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:	PRRX2
Human P-Site:	S113
P-Site Sequence:	RNRTTFNSSQLQALE
UniProt:	Q99811
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRRX2	Q99811	S113	RNRTTFNSSQLQALE	100 / 9 AA	27
Phosphosite 1:	PRRX1	P54821	S103	RNRTTFNSSQLQALE	100 / 9 AA	27
Phosphosite 2:	PRRX2	Q99811	S114	NRTTFNSSQLQALER	100 / 8 AA	27
Phosphosite 3:	PRRX1	P54821	S104	NRTTFNSSQLQALER	100 / 8 AA	27
Phosphosite 4:	KIAA1609	Q6P9B6	S392	PTCTTYNSPQLSAQE	75 / 8 AA	51
Phosphosite 5:	PHOX2B	Q99453	S107	RIRTTFTSAQLKELE	66 / 9 AA	32
Phosphosite 6:	PHOX2A	O14813	S99	RIRTTFTSAQLKELE	66 / 9 AA	30
Phosphosite 7:	HYAL1	Q12794	Y75	GPDMTIFYSSQLGTY	75 / 8 AA	48
Phosphosite 8:	ALX4	Q9H161	S223	RNRTTFTSYQLEELE	66 / 9 AA	44
Phosphosite 9:	ARX	Q96QS3	S337	RYRTTFTSYQLEELE	66 / 9 AA	58
Phosphosite 10:	KIAA1549	Q9HCM3	S599	ETFTLFDSSDLQSSQ	66 / 9 AA	203
Phosphosite 11:	IL16	Q14005	S851	SSFETFGSSQLPDKG	75 / 8 AA	142
Phosphosite 12:	IL16	Q14005	S852	SFETFGSSQLPDKGA	75 / 8 AA	142
Phosphosite 13:	LRRCC1	Q9C099	S215	NLTEINSSQLQCLEG	85 / 7 AA	120
Phosphosite 14:	5-HT(2A)	P28223	S422	PALAYKSSQLQMGQK	62 / 8 AA	53
Phosphosite 15:	DUXA	A6NLW8	S109	RRCRTTYSASQLHTL	62 / 8 AA	24
Phosphosite 16:	DOCK7	Q96N67	S780	SISALNSSQLEPVVR	62 / 8 AA	243
Phosphosite 17:	ZNF646	O15015	S1523	WDNRDNSSQLQPGSH	100 / 6 AA	201
Phosphosite 18:	PRRX2	Q99811	T110	KQRRNRTTFNSSQLQ	100 / 6 AA	27
Phosphosite 19:	PRRX1	P54821	T100	KQRRNRTTFNSSQLQ	100 / 6 AA	27
Phosphosite 20:	ZNF646	O15015	S1522	SWDNRDNSSQLQPGS	100 / 6 AA	201