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:	S221
P-Site Sequence:	EDDGFLDSSAGGPGA
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	S221	EDDGFLDSSAGGPGA	100 / 9 AA	38
Phosphosite 1:	GBX1	Q14549	S222	DDGFLDSSAGGPGAL	100 / 8 AA	38
Phosphosite 2:	AOAH	P28039	S310	GATGFLDSTVGIKEK	75 / 8 AA	65
Phosphosite 3:	KHS2	Q8IVH8	S361	DSDGFLDSSEEIYYT	85 / 7 AA	101
Phosphosite 4:	DGK-B	Q9Y6T7	S171	DGNGFLDSSELENII	85 / 7 AA	91
Phosphosite 5:	FAM53A	Q6NSI3	S197	ASGGFVDSSEGSAGS	75 / 8 AA	43
Phosphosite 6:	SLC6A18	Q96N87	S378	LEDFLDKSASGPGLA	75 / 8 AA	71
Phosphosite 7:	HNRNPH3	P31942	S269	YIELFLNSTPGGGSG	62 / 8 AA	37
Phosphosite 8:	HNRNPH3	P31942	T270	IELFLNSTPGGGSGM	62 / 8 AA	37
Phosphosite 9:	GHDC	Q8N2G8	S432	ESSILDSSAGSAPHY	85 / 7 AA	58
Phosphosite 10:	FHDC1	Q9C0D6	S557	ELLTFLESSTGSPEE	62 / 8 AA	125
Phosphosite 11:	GHDC	Q8N2G8	S431	VESSILDSSAGSAPH	66 / 9 AA	58
Phosphosite 12:	AOAH	P28039	T311	ATGFLDSTVGIKEKS	71 / 7 AA	65
Phosphosite 13:	HTR3B	O95264	S221	STYSILQSSAGGFAQ	75 / 8 AA	50
Phosphosite 14:	SYDE1	Q6ZW31	S209	SRYHLDSSVGGPGPA	75 / 8 AA	80
Phosphosite 15:	SYDE1	Q6ZW31	S208	ISRYHLDSSVGGPGP	85 / 7 AA	80
Phosphosite 16:	Rap1b	P61224	S146	NNCAFLESSAKSKIN	71 / 7 AA	21
Phosphosite 17:	RP1BL	A6NIZ1	S146	NNCAFLESSAKSKIN	71 / 7 AA	21
Phosphosite 18:	BACH1	O14867	T134	KFKFLDSTADQQECP	71 / 7 AA	82
Phosphosite 19:	BACH1	O14867	S133	LKFKFLDSTADQQEC	71 / 7 AA	82
Phosphosite 20:	KIAA0644	Q7L0X0	S790	PCDRFMDSAGGGAGG	62 / 8 AA	89