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:	PRRX1
Human P-Site:	S104
P-Site Sequence:	NRTTFNSSQLQALER
UniProt:	P54821
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRRX1	P54821	S104	NRTTFNSSQLQALER	100 / 9 AA	27
Phosphosite 1:	PRRX2	Q99811	S114	NRTTFNSSQLQALER	100 / 9 AA	27
Phosphosite 2:	PRRX2	Q99811	S113	RNRTTFNSSQLQALE	100 / 8 AA	27
Phosphosite 3:	PRRX1	P54821	S103	RNRTTFNSSQLQALE	100 / 8 AA	27
Phosphosite 4:	IL16	Q14005	S851	SSFETFGSSQLPDKG	75 / 8 AA	142
Phosphosite 5:	IL16	Q14005	S852	SFETFGSSQLPDKGA	75 / 8 AA	142
Phosphosite 6:	CAPN12	Q6ZSI9	S569	EEEELNASQLQALLS	75 / 8 AA	81
Phosphosite 7:	LRRCC1	Q9C099	S215	NLTEINSSQLQCLEG	85 / 7 AA	120
Phosphosite 8:	EIF4G1	Q04637	S343	PESEFSSSPLQAPTP	75 / 8 AA	176
Phosphosite 9:	TBC1D5	Q92609	S658	GSLRFNQSQLEAEEN	75 / 8 AA	89
Phosphosite 10:	5-HT(2A)	P28223	S422	PALAYKSSQLQMGQK	62 / 8 AA	53
Phosphosite 11:	ZNF646	O15015	S1523	WDNRDNSSQLQPGSH	85 / 7 AA	201
Phosphosite 12:	KIAA1609	Q6P9B6	S392	PTCTTYNSPQLSAQE	71 / 7 AA	51
Phosphosite 13:	TOMM70A	O94826	S456	AYTGNNSSQIQAAMK	85 / 7 AA	67
Phosphosite 14:	DOCK7	Q96N67	S780	SISALNSSQLEPVVR	55 / 9 AA	243
Phosphosite 15:	HEYL	Q9NQ87	S39	PLSTPSSSQMQARKK	66 / 9 AA	35
Phosphosite 16:	KIAA1549	Q9HCM3	S600	TFTLFDSSDLQSSQL	62 / 8 AA	203
Phosphosite 17:	KIAA1549	Q9HCM3	S599	ETFTLFDSSDLQSSQ	71 / 7 AA	203
Phosphosite 18:	SMYD4	Q8IYR2	S471	TERIVNSSQLKAAVT	85 / 7 AA	89
Phosphosite 19:	ZNF646	O15015	S1522	SWDNRDNSSQLQPGS	100 / 6 AA	201
Phosphosite 20:	MYH13	Q9UKX3	S1092	KKKEFELSQLQARID	75 / 8 AA	224