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:	S281
P-Site Sequence:	IMRQRLISPQLSATP
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	S281	IMRQRLISPQLSATP	100 / 9 AA	60
Phosphosite 1:	PTCHD2	Q9P2K9	S153	ETLQRLISEQLQQLH	87 / 8 AA	153
Phosphosite 2:	TLR7	Q9NYK1	S886	KGYQRLISPDCCYDA	85 / 7 AA	121
Phosphosite 3:	CHRAC1	Q9NRG0	S18	GGEQRLISLPLSRIR	77 / 9 AA	15
Phosphosite 4:	ADAMTSL5	Q6ZMM2	S435	MAVQRLVSPDGTQDQ	71 / 7 AA	52
Phosphosite 5:	TTN	Q8WZ42	S17448	EMKDRLVSPDLQLDA	62 / 8 AA	3816
Phosphosite 6:	factor V	P12259	S974	AVNNWLISPQNASRA	83 / 6 AA	252
Phosphosite 7:	DYNC2H1	Q8NCM8	S4011	RSSQRMISSQVISQL	62 / 8 AA	493
Phosphosite 8:	OSBPL1A	Q9BXW6	S646	DLGFRLISEQVSHHP	75 / 8 AA	108
Phosphosite 9:	FLNB	O75369	S2478	VTGQRLVSPGSANET	83 / 6 AA	278
Phosphosite 10:	senataxin	Q7Z333	S1330	RKKTKLISPQNLSVR	83 / 6 AA	303
Phosphosite 11:	CEP164	Q9UPV0	S1273	HSLRQISSQLSSVLS	75 / 8 AA	164
Phosphosite 12:	NAT12	Q147X3	S89	QQLNGLISPELRHLR	83 / 6 AA	39
Phosphosite 13:	PLCD3	Q8N3E9	S525	RRLAKQISPELSALA	62 / 8 AA	89
Phosphosite 14:	PDZD2	O15018	S1919	DHRKPLISPQTSHKT	66 / 9 AA	302
Phosphosite 15:	CEP164	Q9UPV0	S1272	SHSLRQISSQLSSVL	75 / 8 AA	164
Phosphosite 16:	HAT1	O14929	S361	DIKRRLISPYKKKQR	83 / 6 AA	50
Phosphosite 17:	MRAP2	Q96G30	S8	MSAQRLISNRTSQQS	66 / 9 AA	24
Phosphosite 18:	ADCK4	Q96D53	S169	IQDNSFISPQLQHIF	83 / 6 AA	60
Phosphosite 19:	PHF17	Q6IE81	S644	FAEARLISAQQKNGV	83 / 6 AA	96
Phosphosite 20:	ATP1A4	Q13733	S215	PADLRLISAQGCKVD	83 / 6 AA	114