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:	S370
P-Site Sequence:	IPKQGNASSSTLLQG
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	S370	IPKQGNASSSTLLQG	100 / 9 AA	65
Phosphosite 1:	BEND4	Q6ZU67	S302	SESHGHPSSSTLPEE	66 / 9 AA	58
Phosphosite 2:	TBX18	O95935	S372	KQGNASSSTLLQGTG	100 / 7 AA	65
Phosphosite 3:	BEND4	Q6ZU67	S303	ESHGHPSSSTLPEEE	75 / 8 AA	58
Phosphosite 4:	COL20A1	Q9P218	S617	EAPGNATSATLGPLS	75 / 8 AA	136
Phosphosite 5:	ASTN1	O14525	S227	ARVQGHNSSGTLSIR	66 / 9 AA	145
Phosphosite 6:	DKFZp761B107	Q6ZUS6	S206	SKGQGKSSSSALTGV	66 / 9 AA	53
Phosphosite 7:	AFAP1L2	Q8N4X5	S558	SSAQAQASSPTLSCL	66 / 9 AA	91
Phosphosite 8:	WNK1	Q9H4A3	S723	GQSQGQPSSSSLTGV	66 / 9 AA	251
Phosphosite 9:	SPAM1	P38567	S485	PQIFYNASPSTLSAT	85 / 7 AA	58
Phosphosite 10:	GGA2	Q9UJY4	S401	EEKRNPSSSTLPGGG	85 / 7 AA	67
Phosphosite 11:	PAK3	O75914	S245	PSAENANSSTLYRNT	85 / 7 AA	61
Phosphosite 12:	IGSF9B	Q9UPX0	S1021	EENGENASNSTLPLT	85 / 7 AA	147
Phosphosite 13:	GGA2	Q9UJY4	S400	CEEKRNPSSSTLPGG	85 / 7 AA	67
Phosphosite 14:	MCR	P08235	S585	EYIPENVSSSTLRSV	66 / 9 AA	107
Phosphosite 15:	GGA2	Q9UJY4	S402	EKRNPSSSTLPGGGV	85 / 7 AA	67
Phosphosite 16:	ZNF281	Q9Y2X9	T399	AVLSQGNTSSSRRKT	85 / 7 AA	97
Phosphosite 17:	KATNAL1	Q9BW62	S273	GTTFFNVSSSTLTSK	85 / 7 AA	55
Phosphosite 18:	KATNA1	O75449	S274	KTTFFNVSSSTLTSK	85 / 7 AA	56
Phosphosite 19:	IGSF9B	Q9UPX0	S1023	NGENASNSTLPLTQT	85 / 7 AA	147
Phosphosite 20:	SEC24C	P53992	S370	VKDQGNASPRYIRCT	55 / 9 AA	118