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:	T79
P-Site Sequence:	SSEEDALTEPRSSIK
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	T79	SSEEDALTEPRSSIK	100 / 9 AA	91
Phosphosite 1:	TMEM108	Q6UXF1	S539	ETSEDQLSEPRSPAN	77 / 9 AA	60
Phosphosite 2:	Ig lambda chain V-II region NIG-58	P01713	T5	___QSALTQPRSVSG	66 / 9 AA	11
Phosphosite 3:	Ig lambda chain V-II region BUR	P01708	T5	___QSALTQPRSVSG	66 / 9 AA	12
Phosphosite 4:	Ig lambda chain V-II region TRO	P01707	T5	___QSALTQPRSVSG	66 / 9 AA	12
Phosphosite 5:	Ig lambda chain V-II region BOH	P01706	T5	___QSALTQPRSVSG	66 / 9 AA	12
Phosphosite 6:	UBE4B	O95155	T477	LVLQGSLTQPRSLQQ	55 / 9 AA	146
Phosphosite 7:	Ig gamma lambda chain V-II region DOT	P80422	T5	___ASALTQPRSLSG	85 / 7 AA	12
Phosphosite 8:	BTN3A3	O00478	T446	GNKYRALTEPRTNLK	85 / 7 AA	65
Phosphosite 9:	FAM172A	Q8WUF8	T145	FMSEDALTNPQKLMV	75 / 8 AA	48
Phosphosite 10:	MOCOS	Q96EN8	T537	SPQEDALTGSRVWNN	75 / 8 AA	98
Phosphosite 11:	CATSPER1	Q8NEC5	T703	KLLEDSLTELRAAEP	66 / 9 AA	90
Phosphosite 12:	RAI14	Q9P0K7	S700	AKAEDALSEMKSQYS	66 / 9 AA	110
Phosphosite 13:	DKFZp779A1753	P27816	T11	LSLADALTEPSPDIE	75 / 8 AA	51
Phosphosite 14:	C5orf25	Q8NDZ2	T627	AVTEDGLTQPPNGNQ	55 / 9 AA	97
Phosphosite 15:	HDAC5	Q9UQL6	T570	LLGEGALTMPREGST	75 / 8 AA	122
Phosphosite 16:	FAM138D	Q6VEP2	T79	KFLSDALTELRLYT_	85 / 7 AA	9
Phosphosite 17:	BHLHB9	Q6PI77	S76	ETKEGALSEPKTLGK	55 / 9 AA	60
Phosphosite 18:	MED12	Q93074	T582	DTQAPMLTDPRSESE	83 / 6 AA	243
Phosphosite 19:	PCK1	P35558	T80	DNCWLALTDPRDVAR	83 / 6 AA	69
Phosphosite 20:	OBSCN	Q5VST9	S6158	GNKFQTLSEPRSGLL	62 / 8 AA	868