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:	S347
P-Site Sequence:	RGHSSRRSEPSHGSL
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	S347	RGHSSRRSEPSHGSL	100 / 9 AA	91
Phosphosite 1:	CACNG2	Q9Y698	T244	SRSSSRSTEPSHSRD	77 / 9 AA	36
Phosphosite 2:	HOOK3	Q86VS8	S707	QATSSRRSYPGHVQP	77 / 9 AA	83
Phosphosite 3:	MARCH-X	Q8NA82	S350	SSRRSEPSHGSLRIS	100 / 6 AA	91
Phosphosite 4:	EIF4G3	O43432	S704	LNVGSRRSQPGQRRE	55 / 9 AA	177
Phosphosite 5:	GRID2IP	A4D2P6	T825	LGHRRSETSHMSVKR	85 / 7 AA	132
Phosphosite 6:	MFSD7	Q6UXD7	S404	TALTVRRSEPSLSTC	100 / 6 AA
Phosphosite 7:	GRID2IP	A4D2P6	S823	RGLGHRRSETSHMSV	85 / 7 AA	132
Phosphosite 8:	GATAD2B	Q8WXI9	S112	VDMSARRSEPERGRL	85 / 7 AA	65
Phosphosite 9:	WBP7	Q9UMN6	S952	LAHTPRRSLPSHHGK	66 / 9 AA	294
Phosphosite 10:	C17orf47	Q8NEP4	S53	LNPSHRRSEAAHPTT	66 / 9 AA	63
Phosphosite 11:	GRAMD1A	Q96CP6	S592	GSLSSRFSEPSVDQG	87 / 8 AA	81
Phosphosite 12:	RBM11	P57052	S92	RFGSSRSSEPANQSF	66 / 9 AA	32
Phosphosite 13:	CACNG8	Q8WXS5	S281	SRSSSRSSEPSPSRD	87 / 8 AA	43
Phosphosite 14:	CACNG8	Q8WXS5	S280	RSRSSSRSSEPSPSR	87 / 8 AA	43
Phosphosite 15:	ATRIP	Q8WXE1	S13	APGSKRRSEPPAPRP	85 / 7 AA	86
Phosphosite 16:	FAM47A	Q5JRC9	S352	RRGSSLRSEPSETGV	87 / 8 AA	91
Phosphosite 17:	WDR49	Q8IV35	S345	KLLSAGRSQPSHPMA	66 / 9 AA	79
Phosphosite 18:	PCDHGC3	Q9UN70	S769	LTTDSRRSDPLLKKP	83 / 6 AA	101
Phosphosite 19:	WDR49	Q8IV35	S348	SAGRSQPSHPMADHS	83 / 6 AA	79
Phosphosite 20:	WDR76	Q9H967	S485	RRLNSRRSQPLISLT	71 / 7 AA	70