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:	S331
P-Site Sequence:	FPTQRDSSLFYHCLK
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	S331	FPTQRDSSLFYHCLK	100 / 9 AA	60
Phosphosite 1:	TBX4	P57082	S330	TFPTQRDSSLFYHCL	100 / 8 AA	60
Phosphosite 2:	MAP3K15	Q6ZN16	S135	SDVSRQPSLFYHLGV	75 / 8 AA	147
Phosphosite 3:	ASK1	Q99683	S164	SDAFRQPSLFYHLGV	75 / 8 AA	155
Phosphosite 4:	EMX2	Q04743	S117	ASQQRDPSTFYPWLI	66 / 9 AA	28
Phosphosite 5:	SPATA13	Q96N96	S638	AEPKRKSSLFWHTFN	66 / 9 AA	75
Phosphosite 6:	Shc4	Q6S5L8	S449	VQSQRDTSLLKHTCR	66 / 9 AA	69
Phosphosite 7:	MYO18B	Q8IUG5	S2021	ESQQRESSQYYQRRL	55 / 9 AA	285
Phosphosite 8:	ZNF137	P52743	Y61	SGKSSLFYHQAIHGV	100 / 6 AA	24
Phosphosite 9:	ZNF137	P52743	S58	KALSGKSSLFYHQAI	100 / 6 AA	24
Phosphosite 10:	TBX4	P57082	Y334	QRDSSLFYHCLKRRD	100 / 6 AA	60
Phosphosite 11:	VWA5B1	Q5TIE3	S603	HSQESGSSVFYHSQD	55 / 9 AA	134
Phosphosite 12:	MYO18B	Q8IUG5	S2020	SESQQRESSQYYQRR	62 / 8 AA	285
Phosphosite 13:	Wnk3	Q9BYP7	S1463	QAYAQTQSSLFYSPS	75 / 8 AA	192
Phosphosite 14:	Wnk3	Q9BYP7	S1464	AYAQTQSSLFYSPSS	75 / 8 AA	192
Phosphosite 15:	PRKCI	P41743	S8	MPTQRDSSTMSHTVA	66 / 9 AA	68
Phosphosite 16:	HECTD1	Q9ULT8	S430	NRGQRSSSLHYAACF	75 / 8 AA	290
Phosphosite 17:	HECTD1	Q9ULT8	S429	VNRGQRSSSLHYAAC	75 / 8 AA	290
Phosphosite 18:	Shc4	Q6S5L8	T448	GVQSQRDTSLLKHTC	71 / 7 AA	69
Phosphosite 19:	USP24	Q9UPU5	S2248	ILEKTLDSALFYQDK	83 / 6 AA	294
Phosphosite 20:	FSTL4	Q6MZW2	S798	THRIMRDSGLFGQYL	71 / 7 AA	93