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:	S60
P-Site Sequence:	QETSFERSRFSSRSS
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	S60	QETSFERSRFSSRSS	100 / 9 AA	91
Phosphosite 1:	PSD	A5PKW4	S950	AYLEFEKSRYSTYAA	62 / 8 AA	110
Phosphosite 2:	MED12	Q93074	S471	DSHSFERSDFSNSLD	77 / 9 AA	243
Phosphosite 3:	C9orf25	Q8IW50	S122	SDDDFDMSRYSSSGY	62 / 8 AA	17
Phosphosite 4:	ASAH2	Q9NR71	Y273	PQSERARYSSNTDKE	71 / 7 AA	86
Phosphosite 5:	ASAH2C	P0C7U2	Y115	PQSERARYSSNTDKE	71 / 7 AA	69
Phosphosite 6:	SPTBN1	Q01082	S43	SARLFERSRIKALAD	62 / 8 AA	275
Phosphosite 7:	SPTB	P11277	S43	SARLFERSRIKALAD	62 / 8 AA	246
Phosphosite 8:	SPTBN2	O15020	S46	SARLFERSRIKALAD	62 / 8 AA	271
Phosphosite 9:	FCHO1	O14526	S340	QNSTAEPSRFSSSDS	85 / 7 AA	97
Phosphosite 10:	MIA3	Q5JRA6	S828	AQRPFERSDFSDSIK	75 / 8 AA	214
Phosphosite 11:	SLIT3	O75094	S493	SGSEDYRSRFSSECF	100 / 6 AA	168
Phosphosite 12:	KRT75	O95678	S33	AAGRSRFSSVSVARS	100 / 6 AA	60
Phosphosite 13:	RNASEN	Q9NRR4	S284	RHRSYERSRERERER	83 / 6 AA	159
Phosphosite 14:	DOCK8	Q8NF50	T1010	KRDSFRRTRFSDRFM	75 / 8 AA	239
Phosphosite 15:	Tiam1	Q13009	S694	SKRRSRFSSLWGLDT	100 / 6 AA	178
Phosphosite 16:	RNASEN	Q9NRR4	Y281	TPSRHRSYERSRERE	83 / 6 AA	159
Phosphosite 17:	SPOCK3	Q9BQ16	S239	TLLRPERSRFDTSIL	71 / 7 AA	49
Phosphosite 18:	VWA2	Q5GFL6	S70	GKGSFERSKHFAITV	83 / 6 AA	82
Phosphosite 19:	SLIT3	O75094	S496	EDYRSRFSSECFMDL	100 / 6 AA	168
Phosphosite 20:	KRTCAP2	Q8N6L1	T7	_MRIANRTRFSSPFL	71 / 7 AA	18