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:	S578
P-Site Sequence:	SLVDSSSSSPSRMNS
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	S578	SLVDSSSSSPSRMNS	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	S579	LVDSSSSSPSRMNSE	100 / 8 AA	91
Phosphosite 2:	MARCH-X	Q8NA82	S577	LSLVDSSSSSPSRMN	100 / 8 AA	91
Phosphosite 3:	BTBD12	Q8IY92	S959	ALGHSSCSSPSRDCQ	77 / 9 AA	200
Phosphosite 4:	LBR	Q14739	S70	RKGGSTSSSPSRRRG	77 / 9 AA	71
Phosphosite 5:	NR1D1	P20393	S22	TYIGSSGSSPSRTSP	77 / 9 AA	67
Phosphosite 6:	TTBK2	Q6IQ55	S1167	LPRTSSSSPSRAGRP	87 / 8 AA	137
Phosphosite 7:	BTBD12	Q8IY92	S960	LGHSSCSSPSRDCQA	87 / 8 AA	200
Phosphosite 8:	MARCH-X	Q8NA82	S576	NLSLVDSSSSSPSRM	100 / 7 AA	91
Phosphosite 9:	IGSF9	Q9P2J2	S888	ARSFDCSSSSPSGAP	87 / 8 AA	127
Phosphosite 10:	CXorf67	Q86X51	S438	SSYASNSSSPSRSPG	87 / 8 AA	52
Phosphosite 11:	C330043M08Rik	Q4G0A6	S266	ILASSNSSPSRTSLG	87 / 8 AA	84
Phosphosite 12:	C330043M08Rik	Q4G0A6	S265	DILASSNSSPSRTSL	87 / 8 AA	84
Phosphosite 13:	TTBK2	Q6IQ55	S1166	SLPRTSSSSPSRAGR	87 / 8 AA	137
Phosphosite 14:	LBR	Q14739	S71	KGGSTSSSPSRRRGS	87 / 8 AA	71
Phosphosite 15:	IGSF9	Q9P2J2	S889	RSFDCSSSSPSGAPQ	87 / 8 AA	127
Phosphosite 16:	NR1D1	P20393	S23	YIGSSGSSPSRTSPE	87 / 8 AA	67
Phosphosite 17:	CXorf67	Q86X51	S439	SYASNSSSPSRSPGL	87 / 8 AA	52
Phosphosite 18:	SRRM2	Q9UQ35	S937	HSGSSSPSPSRVTSR	87 / 8 AA	300
Phosphosite 19:	ANKS3	Q6ZW76	S332	RDVESSSSSSSREEH	77 / 9 AA	72