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:	T260
P-Site Sequence:	GPPLTPTTVGGPRKA
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	T260	GPPLTPTTVGGPRKA	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	T259	SGPPLTPTTVGGPRK	100 / 8 AA	91
Phosphosite 2:	KIAA1967	Q8N163	T232	RVHLTPYTVDSPICD	66 / 9 AA	103
Phosphosite 3:	DHX9	Q08211	T108	AEGDLPTTMGGPLPP	85 / 7 AA	141
Phosphosite 4:	CHD7	Q9P2D1	T2353	IPGYTPTTVDSPLQK	66 / 9 AA	336
Phosphosite 5:	SRF	P11831	T401	IMTSSVPTTVGGHMM	100 / 6 AA	52
Phosphosite 6:	CXorf30	A6PW82	T578	KYEINGLTPTTVPPK	100 / 6 AA	72
Phosphosite 7:	MKKS	Q9NPJ1	T114	QRLGLTPTTVIRLNK	100 / 6 AA	62
Phosphosite 8:	TBC1D18	Q5R372	S474	EEPVTPTSGGGPMSP	66 / 9 AA	92
Phosphosite 9:	MKKS	Q9NPJ1	T115	RLGLTPTTVIRLNKH	100 / 6 AA	62
Phosphosite 10:	E2F4	Q16254	T250	NSPQLTPTAVPGSAE	75 / 8 AA	44
Phosphosite 11:	CXorf30	A6PW82	T581	INGLTPTTVPPKNAK	100 / 6 AA	72
Phosphosite 12:	MARCH-X	Q8NA82	T257	EFSGPPLTPTTVGGP	100 / 6 AA	91
Phosphosite 13:	CXorf30	A6PW82	T580	EINGLTPTTVPPKNA	100 / 6 AA	72
Phosphosite 14:	MUC3A	Q02505	S1714	LRTLTPSSVGTSTSL	71 / 7 AA	266
Phosphosite 15:	PUF60	Q9UHX1	T314	MPLLTPATPGGLPPA	75 / 8 AA	60
Phosphosite 16:	PRG4	Q92954	T806	PKELAPTTTKGPTST	66 / 9 AA	151
Phosphosite 17:	LOC375337	Q8N9V7	T11	PPPLGPTTASGPEGN	66 / 9 AA	191
Phosphosite 18:	MUC5AC	P98088	T4487	RPHPTPTTVGPTTVG	100 / 6 AA	527
Phosphosite 19:	MUC3A	Q02505	S1713	SLRTLTPSSVGTSTS	71 / 7 AA	266
Phosphosite 20:	p63	Q9H3D4	T491	PQQRNALTPTTIPDG	83 / 6 AA	77