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:	S312
P-Site Sequence:	VRSPCSPSHHKRSRS
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	S312	VRSPCSPSHHKRSRS	100 / 9 AA	91
Phosphosite 1:	SRRP35	Q8WXF0	S107	ERHPCSPSDHRRSRS	77 / 9 AA	31
Phosphosite 2:	MARCH-X	Q8NA82	S310	VGVRSPCSPSHHKRS	100 / 7 AA	91
Phosphosite 3:	GEMIN8	Q9NWZ8	S91	QDYPCSSSHFRRSGQ	66 / 9 AA	29
Phosphosite 4:	SLC4A9	Q96Q91	S341	PPPKCLPSQHKRLPS	75 / 8 AA	108
Phosphosite 5:	DOT1L	Q8TEK3	S753	EVVPCTPSHVGRPRL	66 / 9 AA	185
Phosphosite 6:	USP20	Q9Y2K6	S394	RSSSRPCSPVHHHEG	85 / 7 AA	102
Phosphosite 7:	NRG2	O14511	S500	FSGSHSCSPSHHCST	100 / 6 AA	92
Phosphosite 8:	SRRP35	Q8WXF0	S105	SKERHPCSPSDHRRS	85 / 7 AA	31
Phosphosite 9:	NRG2	O14511	S502	GSHSCSPSHHCSTAT	100 / 6 AA	92
Phosphosite 10:	C10orf119	Q9BTE3	S162	PSTSYTPSRHKRSYE	62 / 8 AA	73
Phosphosite 11:	HR	O43593	S374	GPRACPPSHHTKLKK	55 / 9 AA	127
Phosphosite 12:	DOT1L	Q8TEK3	T751	DQEVVPCTPSHVGRP	83 / 6 AA	185
Phosphosite 13:	DUS2L	Q9NX74	S447	RLGEESPSLHKRKRE	85 / 7 AA	55
Phosphosite 14:	LOC442780	Q8IX94	S524	EHSPCSPSPLGRPSS	66 / 9 AA	57
Phosphosite 15:	HUNK	P57058	S577	HVEVLSPSHHYRILN	85 / 7 AA	80
Phosphosite 16:	IL22RA1	Q8N6P7	S521	QPPSRPCSPSDQGPS	71 / 7 AA	63
Phosphosite 17:	PAPPA	Q13219	S735	SPMPCSPSGHWSPRE	85 / 7 AA	181
Phosphosite 18:	IL22RA1	Q8N6P7	S523	PSRPCSPSDQGPSPW	71 / 7 AA	63
Phosphosite 19:	PAPPA	Q13219	S733	ASSPMPCSPSGHWSP	85 / 7 AA	181
Phosphosite 20:	RAB37	Q96AX2	S25	RSPPCSPSYDLTGKV	71 / 7 AA	25