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:	S490
P-Site Sequence:	DDIPVDLSMSSTSVH
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	S490	DDIPVDLSMSSTSVH	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	S492	IPVDLSMSSTSVHSS	100 / 7 AA	91
Phosphosite 2:	Cip1 (p21)	P38936	S114	EEDHVDLSLSCTLVP	66 / 9 AA	18
Phosphosite 3:	EVI1	Q03112	S588	QDQPLDLSMGSRSRA	75 / 8 AA	118
Phosphosite 4:	PMS2	P54278	S621	KVVPLDFSMSSLAKR	75 / 8 AA	96
Phosphosite 5:	KLF12	Q9Y4X4	S85	QTEPVDLSINKARTS	55 / 9 AA	44
Phosphosite 6:	CEP192	Q8TEP8	S232	DIHPVDLSATSVSVR	75 / 8 AA	213
Phosphosite 7:	CSRNP1	Q96S65	S498	RSSSVDLSLSSCDSF	75 / 8 AA	64
Phosphosite 8:	IRS1	P35568	S393	ATSPVSLSSSSTSGH	77 / 9 AA	132
Phosphosite 9:	ZMYM1	Q5SVZ6	S384	ADVIVDLSKSSPSEP	85 / 7 AA	129
Phosphosite 10:	EXOC8	Q8IYI6	S333	EEEKVDLSMEWIQEL	62 / 8 AA	82
Phosphosite 11:	KYNU	Q16719	S60	DLPPVDLSLVNKDEN	83 / 6 AA	52
Phosphosite 12:	IGHE	P01854	T162	VMDVDLSTASTTQEG	75 / 8 AA	47
Phosphosite 13:	C5orf6	Q9NYF3	S128	LSVPVDLSRWQPVWR	71 / 7 AA	43
Phosphosite 14:	C20orf112	Q96MY1	S369	SNGPTDLSMKGGAST	83 / 6 AA	47
Phosphosite 15:	C20orf112	Q96MY1	T366	GNHSNGPTDLSMKGG	83 / 6 AA	47
Phosphosite 16:	NOL4	O94818	S466	SSGPTDLSMKRQLAT	83 / 6 AA	58
Phosphosite 17:	IGHE	P01854	S161	QVMDVDLSTASTTQE	75 / 8 AA	47
Phosphosite 18:	ERAP2	Q6P179	S815	LLEQYELSMSSAEQN	55 / 9 AA	110
Phosphosite 19:	tau	P10636	S633	VYKPVDLSKVTSKCG	83 / 6 AA	79
Phosphosite 20:	ERAP2	Q6P179	S817	EQYELSMSSAEQNKI	71 / 7 AA	110