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:	GBX1
Human P-Site:	T266
P-Site Sequence:	GKSRRRRTAFTSEQL
UniProt:	Q14549
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	GBX1	Q14549	T266	GKSRRRRTAFTSEQL	100 / 9 AA	38
Phosphosite 1:	GBX2	P52951	T252	GKNRRRRTAFTSEQL	100 / 9 AA	37
Phosphosite 2:	GDF6	Q6KF10	T336	PGRRRRRTAFASRHG	88 / 9 AA	51
Phosphosite 3:	ESX1L	Q8N693	T144	ERKRRRRTAFTQFQL	100 / 8 AA	44
Phosphosite 4:	MNX1	P50219	T246	GKCRRPRTAFTSQQL	88 / 9 AA	41
Phosphosite 5:	GSX1	Q9H4S2	T152	PSSKRMRTAFTSTQL	77 / 9 AA	28
Phosphosite 6:	GSX2	Q9BZM3	T207	PNGKRMRTAFTSTQL	77 / 9 AA	32
Phosphosite 7:	ALX1	Q15699	T137	SKKRRHRTTFTSLQL	77 / 9 AA	37
Phosphosite 8:	VSX2	P58304	T153	RKKRRHRTIFTSYQL	77 / 9 AA	39
Phosphosite 9:	HESX1	Q9UBX0	T113	YRGRRPRTAFTQNQI	87 / 8 AA	21
Phosphosite 10:	DMBX1	Q8NFW5	T76	RKQRRSRTAFTAQQL	77 / 9 AA	41
Phosphosite 11:	PHOX2B	Q99453	T103	RKQRRIRTTFTSAQL	77 / 9 AA	32
Phosphosite 12:	PHOX2A	O14813	T95	RKQRRIRTTFTSAQL	77 / 9 AA	30
Phosphosite 13:	PITX2	Q99697	T90	KRQRRQRTHFTSQQL	77 / 9 AA	35
Phosphosite 14:	PITX1	P78337	T94	KKQRRQRTHFTSQQL	77 / 9 AA	34
Phosphosite 15:	PITX3	O75364	T67	KKQRRQRTHFTSQQL	77 / 9 AA	32
Phosphosite 16:	POU6F1	Q14863	T239	SKKRKRRTSFTPQAI	66 / 9 AA	33
Phosphosite 17:	POU6F2	P78424	T604	SKKRKRRTSFTPQAL	66 / 9 AA	72
Phosphosite 18:	ALX4	Q9H161	T219	GKKRRNRTTFTSYQL	77 / 9 AA	44
Phosphosite 19:	EN1	Q05925	T308	KEDKRPRTAFTAEQL	66 / 9 AA	40
Phosphosite 20:	En-2	P19622	T249	KEDKRPRTAFTAEQL	66 / 9 AA	34