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:	S523
P-Site Sequence:	FLYSQTFSLSRESSL
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	S523	FLYSQTFSLSRESSL	100 / 9 AA	60
Phosphosite 1:	C1orf128	Q9GZP4	S128	REPDQTFSLNRDLTG	75 / 8 AA	24
Phosphosite 2:	MYPN	Q86TC9	S719	APSSQTFSLARPKYF	87 / 8 AA	145
Phosphosite 3:	TBX4	P57082	S525	YSQTFSLSRESSLQY	100 / 7 AA	60
Phosphosite 4:	CREB3	O43889	S82	VHHDHTYSLPRETVS	62 / 8 AA	44
Phosphosite 5:	CHST5	Q9GZS9	S181	LCTRQPFSLAREACR	75 / 8 AA	46
Phosphosite 6:	NEXN	Q0ZGT2	S428	ENETFGLSREYEELI	85 / 7 AA	81
Phosphosite 7:	TBX4	P57082	T521	NEFLYSQTFSLSRES	100 / 7 AA	60
Phosphosite 8:	TOPORS	Q9NS56	S661	SRRSQTLSLSSESTS	77 / 9 AA	119
Phosphosite 9:	EDC3	Q96F86	S36	DQVSQTISLTRPFHN	75 / 8 AA	56
Phosphosite 10:	MYPN	Q86TC9	T717	VKAPSSQTFSLARPK	85 / 7 AA	145
Phosphosite 11:	NKAIN4	Q8IVV8	S99	DSELLTFSLSRHRSW	100 / 6 AA	23
Phosphosite 12:	NKAIN4	Q8IVV8	S101	ELLTFSLSRHRSWWR	100 / 6 AA	23
Phosphosite 13:	SLAIN1	Q8ND83	S356	IPHSQTFSSIRECRR	77 / 9 AA	61
Phosphosite 14:	DYNC2H1	Q8NCM8	S1852	LVAIFNLSRELLTPQ	71 / 7 AA	493
Phosphosite 15:	RalGDS	Q12967	S526	FSDENNYSLSRELLI	71 / 7 AA	101
Phosphosite 16:	Putative uncharacterized protein LOC151760	Q1RN00	S135	SCVCQTFSRSRKQKP	66 / 9 AA	22
Phosphosite 17:	GATA4	P43694	S385	SSVSQTFSVSAMSGH	85 / 7 AA	45
Phosphosite 18:	NLRP2	Q9NX02	S34	KYLITTFSLAHELQK	71 / 7 AA	121
Phosphosite 19:	GATA4	P43694	T383	HSSSVSQTFSVSAMS	85 / 7 AA	45
Phosphosite 20:	ITIH2	P19823	S790	SHGSSTFSLSWSDTA	75 / 8 AA	106