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:	TBX4
Human P-Site:	Y439
P-Site Sequence:	QTMETVPYQPFPTHF
UniProt:	P57082
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TBX4	P57082	Y439	QTMETVPYQPFPTHF	100 / 9 AA	60
Phosphosite 1:	PSMD1	Q99460	Y900	TMPETCRYQPFKPLS	75 / 8 AA	106
Phosphosite 2:	PCBP1	Q15365	Y183	GRVMTIPYQPMPASS	75 / 8 AA	37
Phosphosite 3:	TBX4	P57082	T436	YSVQTMETVPYQPFP	100 / 6 AA	60
Phosphosite 4:	C17orf47	Q8NEP4	Y253	EESETGPYGPIPSKP	66 / 9 AA	63
Phosphosite 5:	C7orf10	Q9HAC7	Y278	AHGSIVPYQAFKTKD	71 / 7 AA	48
Phosphosite 6:	EIF3D	O15371	Y30	EQFRDMPYQPFSKGD	71 / 7 AA	64
Phosphosite 7:	RapGEF1	Q13905	Y504	APIPSVPYAPFAAIL	71 / 7 AA	121
Phosphosite 8:	GLCCI1	Q86VQ1	Y70	PIRATVPYQLLRGSQ	55 / 9 AA	58
Phosphosite 9:	C17orf73	Q53H64	Y24	SYPWCRSYQPFPRKR	83 / 6 AA	17
Phosphosite 10:	RTL1	A6NKG5	Y701	ELEEMKSYQPFALSP	55 / 9 AA	155
Phosphosite 11:	FAM83B	Q5T0W9	Y399	EQPETVPYLLLNRAL	62 / 8 AA	115
Phosphosite 12:	XBP1	P17861	Y241	TQKDPVPYQPPFLCQ	71 / 7 AA	29
Phosphosite 13:	GluR-delta2	O43424	Y987	KTMSSIPYQPTPTLG	62 / 8 AA	113
Phosphosite 14:	USP45	Q70EL2	T454	RKLSSGETVTYQKNE	83 / 6 AA	92
Phosphosite 15:	COL6A6	A6NMZ7	Y1833	REIETIPYERSSASR	57 / 7 AA	247
Phosphosite 16:	RTL1	A6NKG5	S700	LELEEMKSYQPFALS	62 / 8 AA	155
Phosphosite 17:	REEP3	Q6NUK4	Y170	EPVGQRPYQPLPEAK	83 / 6 AA	29
Phosphosite 18:	USP45	Q70EL2	Y457	SSGETVTYQKNENLE	83 / 6 AA	92
Phosphosite 19:	RACGAP1	Q9H0H5	Y241	STIETVPYWTRSRRK	100 / 5 AA	71
Phosphosite 20:	ASTN2	O75129	T1292	YIQSRVETVPYLFCR	100 / 5 AA	148