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:	GBX2
Human P-Site:	Y271
P-Site Sequence:	KEFHCKKYLSLTERS
UniProt:	P52951
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	GBX2	P52951	Y271	KEFHCKKYLSLTERS	100 / 9 AA	37
Phosphosite 1:	GBX1	Q14549	Y285	KEFHCKKYLSLTERS	100 / 9 AA	38
Phosphosite 2:	GBX1	Q14549	S287	FHCKKYLSLTERSQI	100 / 7 AA	38
Phosphosite 3:	GBX2	P52951	S273	FHCKKYLSLTERSQI	100 / 7 AA	37
Phosphosite 4:	UBR4	Q5T4S7	Y1570	WLSRCKKYLSQKNVV	85 / 7 AA	574
Phosphosite 5:	FSIP1	Q8NA03	S177	ENTKKFLSLTAVSEE	85 / 7 AA	66
Phosphosite 6:	FBXO3	Q9UK99	Y60	WRRHCKKYWLISEEE	83 / 6 AA	55
Phosphosite 7:	AP3D1	O14617	Y218	ARRNPKNYLSLAPLF	55 / 9 AA	130
Phosphosite 8:	Sos1	Q07889	Y915	SEDHYKKYLAKLRSI	71 / 7 AA	152
Phosphosite 9:	SMS	P52788	Y232	VIDGCKKYMRKTCGD	62 / 8 AA	41
Phosphosite 10:	CUX1	Q13948	Y594	KRERQRKYLSLSPWD	71 / 7 AA	77
Phosphosite 11:	CUX1	Q13948	S596	ERQRKYLSLSPWDKA	71 / 7 AA	77
Phosphosite 12:	Sos1	Q07889	Y912	HELSEDHYKKYLAKL	83 / 6 AA	152
Phosphosite 13:	NANOG	Q9H9S0	Y119	DRFQRQKYLSLQQMQ	62 / 8 AA	35
Phosphosite 14:	NANOGP1	Q8N7R0	Y62	DRFQRQKYLSLQQMQ	62 / 8 AA	27
Phosphosite 15:	NANOGP8	Q6NSW7	Y119	DRFQRQKYLSLQQMQ	62 / 8 AA	35
Phosphosite 16:	WHSC2	Q9H3P2	S432	QQPKKNLSLTREQMF	85 / 7 AA	57
Phosphosite 17:	PLCB4	Q15147	S843	SDPKKFLSITEKRAD	71 / 7 AA	134
Phosphosite 18:	ZCCHC14	Q8WYQ9	S327	LSMEKFLSLTEEDLN	83 / 6 AA	100
Phosphosite 19:	PAK2	Q13177	S141	TVKQKYLSFTPPEKD	71 / 7 AA	58
Phosphosite 20:	CARM1	Q86X55	Y278	SYLHAKKYLKPSGNM	83 / 6 AA	63