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:	S537
P-Site Sequence:	YGYNFSTSPKLAASP
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	S537	YGYNFSTSPKLAASP	100 / 9 AA	65
Phosphosite 1:	TBX15	Q96SF7	S525	YGYNFPTSPRLAASP	77 / 9 AA	66
Phosphosite 2:	TBX18	O95935	S535	ALYGYNFSTSPKLAA	100 / 7 AA	65
Phosphosite 3:	USP4	Q13107	T243	APSRNFTTSPKSSAS	85 / 7 AA	109
Phosphosite 4:	USP4	Q13107	T242	TAPSRNFTTSPKSSA	85 / 7 AA	109
Phosphosite 5:	USP4	Q13107	S244	PSRNFTTSPKSSASP	85 / 7 AA	109
Phosphosite 6:	LPPR4	Q7Z2D5	S545	EETQENISTSPKSSS	85 / 7 AA	88
Phosphosite 7:	ZNF148	Q9UQR1	S306	EDSGFSTSPKDNSLP	100 / 6 AA	89
Phosphosite 8:	LPPR4	Q7Z2D5	T546	ETQENISTSPKSSSA	85 / 7 AA	88
Phosphosite 9:	WDHD1	O75717	T1117	QKPLDFSTNQKLSAF	62 / 8 AA	126
Phosphosite 10:	USP36	Q9P275	S582	RDVVLSTSPKLLATA	85 / 7 AA	123
Phosphosite 11:	ZNF148	Q9UQR1	T305	EEDSGFSTSPKDNSL	100 / 6 AA	89
Phosphosite 12:	ZNF148	Q9UQR1	S304	SEEDSGFSTSPKDNS	100 / 6 AA	89
Phosphosite 13:	KIAA0895	Q8NCT3	S59	AKLKFSTSEKLHWPE	75 / 8 AA	61
Phosphosite 14:	C12orf42	Q96LP6	S74	HMKNFSESPKFRSLH	75 / 8 AA	40
Phosphosite 15:	LPPR4	Q7Z2D5	S547	TQENISTSPKSSSAR	85 / 7 AA	88
Phosphosite 16:	GATAD2A	Q86YP4	S548	VLHTFSPSPKLQNSA	85 / 7 AA	68
Phosphosite 17:	USP15	Q9Y4E8	T237	PGASNFSTLPKISPS	75 / 8 AA	112
Phosphosite 18:	C12orf42	Q96LP6	S72	INHMKNFSESPKFRS	85 / 7 AA	40
Phosphosite 19:	THRAP3	Q9Y2W1	S919	MFRKSSTSPKWAHDK	85 / 7 AA	109
Phosphosite 20:	PRSS23	O95084	S153	LNYPFSTSVKLSTGC	75 / 8 AA	43