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:	S158
P-Site Sequence:	ESHSPRASGDRSRQK
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	S158	ESHSPRASGDRSRQK	100 / 9 AA	91
Phosphosite 1:	GLS	O94925	S384	TFQSERESGDRNFAI	66 / 9 AA	73
Phosphosite 2:	ITFG1	Q8TB96	S523	YVGIPRPSGEKSIRK	62 / 8 AA	68
Phosphosite 3:	KCNH3	Q9ULD8	S922	EGPCPRASGEGPCPA	71 / 7 AA	117
Phosphosite 4:	KIAA1688	Q9C0H5	S119	NTESPRASAESSPGR	66 / 9 AA	121
Phosphosite 5:	DDEFL1	Q8TDY4	S773	QGCARHASGDRSEVS	85 / 7 AA	99
Phosphosite 6:	ZDHHC23	Q8IYP9	S200	GYLSNPASGDRSLSS	77 / 9 AA	46
Phosphosite 7:	WDR62	O43379	S509	PDGQHLASGDRSGNL	100 / 6 AA	166
Phosphosite 8:	UNC13C	Q8NB66	S637	SNGMVCASGDRSHYS	100 / 6 AA	251
Phosphosite 9:	RRP9	O43818	S216	SDGKYLASGDRSKLI	100 / 6 AA	52
Phosphosite 10:	SAPS1	Q9UPN7	S730	APTSPRVSGEEELHT	71 / 7 AA	97
Phosphosite 11:	ZNF296	Q8WUU4	S222	EAKSPRASGSGLTRR	100 / 6 AA	51
Phosphosite 12:	FUT4	P22083	S89	APFHSRASGERQRRL	83 / 6 AA	59
Phosphosite 13:	Rho guanine nucleotide exchange factor 37	A1IGU5	S23	PDREGRASEDRSLLH	85 / 7 AA	76
Phosphosite 14:	CYP1A2	P05177	S298	SKKGPRASGNLIPQE	71 / 7 AA	58
Phosphosite 15:	ACOX3	O15254	S386	ELQRGLASGDRSARQ	100 / 6 AA	78
Phosphosite 16:	DNAJC1	Q96KC8	S516	LQQYPRGSSDRWDKI	62 / 8 AA	64
Phosphosite 17:	DNAJC1	Q96KC8	S517	QQYPRGSSDRWDKIA	62 / 8 AA	64
Phosphosite 18:	SH3PXD2A	Q5TCZ1	S581	EPVEDRASGERRPAQ	83 / 6 AA	125
Phosphosite 19:	PDZD4	Q76G19	S381	GLLFPRASGGNSALD	75 / 8 AA	86
Phosphosite 20:	FASTKD5	Q7L8L6	T99	QLGSPRATGVDEEDV	83 / 6 AA	87