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:	S83
P-Site Sequence:	DALTEPRSSIKISAF
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	S83	DALTEPRSSIKISAF	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	S84	ALTEPRSSIKISAFK	100 / 8 AA	91
Phosphosite 2:	BTN3A1	O00481	T449	RTLTEPRTNLKLPKP	55 / 9 AA	58
Phosphosite 3:	BTN3A3	O00478	T450	RALTEPRTNLKLPEP	55 / 9 AA	65
Phosphosite 4:	SYT7	O43581	S102	DRRTEPRSSVSDLVN	85 / 7 AA	46
Phosphosite 5:	ZCCHC14	Q8WYQ9	S547	NKGSGPRSSMKVDKS	55 / 9 AA	100
Phosphosite 6:	TTN	Q8WZ42	S30854	SEVIECRSSIRIPGP	75 / 8 AA	3816
Phosphosite 7:	TTN	Q8WZ42	S30855	EVIECRSSIRIPGPP	75 / 8 AA	3816
Phosphosite 8:	ZCCHC14	Q8WYQ9	S548	KGSGPRSSMKVDKSF	71 / 7 AA	100
Phosphosite 9:	MYPN	Q86TC9	S590	VNHNEPRSSSRIGLR	66 / 9 AA	145
Phosphosite 10:	BRWD3	Q6RI45	T1569	GDGREPRTGIKRKLL	71 / 7 AA	204
Phosphosite 11:	ABCA13	Q86UQ4	S3086	KLTEELRSSIQISNE	75 / 8 AA	576
Phosphosite 12:	MYPN	Q86TC9	S591	NHNEPRSSSRIGLRV	75 / 8 AA	145
Phosphosite 13:	CUX2	O14529	S921	ASPTEPRSSPSPPPS	100 / 6 AA	154
Phosphosite 14:	ABCA13	Q86UQ4	S3087	LTEELRSSIQISNET	75 / 8 AA	576
Phosphosite 15:	ROCK2	O75116	S1366	ARSSPRTSMKIQQNQ	71 / 7 AA	161
Phosphosite 16:	OLFML2A	Q68BL7	S345	DEAEPRSSERVDLAS	62 / 8 AA	73
Phosphosite 17:	REV3	O60673	S572	ATLEPSSSAKITFQC	75 / 8 AA	353
Phosphosite 18:	ROCK2	O75116	T1365	FARSSPRTSMKIQQN	71 / 7 AA	161
Phosphosite 19:	SYT7	O43581	S103	RRTEPRSSVSDLVNS	83 / 6 AA	46
Phosphosite 20:	REV3	O60673	S571	AATLEPSSSAKITFQ	75 / 8 AA	353