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:	S64
P-Site Sequence:	FERSRFSSRSSSKQS
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	S64	FERSRFSSRSSSKQS	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	S63	SFERSRFSSRSSSKQ	100 / 8 AA	91
Phosphosite 2:	FIZ1	Q96SL8	S118	VCELRFSSRSSLGRH	100 / 7 AA	52
Phosphosite 3:	FIZ1	Q96SL8	S117	LVCELRFSSRSSLGR	100 / 7 AA	52
Phosphosite 4:	Proline-rich protein 35	P0CG20	S358	PSLTRFCSRSSLPTG	75 / 8 AA
Phosphosite 5:	C1orf63	Q9BUV0	S54	SRVSSRFSSRSRRSK	100 / 7 AA	34
Phosphosite 6:	C1orf63	Q9BUV0	S55	RVSSRFSSRSRRSKS	100 / 7 AA	34
Phosphosite 7:	GOLGA8C	A6NN73	S192	KKAERFSSRSKARME	100 / 6 AA	67
Phosphosite 8:	GOLGA8C	A6NN73	S191	KKKAERFSSRSKARM	100 / 6 AA	67
Phosphosite 9:	MARCH-X	Q8NA82	S66	RSRFSSRSSSKQSSS	100 / 7 AA	91
Phosphosite 10:	IGSF3	O75054	S1151	ILLVRFKSRNSSKNS	75 / 8 AA	135
Phosphosite 11:	MTAP	Q13126	S179	IEGPRFSSRAESFMF	66 / 9 AA	31
Phosphosite 12:	TEC	P42680	S544	FNYSRFSSKSDVWSF	85 / 7 AA	74
Phosphosite 13:	Elk-3	P41970	S241	SSASPFSSRSPSLSP	77 / 9 AA	44
Phosphosite 14:	DUSP27	Q5VZP5	S900	IGSFRYSSRSNSQKP	75 / 8 AA	130
Phosphosite 15:	TEC	P42680	S543	VFNYSRFSSKSDVWS	85 / 7 AA	74
Phosphosite 16:	NXF3	Q9H4D5	S31	DIYQRRFSSRSEPVN	100 / 6 AA	60
Phosphosite 17:	SLC12A6	Q9UHW9	S47	SSRVRFSSRESVPET	85 / 7 AA	128
Phosphosite 18:	NXF3	Q9H4D5	S32	IYQRRFSSRSEPVNP	100 / 6 AA	60
Phosphosite 19:	SLC12A6	Q9UHW9	S46	SSSRVRFSSRESVPE	85 / 7 AA	128
Phosphosite 20:	MYST4	Q8WYB5	S599	DIRSRFISHSSSSSW	77 / 9 AA	231