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:	S436
P-Site Sequence:	HRPGTHDSEGYWKDY
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	S436	HRPGTHDSEGYWKDY	100 / 9 AA	91
Phosphosite 1:	DBN1	Q16643	S594	QKEGTQASEGYFSQS	66 / 9 AA	71
Phosphosite 2:	PLCXD2	Q0VAA5	S59	AIPGSHDSFSYWVDE	66 / 9 AA	35
Phosphosite 3:	LRRC9	Q6ZRR7	S462	ENEDMHDSESYRRML	55 / 9 AA	128
Phosphosite 4:	SLC17A4	Q9Y2C5	S85	TERPSTDSQGYWNET	83 / 6 AA	54
Phosphosite 5:	EIF3A	Q14152	S895	SRWGDRDSEGTWRKG	66 / 9 AA	167
Phosphosite 6:	OR4C15	Q8NGM1	S229	LSLRTHSSEGRWKAL	75 / 8 AA	36
Phosphosite 7:	ACER3	Q9NUN7	Y10	PAADREGYWGPTTST	83 / 6 AA	32
Phosphosite 8:	MARCH-X	Q8NA82	T433	SVEHRPGTHDSEGYW	100 / 6 AA	91
Phosphosite 9:	ESF1	Q9H501	S222	QLIMTRDSDGYENST	71 / 7 AA	99
Phosphosite 10:	ALKBH5	Q6P6C2	S364	RRRGSFSSENYWRKS	55 / 9 AA	51
Phosphosite 11:	PAPPA2	Q9BXP8	S905	SSRRVCDSSGYWTPE	62 / 8 AA	199
Phosphosite 12:	PAPPA2	Q9BXP8	S906	SRRVCDSSGYWTPEE	62 / 8 AA	199
Phosphosite 13:	ZNF215	Q9UL58	S44	PVVETHDSEASRQKF	62 / 8 AA	60
Phosphosite 14:	PAPPA2	Q9BXP8	Y908	RVCDSSGYWTPEEAV	83 / 6 AA	199
Phosphosite 15:	KIF4A	O95239	S1136	TVERTQDSEGSFKLE	62 / 8 AA	140
Phosphosite 16:	RFTN2	Q52LD8	S385	TPVLRHDSEGNLATK	71 / 7 AA	56
Phosphosite 17:	EML6	Q6ZMW3	T300	ADRLLAGTQDSEIFE	83 / 6 AA	217
Phosphosite 18:	FAM40A	Q5VSL9	S59	NRNQRKDSEGYSESP	83 / 6 AA	96
Phosphosite 19:	FAM40A	Q5VSL9	Y62	QRKDSEGYSESPDLE	83 / 6 AA	96
Phosphosite 20:	EIF3A	Q14152	T898	GDRDSEGTWRKGPEA	83 / 6 AA	167