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:	S227
P-Site Sequence:	KGDPSAPSQSELHPA
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	S227	KGDPSAPSQSELHPA	100 / 9 AA	91
Phosphosite 1:	SRRM2	Q9UQ35	S2415	RTPPSAPSQSRMTSE	77 / 9 AA	300
Phosphosite 2:	TrpC6	Q9Y210	S197	KRLATSPSQSELQQD	66 / 9 AA	106
Phosphosite 3:	CCDC144NL	Q6NUI1	S142	NNNPAAPSQAEGGEG	75 / 8 AA	24
Phosphosite 4:	TXNDC11	Q6PKC3	S221	KPLLYIPSQSELLDF	100 / 6 AA	111
Phosphosite 5:	UBR4	Q5T4S7	S4088	DGNGKAPSKSELRHL	85 / 7 AA	574
Phosphosite 6:	TrpC6	Q9Y210	S199	LATSPSQSELQQDDF	85 / 7 AA	106
Phosphosite 7:	UBR4	Q5T4S7	S4090	NGKAPSKSELRHLYL	85 / 7 AA	574
Phosphosite 8:	TOM1L1	O75674	S314	TSEPSAPSQDLLDLS	77 / 9 AA	53
Phosphosite 9:	CEP68	Q76N32	S535	ASFPSSSSQSQLPPG	66 / 9 AA	81
Phosphosite 10:	NCAPH	Q15003	S459	KQDAPSQSENKKKST	100 / 6 AA	83
Phosphosite 11:	MPDZ	O75970	S1283	INADKAPSQSESEPE	100 / 6 AA	219
Phosphosite 12:	NCAPH	Q15003	S457	RRKQDAPSQSENKKK	100 / 6 AA	83
Phosphosite 13:	C2orf78	A6NCI8	S676	EKECTSPSHSELPPP	62 / 8 AA	97
Phosphosite 14:	MARCH-X	Q8NA82	S224	RAKKGDPSAPSQSEL	100 / 6 AA	91
Phosphosite 15:	SPATA1	Q5VX52	S9	SLNPSRPSSSELVEL	77 / 9 AA	50
Phosphosite 16:	PSD3	Q9NYI0	S119	KDVREAPSQSHLKEQ	85 / 7 AA	116
Phosphosite 17:	C3orf70	A6NLC5	S238	TLLSPSQSDLEVIET	71 / 7 AA	28
Phosphosite 18:	PRRT3	Q5FWE3	S800	VGPAPSLSELDLRPP	85 / 7 AA	102
Phosphosite 19:	ARHGAP17	Q68EM7	S693	PGQPSAPSQLSAPRR	100 / 6 AA	95
Phosphosite 20:	PRRT3	Q5FWE3	S798	NGVGPAPSLSELDLR	85 / 7 AA	102