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:	S273
P-Site Sequence:	EYPVISKSIMRQRLI
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	S273	EYPVISKSIMRQRLI	100 / 9 AA	60
Phosphosite 1:	FSH receptor	P23945	S295	LHPICNKSILRQEVD	55 / 9 AA	78
Phosphosite 2:	AKAP13	Q12802	S2212	YTKTDSKSIMRMKSG	100 / 6 AA	308
Phosphosite 3:	YSK4	Q56UN5	S173	LELNISKSVTREDAP	62 / 8 AA	151
Phosphosite 4:	PNPLA6	Q8IY17	S1347	SEMEEEKSILRQRRC	83 / 6 AA	150
Phosphosite 5:	SCGB2A2	Q13296	T32	LENVISKTINPQVSK	66 / 9 AA	10
Phosphosite 6:	SKIL	P12757	S433	TKTEASKSISRQSEK	85 / 7 AA	77
Phosphosite 7:	DNA2	P51530	S372	LFHRISKSATRQKTQ	75 / 8 AA	120
Phosphosite 8:	SKIL	P12757	S435	TEASKSISRQSEKAH	85 / 7 AA	77
Phosphosite 9:	ST5	P78524	S1068	RKSVASKSIRRFLEV	75 / 8 AA	126
Phosphosite 10:	PLCL1	Q15111	S698	CGYVLRPSIMRDEVS	55 / 9 AA	123
Phosphosite 11:	CEP170	Q5SW79	S832	DKKESSKSLVRQGSF	71 / 7 AA	175
Phosphosite 12:	BBS1	Q8NFJ9	S193	VNQHKSNSIKRQTVI	71 / 7 AA	65
Phosphosite 13:	KBTBD12	Q3ZCT8	S570	ADRHEVISKEILELD	71 / 7 AA	71
Phosphosite 14:	GPR158	Q5T848	S753	SKKGLGRSIMRRITE	50 / 8 AA	135
Phosphosite 15:	C3orf49	Q96BT1	T275	FQRISKRTMRKYKLK	62 / 8 AA	33
Phosphosite 16:	CCDC40	Q4G0X9	S540	EIEAYKKSIMKEEEK	66 / 6 AA	130
Phosphosite 17:	PRRT3	Q5FWE3	S753	GSLDISKSLIRNPAE	71 / 7 AA	102
Phosphosite 18:	CCDC19	Q9UL16	S239	MEVERQKSIQRQEEL	83 / 6 AA	66
Phosphosite 19:	ALMS1	Q8TCU4	S2385	RQYQAAKSVMRSEPE	66 / 6 AA	461
Phosphosite 20:	MMP25	Q9NPA2	S249	GHSSAPNSIMRPFYQ	57 / 7 AA	63