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:	T433
P-Site Sequence:	SVEHRPGTHDSEGYW
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	T433	SVEHRPGTHDSEGYW	100 / 9 AA	91
Phosphosite 1:	MOV10L1	Q9BXT6	T167	EYRIRPGTWSSEATS	75 / 8 AA	135
Phosphosite 2:	BTN2A2	Q8WVV5	T519	LKLHRVGTHQSL___	75 / 8 AA	59
Phosphosite 3:	BTN2A1	Q7KYR7	T523	LTLHRVGTHQSL___	75 / 8 AA	60
Phosphosite 4:	FAM96B	Q9Y3D0	T125	DVHITPGTHASEHAV	85 / 7 AA
Phosphosite 5:	BTN2A3	Q96KV6	T491	WTLHRAGTHHSPQNQ	75 / 8 AA	66
Phosphosite 6:	MARCH-X	Q8NA82	S436	HRPGTHDSEGYWKDY	100 / 6 AA	91
Phosphosite 7:	SRCAP	Q6ZRS2	T2393	KAPERPGTRVSERLR	75 / 8 AA	344
Phosphosite 8:	CRB2	Q5IJ48	T8	MALARPGTPDPQALA	62 / 8 AA	134
Phosphosite 9:	GJA12	Q5T442	T411	GEQGRPGTHERPGAK	83 / 6 AA	47
Phosphosite 10:	DBN1	Q16643	S320	PFNHRPGSHLDSHRR	83 / 6 AA	71
Phosphosite 11:	NEK1	Q96PY6	T967	DIHIEPGTNDSQHSK	71 / 7 AA	143
Phosphosite 12:	FGD1	P98174	S332	ADPHRPGSQEVDSDL	44 / 9 AA	107
Phosphosite 13:	EML6	Q6ZMW3	T300	ADRLLAGTQDSEIFE	71 / 7 AA	217
Phosphosite 14:	TMEM184A	Q6ZMB5	T387	HEAPRPGTHPSGGSG	85 / 7 AA	46
Phosphosite 15:	UBXN11	Q5T124	S70	VSRQVPASHDSELMA	55 / 9 AA	57
Phosphosite 16:	DACH2	Q96NX9	S389	EENHRPGSQTSSHTS	62 / 8 AA	65
Phosphosite 17:	PHF3	Q92576	T895	EKASKPGTHEKQEMK	50 / 8 AA	229
Phosphosite 18:	C1orf92	Q8N4P6	T19	PRAPRPGTQKSSGAV	71 / 7 AA	62
Phosphosite 19:	ZNF142	P52746	T915	LQPVLPGTQASEDTE	71 / 7 AA	188
Phosphosite 20:	FBXW9	Q5XUX1	T322	IPPHRPITHEAGPAL	62 / 8 AA	54