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:	S461
P-Site Sequence:	FISGRPISPRSSVNS
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	S461	FISGRPISPRSSVNS	100 / 9 AA	91
Phosphosite 1:	AUTS2	Q8WXX7	S1233	TLGGRPVSPRRTTPL	66 / 9 AA	139
Phosphosite 2:	WDR32	Q5QP82	S454	GAPVRPVSPRCSLRL	75 / 8 AA	61
Phosphosite 3:	TANC1	Q9C0D5	S1503	QSKGRPVSPQSRAGI	75 / 8 AA	202
Phosphosite 4:	ZNF416	Q9BWM5	S588	SKCGKPYSPRSNIV_	66 / 9 AA	67
Phosphosite 5:	TBKBP1	A7MCY6	S504	YGPGRPLSPRRAFEG	85 / 7 AA	68
Phosphosite 6:	TGIF	Q15583	S286	PTLGRPLSPKPSSPG	66 / 9 AA	43
Phosphosite 7:	SEC14L5	O43304	S377	RQLGRPISSWTCLLD	55 / 9 AA	79
Phosphosite 8:	BDP1	A6H8Y1	S1126	KATGREISPREKTPE	85 / 7 AA	294
Phosphosite 9:	CASKIN1	Q8WXD9	S819	PPTERPMSPRSLPQS	75 / 8 AA	150
Phosphosite 10:	ZNF416	Q9BWM5	Y587	SSKCGKPYSPRSNIV	75 / 8 AA	67
Phosphosite 11:	RBM47	A0AV96	T519	PFQGRPITPVYTVAP	83 / 6 AA	64
Phosphosite 12:	C11orf68	Q9H3H3	T111	QTSGRPITPGTLRQL	83 / 6 AA	27
Phosphosite 13:	ERVWE1	Q9UQF0	S507	RPLDRPASPRSDVND	75 / 8 AA	60
Phosphosite 14:	TMEM19	Q96HH6	S50	YGNLRPISPWRWLFS	62 / 8 AA	36
Phosphosite 15:	GPR158	Q5T848	S34	DPQGRPDSPRERTPK	85 / 7 AA	135
Phosphosite 16:	PPP1CA	P62136	T320	NPGGRPITPPRNSAK	83 / 6 AA	38
Phosphosite 17:	PPP1R13L	Q8WUF5	S119	LSPKGRPSSPRTPLY	75 / 8 AA	89
Phosphosite 18:	POM121L2	Q96KW2	S649	LSSVVQISPRSSTAN	85 / 7 AA	103
Phosphosite 19:	PBX3	P40426	S195	QSRTRPISPKEIERM	83 / 6 AA	47
Phosphosite 20:	PBX1	P40424	S193	QSRTRPISPKEIERM	83 / 6 AA	47