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:	S344
P-Site Sequence:	ENCRGHSSRRSEPSH
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	S344	ENCRGHSSRRSEPSH	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	S343	AENCRGHSSRRSEPS	100 / 8 AA	91
Phosphosite 2:	TRIP6	Q15654	S115	NGGRGHASRRPDRQA	66 / 9 AA	50
Phosphosite 3:	ZC3H13	Q5T200	S1275	QDSRSHSSRRSSPES	87 / 8 AA	197
Phosphosite 4:	ZC3H13	Q5T200	S1274	RQDSRSHSSRRSSPE	87 / 8 AA	197
Phosphosite 5:	SPIRE1	Q08AE8	S652	ALQRGESSMRSEKPS	77 / 9 AA	86
Phosphosite 6:	KIAA1267	Q7Z3B3	S793	MRLRDHSSERSEVLK	77 / 9 AA	121
Phosphosite 7:	A2ML1	A8K2U0	S655	PMPQGHSSQRSIIWR	75 / 8 AA	161
Phosphosite 8:	A2ML1	A8K2U0	S654	DPMPQGHSSQRSIIW	75 / 8 AA	161
Phosphosite 9:	SF2	Q07955	S116	RGRYGPPSRRSENRV	75 / 8 AA	28
Phosphosite 10:	ATP8B1	O43520	T1204	VFRRGVSTRRSAYAF	66 / 9 AA	144
Phosphosite 11:	DLG5	Q8TDM6	S1161	PYSPGHSSRHSNPPL	75 / 8 AA	214
Phosphosite 12:	Polycystin 2	Q13563	S823	DDEDSGHSSRRRGSI	100 / 6 AA	110
Phosphosite 13:	BAZ1B	Q9UIG0	T1312	PGKKPHSTRRSQPKA	55 / 9 AA	171
Phosphosite 14:	Polycystin 2	Q13563	S824	DEDSGHSSRRRGSIS	100 / 6 AA	110
Phosphosite 15:	Putative uncharacterized protein LOC100130201	P0C867	S30	CRIRGHRSRQREGVT	66 / 9 AA	13
Phosphosite 16:	DLG5	Q8TDM6	S1160	APYSPGHSSRHSNPP	85 / 7 AA	214
Phosphosite 17:	CXCL17	Q6UXB2	S39	HRDRGQASRRWLQEG	62 / 8 AA	14
Phosphosite 18:	TNC	P24821	S1334	HGEVRGHSTRPLAVE	83 / 6 AA	241
Phosphosite 19:	ANK3	Q12955	S2949	GGLLDQPSRRSESSA	62 / 8 AA	480
Phosphosite 20:	ZNF469	Q96JG9	S1862	CVSNTHPSRRSQDPA	71 / 7 AA	259