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:	S207
P-Site Sequence:	RRNLVPSSQPMTENA
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	S207	RRNLVPSSQPMTENA	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	S206	ERRNLVPSSQPMTEN	100 / 8 AA	91
Phosphosite 2:	ELF1	P32519	S474	ILQAIPSSQPMTVLK	87 / 8 AA	67
Phosphosite 3:	MICALL2	Q8IY33	S484	ATAAVPSSQPKTEAP	87 / 8 AA	98
Phosphosite 4:	PKD1L2	Q7Z442	S1641	GSPNLTPSPQPMEDG	75 / 8 AA	273
Phosphosite 5:	GSK3A	P49840	S458	TTTLTPSSQALTETP	66 / 9 AA	51
Phosphosite 6:	PSORS1C1	Q9UIG5	S92	EDILVPSSHPELFAS	85 / 7 AA	17
Phosphosite 7:	ZO3	O95049	S382	YDIYRVPSSQSMEDR	85 / 7 AA	103
Phosphosite 8:	ZO3	O95049	S383	DIYRVPSSQSMEDRG	85 / 7 AA	103
Phosphosite 9:	SS18	Q15532	S169	GYNHSVPSSQSMPVQ	85 / 7 AA	46
Phosphosite 10:	RECQL4	O94761	S436	GPEPLVPSPQPVPEV	75 / 8 AA	133
Phosphosite 11:	HOXA11	P31270	S40	FLPQTPSSRPMTYSY	75 / 8 AA	34
Phosphosite 12:	USP24	Q9UPU5	S1351	GRLDLVGSSQPIKES	75 / 8 AA	294
Phosphosite 13:	USP24	Q9UPU5	S1352	RLDLVGSSQPIKESN	66 / 9 AA	294
Phosphosite 14:	GREB1L	Q9C091	S1634	HSVQEPSSQPMEVGV	100 / 6 AA	214
Phosphosite 15:	SERTAD2	Q14140	S90	RPMFTPSSQPTTEPS	66 / 9 AA	34
Phosphosite 16:	2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase-like protein	A4D126	S385	DFKLVPPSQKMENLM	75 / 8 AA	50
Phosphosite 17:	ARAP3	Q8WWN8	S1540	CTSSPPSSQPLT___	85 / 7 AA	170
Phosphosite 18:	SS18	Q15532	S170	YNHSVPSSQSMPVQN	85 / 7 AA	46
Phosphosite 19:	CDAN1	Q8IWY9	S226	PISCVPSSQPSALDT	100 / 6 AA	134
Phosphosite 20:	PRPF19	Q9UMS4	S149	VPQAVPSSQPSVVGA	100 / 6 AA	55