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:	TBX18
Human P-Site:	S535
P-Site Sequence:	ALYGYNFSTSPKLAA
UniProt:	O95935
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TBX18	O95935	S535	ALYGYNFSTSPKLAA	100 / 9 AA	65
Phosphosite 1:	TBX18	O95935	S537	YGYNFSTSPKLAASP	100 / 7 AA	65
Phosphosite 2:	SLITRK2	Q9H156	T778	LVHYNFCTLPKRQFA	75 / 8 AA	95
Phosphosite 3:	NPAT	Q14207	S962	GQNGNNFSTPPREVL	66 / 9 AA	154
Phosphosite 4:	AlphaK3	Q96QP1	S393	MGKLYNFSTSSRSQD	75 / 8 AA	139
Phosphosite 5:	AlphaK3	Q96QP1	T394	GKLYNFSTSSRSQDR	75 / 8 AA	139
Phosphosite 6:	TBX18	O95935	Y532	SPCALYGYNFSTSPK	100 / 6 AA	65
Phosphosite 7:	USP4	Q13107	T243	APSRNFTTSPKSSAS	85 / 7 AA	109
Phosphosite 8:	USP4	Q13107	T242	TAPSRNFTTSPKSSA	85 / 7 AA	109
Phosphosite 9:	USP4	Q13107	S244	PSRNFTTSPKSSASP	85 / 7 AA	109
Phosphosite 10:	LPPR4	Q7Z2D5	S545	EETQENISTSPKSSS	85 / 7 AA	88
Phosphosite 11:	LPPR4	Q7Z2D5	T546	ETQENISTSPKSSSA	85 / 7 AA	88
Phosphosite 12:	ZNF148	Q9UQR1	S306	EDSGFSTSPKDNSLP	100 / 6 AA	89
Phosphosite 13:	LPPR4	Q7Z2D5	S547	TQENISTSPKSSSAR	85 / 7 AA	88
Phosphosite 14:	ZNF148	Q9UQR1	T305	EEDSGFSTSPKDNSL	100 / 6 AA	89
Phosphosite 15:	ZNF148	Q9UQR1	S304	SEEDSGFSTSPKDNS	100 / 6 AA	89
Phosphosite 16:	ACTBL2	Q562R1	Y199	KILTERGYNFTTTAE	83 / 6 AA	42
Phosphosite 17:	ZNF763	Q0D2J5	S382	KALSYKFSNTPKNAL	55 / 9 AA	46
Phosphosite 18:	TBX15	Q96SF7	S525	YGYNFPTSPRLAASP	71 / 7 AA	66
Phosphosite 19:	C12orf42	Q96LP6	S72	INHMKNFSESPKFRS	85 / 7 AA	40
Phosphosite 20:	NPAT	Q14207	T963	QNGNNFSTPPREVLH	71 / 7 AA	154