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:	S103
P-Site Sequence:	LPAIDQTSVKQKHKS
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	S103	LPAIDQTSVKQKHKS	100 / 9 AA	91
Phosphosite 1:	MARCH-X	Q8NA82	T102	KLPAIDQTSVKQKHK	100 / 8 AA	91
Phosphosite 2:	AOX1	Q06278	T962	MYKEIDQTPYKQEIN	75 / 8 AA	148
Phosphosite 3:	PKCh	P24723	S58	QVRVGQTSTKQKTNK	66 / 9 AA	78
Phosphosite 4:	USP13	Q92995	S657	PSDIDESSVMQLAEM	62 / 8 AA	97
Phosphosite 5:	KIAA1671	Q9BY89	T1635	DFSFIDQTSVLDSSA	100 / 6 AA	197
Phosphosite 6:	USP13	Q92995	S656	DPSDIDESSVMQLAE	62 / 8 AA	97
Phosphosite 7:	TRPV6	Q9H1D0	T311	ARQILDQTPVKELVS	62 / 8 AA	83
Phosphosite 8:	MUT	P22033	S509	VLAIDNTSVRNRQIE	55 / 9 AA	83
Phosphosite 9:	CAPN7	Q9Y6W3	S165	VGKISSTSVKPKPPP	66 / 9 AA	93
Phosphosite 10:	PTPN14	Q15678	S815	ISEPDLTSVKERVKK	62 / 8 AA	135
Phosphosite 11:	CCNT2	O60583	S405	DKISDHSSVKQEYTH	71 / 7 AA	81
Phosphosite 12:	NOP58	Q9Y2X3	S483	VAEEEETSVKKKKKR	62 / 8 AA	60
Phosphosite 13:	RbBP6	Q7Z6E9	T1611	TGQIDKSTVKPKPQL	55 / 9 AA	202
Phosphosite 14:	MUT	P22033	T508	EVLAIDNTSVRNRQI	71 / 7 AA	83
Phosphosite 15:	C3orf62	Q6ZUJ4	T182	LLDMIDHTSIRTIEE	57 / 7 AA	30
Phosphosite 16:	C3orf62	Q6ZUJ4	S183	LDMIDHTSIRTIEEL	57 / 7 AA	30
Phosphosite 17:	Wee1	P30291	S205	ARGIDSSSVKLRGSS	55 / 9 AA	72
Phosphosite 18:	DYNC1H1	Q14204	T2699	FYRTSDQTWVKLERI	83 / 6 AA	532
Phosphosite 19:	PTPN9	P43378	T342	DVPCLDQTRVKLTKR	71 / 7 AA	68
Phosphosite 20:	ANLN	Q9NQW6	S251	ASARINSSSVKQEAT	62 / 8 AA	124