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:	T521
P-Site Sequence:	NEFLYSQTFSLSRES
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	T521	NEFLYSQTFSLSRES	100 / 9 AA	60
Phosphosite 1:	TBX4	P57082	S519	AANEFLYSQTFSLSR	100 / 7 AA	60
Phosphosite 2:	TBX4	P57082	S523	FLYSQTFSLSRESSL	100 / 7 AA	60
Phosphosite 3:	TBX4	P57082	Y518	NAANEFLYSQTFSLS	100 / 6 AA	60
Phosphosite 4:	SirT2	Q8IXJ6	T48	LRNLFSQTLSLGSQK	66 / 9 AA	43
Phosphosite 5:	MAP1B	P46821	S1797	RESSPLYSPTFSDST	85 / 7 AA	271
Phosphosite 6:	MAP1B	P46821	T1799	SSPLYSPTFSDSTSA	85 / 7 AA	271
Phosphosite 7:	ZC3H12C	Q9C0D7	Y793	AYGYRQTYSLPDNST	62 / 8 AA	99
Phosphosite 8:	LRRC36	Q1X8D7	T340	YDSCYSQTLSLHGSL	85 / 7 AA	84
Phosphosite 9:	ZC3H12C	Q9C0D7	T792	DAYGYRQTYSLPDNS	62 / 8 AA	99
Phosphosite 10:	MYPN	Q86TC9	S719	APSSQTFSLARPKYF	85 / 7 AA	145
Phosphosite 11:	MDN1	Q9NU22	T739	FEELFAQTFSKKQNF	71 / 7 AA	633
Phosphosite 12:	Adenylate cyclase 3	O60266	Y915	KKRDEELYSQTYDEI	83 / 6 AA	129
Phosphosite 13:	Adenylate cyclase 3	O60266	S916	KRDEELYSQTYDEIG	83 / 6 AA	129
Phosphosite 14:	LOC375337	Q8N9V7	T1476	AKSLYRQTFEVLQNL	83 / 6 AA	191
Phosphosite 15:	MYPN	Q86TC9	T717	VKAPSSQTFSLARPK	85 / 7 AA	145
Phosphosite 16:	C20orf132	Q9H579	Y214	TCNTECLYRQTFQAF	83 / 6 AA	55
Phosphosite 17:	LRRC70	Q7Z2Q7	T295	LENLNSDTFSLLKNL	75 / 8 AA	70
Phosphosite 18:	GATA4	P43694	S385	SSVSQTFSVSAMSGH	85 / 7 AA	45
Phosphosite 19:	GATA4	P43694	T383	HSSSVSQTFSVSAMS	85 / 7 AA	45
Phosphosite 20:	GIN1	Q9NXP7	T507	HSSLEKQTFSLLDSS	75 / 8 AA	60