	RGPD3	A6NKT7	S1267	DDSVSSSSVHASPLA	66 / 9 AA	198
Phosphosite 20:	SARG	Q9BW04	T29	CDSMMSSTSTRSGSS	75 / 8 AA	64