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:	USE1
Human P-Site:	T141
P-Site Sequence:	EMDVRKRTGVAGSQP
UniProt:	Q9NZ43
Intern. Prot. ID:	IPI00020515

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USE1	Q9NZ43	T141	EMDVRKRTGVAGSQP	100 / 9 AA	29
Phosphosite 1:	TTMA	A6NKL6	S330	YSVYRERSGVAGSRR	75 / 8 AA	64
Phosphosite 2:	DUX4	Q9UBX2	T99	PEGRRKRTAVTGSQT	75 / 8 AA	45
Phosphosite 3:	PHF3	Q92576	Y1298	YFSSRKRYGVAANNM	75 / 8 AA	229
Phosphosite 4:	POU4F3	Q15319	S280	ERKRKRTSIAAPEKR	62 / 8 AA
Phosphosite 5:	POU4F1	Q01851	S362	EKKRKRTSIAAPEKR	62 / 8 AA	43
Phosphosite 6:	CABP4	P57796	T55	LRGSRKRTGSSGEQT	75 / 8 AA	30
Phosphosite 7:	POU4F3	Q15319	T279	SERKRKRTSIAAPEK	62 / 8 AA
Phosphosite 8:	POU4F1	Q01851	T361	GEKKRKRTSIAAPEK	62 / 8 AA	43
Phosphosite 9:	Bcr	P11274	T1049	RMPSRKQTGVFGVKI	75 / 8 AA	143
Phosphosite 10:	SNX13	Q9Y5W8	T873	DKSIRMRTRVAGKTK	66 / 9 AA	112
Phosphosite 11:	C15orf52	Q6ZUT6	T525	TAGVRRRTGRPGPAG	66 / 9 AA	57
Phosphosite 12:	DUX3	Q96PT4	T126	QKGRRKRTAITGSQT	62 / 8 AA	22
Phosphosite 13:	DUX5	Q96PT3	T126	QKGRRKRTAITGSQT	62 / 8 AA	22
Phosphosite 14:	DUX1	O43812	T99	QKGRRKRTAITGSQT	62 / 8 AA	19
Phosphosite 15:	JPH4	Q96JJ6	T212	GASSRKRTPAAGGFF	75 / 8 AA	66
Phosphosite 16:	RGS9BP	Q6ZS82	T115	PRRPLVRTGVAGASS	100 / 6 AA	25
Phosphosite 17:	TWISTNB	Q3B726	T69	RYLNRKRTGIREQLD	83 / 6 AA	37
Phosphosite 18:	SLC1A3	P43003	T26	QQGVRKRTLLAKKKV	75 / 8 AA	60
Phosphosite 19:	C16orf88	Q1ED39	S297	KKKKRKESGVAGDPW	75 / 8 AA	52
Phosphosite 20:	RHPN2	Q8IUC4	T55	LKAVRMRTGAENLLK	62 / 8 AA	77