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-IV
Human P-Site:	S339
P-Site Sequence:	TNPRTSSSTQANIPS
UniProt:	Q9P2E8
Intern. Prot. ID:	IPI00002144

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MARCH-IV	Q9P2E8	S339	TNPRTSSSTQANIPS	100 / 9 AA	46
Phosphosite 1:	MARCH-IV	Q9P2E8	S338	RTNPRTSSSTQANIP	100 / 8 AA	46
Phosphosite 2:	MARCH-IV	Q9P2E8	T340	NPRTSSSTQANIPSS	100 / 8 AA	46
Phosphosite 3:	PTPN4	P29074	S440	VNQRSPSSTQANSIV	77 / 9 AA	106
Phosphosite 4:	MARCH-IV	Q9P2E8	S337	GRTNPRTSSSTQANI	100 / 7 AA	46
Phosphosite 5:	PACRGL	Q8N7B6	S27	YDQRTSSSTQLKHRN	100 / 7 AA	27
Phosphosite 6:	PACRGL	Q8N7B6	S26	NYDQRTSSSTQLKHR	100 / 7 AA	27
Phosphosite 7:	PACRGL	Q8N7B6	S25	GNYDQRTSSSTQLKH	100 / 7 AA	27
Phosphosite 8:	CDY1	Q9Y6F8	S85	ARRRTSRSTKANYSK	77 / 9 AA	60
Phosphosite 9:	CDY2A	Q9Y6F7	S85	ARRRTSRSTKANYSK	77 / 9 AA	61
Phosphosite 10:	HSPA1L	P34931	S279	AKRTLSSSTQANLEI	100 / 7 AA	70
Phosphosite 11:	CIZ1	Q9ULV3	S190	KQARTSSSTTPNRKD	77 / 9 AA	100
Phosphosite 12:	PTPN4	P29074	S439	FVNQRSPSSTQANSI	75 / 8 AA	106
Phosphosite 13:	C20orf112	Q96MY1	S59	LNPSTSSSTQGDPAF	75 / 8 AA	47
Phosphosite 14:	SCN10A	Q9Y5Y9	S1938	RVNMRTSSSIQNEDE	85 / 7 AA	221
Phosphosite 15:	SCN10A	Q9Y5Y9	S1937	DRVNMRTSSSIQNED	85 / 7 AA	221
Phosphosite 16:	SCN10A	Q9Y5Y9	S1939	VNMRTSSSIQNEDEA	85 / 7 AA	221
Phosphosite 17:	CLK4	Q9HAZ1	S36	RKRRSHSSTQENRHC	66 / 9 AA	57
Phosphosite 18:	DDB1	Q16531	S757	TALRPSASTQALSSS	75 / 8 AA	127
Phosphosite 19:	KOR-3	P41146	S165	ALDVRTSSKAQAVNV	75 / 8 AA	41
Phosphosite 20:	ZFC3H1	O60293	S804	DQLKTSSSSPANSDV	66 / 9 AA	226