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:	Y29
P-Site Sequence:	QHKVDSEYQACLRRQ
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	Y29	QHKVDSEYQACLRRQ	100 / 9 AA	91
Phosphosite 1:	NDC80	O14777	Y611	IAKVDREYEECMSED	55 / 9 AA	74
Phosphosite 2:	KIAA0372	Q6PGP7	Y1159	IKHKDSNYQRCLLTS	75 / 8 AA	175
Phosphosite 3:	NRD1	O43847	Y314	VEAVDSEYQLARPSD	100 / 6 AA	132
Phosphosite 4:	NRD1	O43847	S312	REVEAVDSEYQLARP	100 / 6 AA	132
Phosphosite 5:	ADAMTS14	Q8WXS8	Y490	RFDFGSGYQTCLAFR	62 / 8 AA	134
Phosphosite 6:	ERI2	A8K979	S75	TSTGQIDSEFQAYVQ	71 / 7 AA	77
Phosphosite 7:	HPS5	Q9UPZ3	Y219	NKERDGEYGACFFPG	62 / 8 AA	127
Phosphosite 8:	ZNF541	Q9H0D2	S97	EEYADSESQASLQDL	66 / 9 AA	148
Phosphosite 9:	ANKRD31	Q8N7Z5	Y1796	PNSVPQQYQPCLPEV	55 / 9 AA	211
Phosphosite 10:	SLC2A4RG	Q9NR83	Y319	SCHSDRVYQGCLTPA	62 / 8 AA	41
Phosphosite 11:	LRSAM1	Q6UWE0	Y20	EARKRLEYQMCLAKE	83 / 6 AA	84
Phosphosite 12:	LSG1	Q9H089	Y307	TDEDDSEYEDCPEEE	71 / 7 AA	75
Phosphosite 13:	GFRA2	O00451	Y290	TSCPADNYQACLGSY	83 / 6 AA	52
Phosphosite 14:	MUC2	Q02817	Y4768	ECPSHREYQACGPAE	71 / 7 AA	540
Phosphosite 15:	RCOR3	Q9P2K3	Y7	_MRVGAEYQARIPEF	55 / 9 AA	56
Phosphosite 16:	CCDC65	Q8IXS2	Y187	QNYIDSEYESKLEFQ	55 / 9 AA	57
Phosphosite 17:	DHX40	Q8IX18	Y532	IRPVDPEYQKEAEQR	83 / 6 AA	89
Phosphosite 18:	TNS1	Q9HBL0	Y798	RSYSPYDYQPCLAGP	66 / 6 AA	186
Phosphosite 19:	ZNF289	Q8N6H7	Y445	GREVDAEYEARSRLQ	71 / 7 AA	57
Phosphosite 20:	MARCH-VII	Q9H992	S48	DSSFRLDSEYQSTSA	71 / 7 AA	78