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:	ALX4
Human P-Site:	T219
P-Site Sequence:	GKKRRNRTTFTSYQL
UniProt:	Q9H161
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ALX4	Q9H161	T219	GKKRRNRTTFTSYQL	100 / 9 AA	44
Phosphosite 1:	ALX1	Q15699	T137	SKKRRHRTTFTSLQL	88 / 9 AA	37
Phosphosite 2:	RAX	Q9Y2V3	T141	KKHRRNRTTFTTYQL	88 / 9 AA	37
Phosphosite 3:	RAX2	Q96IS3	T32	KKHRRNRTTFTTYQL	88 / 9 AA	20
Phosphosite 4:	DRGX	A6NNA5	T38	RKQRRNRTTFTLQQL	100 / 8 AA	29
Phosphosite 5:	PRRX2	Q99811	T109	KKQRRNRTTFNSSQL	88 / 9 AA	27
Phosphosite 6:	PRRX1	P54821	T99	RKQRRNRTTFNSSQL	88 / 9 AA	27
Phosphosite 7:	ALX4	Q9H161	T220	KKRRNRTTFTSYQLE	100 / 8 AA	44
Phosphosite 8:	ARX	Q96QS3	T333	RKQRRYRTTFTSYQL	88 / 9 AA	58
Phosphosite 9:	PHOX2B	Q99453	T103	RKQRRIRTTFTSAQL	88 / 9 AA	32
Phosphosite 10:	PHOX2A	O14813	T95	RKQRRIRTTFTSAQL	88 / 9 AA	30
Phosphosite 11:	VSX2	P58304	T153	RKKRRHRTIFTSYQL	77 / 9 AA	39
Phosphosite 12:	ALX1	Q15699	T138	KKRRHRTTFTSLQLE	87 / 8 AA	37
Phosphosite 13:	ALX3	O95076	T158	SKKRRNRTTFSTFQL	77 / 9 AA	37
Phosphosite 14:	PAX3	P23760	T224	RKQRRSRTTFTAEQL	77 / 9 AA	53
Phosphosite 15:	PAX7	P23759	T222	RKQRRSRTTFTAEQL	77 / 9 AA	57
Phosphosite 16:	DRGX	A6NNA5	T39	KQRRNRTTFTLQQLE	100 / 7 AA	29
Phosphosite 17:	RAX	Q9Y2V3	T142	KHRRNRTTFTTYQLH	87 / 8 AA	37
Phosphosite 18:	RAX2	Q96IS3	T33	KHRRNRTTFTTYQLH	87 / 8 AA	20
Phosphosite 19:	PRRX2	Q99811	T110	KQRRNRTTFNSSQLQ	87 / 8 AA	27
Phosphosite 20:	PRRX1	P54821	T100	KQRRNRTTFNSSQLQ	87 / 8 AA	27