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:	S317
P-Site Sequence:	SPSHHKRSRSGGTST
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	S317	SPSHHKRSRSGGTST	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	S319	SHHKRSRSGGTSTPQ	100 / 7 AA	91
Phosphosite 2:	DDX50	Q9BQ39	S727	RSGNRNRSRSGGHKR	66 / 9 AA	83
Phosphosite 3:	KIF23	Q02241	S812	IRLRHRRSRSAGDRW	66 / 9 AA	110
Phosphosite 4:	PRPF38B	Q5VTL8	S471	KEKSNKRSRSGSQGR	85 / 7 AA	64
Phosphosite 5:	ZFP92	A6NM28	S313	QLIHHQRSHSGERPF	75 / 8 AA	46
Phosphosite 6:	LSM11	P83369	S278	GRGSHKRSRSVPSSL	100 / 6 AA	40
Phosphosite 7:	HYPC	Q6NWY9	S710	KKHHHKRSHSPSGSE	85 / 7 AA	99
Phosphosite 8:	CROP	O95232	S317	RSRDHKRSRSRERRR	100 / 6 AA	51
Phosphosite 9:	TRIM28	Q13263	S471	HVSGVKRSRSGEGEV	100 / 6 AA	89
Phosphosite 10:	TRIM28	Q13263	S473	SGVKRSRSGEGEVSG	100 / 6 AA	89
Phosphosite 11:	DDX50	Q9BQ39	S729	GNRNRSRSGGHKRSF	85 / 7 AA	83
Phosphosite 12:	RBM16	Q9UPN6	S431	KRKHRKRSRSRSRER	85 / 7 AA	141
Phosphosite 13:	PRPF40A	O75400	S826	KKHHRKRSRSRSGSD	85 / 7 AA	109
Phosphosite 14:	PRPF38B	Q5VTL8	S473	KSNKRSRSGSQGRTD	100 / 6 AA	64
Phosphosite 15:	MPZL3	Q6UWV2	S194	GLKKRSRSGYKKSSI	100 / 6 AA	26
Phosphosite 16:	DGK-D	Q16760	S1114	DLAKRSRSGKFRLVT	100 / 6 AA	133
Phosphosite 17:	GPC2	Q8N158	S553	YNQGRSRSGGASIGF	100 / 6 AA	63
Phosphosite 18:	spermidine synthase	P19623	S46	QLLHHRRSRYQDILV	83 / 6 AA	34
Phosphosite 19:	LUZP4	Q9P127	S234	GHSKRSRSQGDLVDT	85 / 7 AA	36
Phosphosite 20:	RIF1	Q5UIP0	S1723	LECQHKRSRRVRRSK	83 / 6 AA	274