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:	T204
P-Site Sequence:	SPYSAMATYSATCAN
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	T204	SPYSAMATYSATCAN	100 / 9 AA	27
Phosphosite 1:	GNAS	P84996	T544	AAESPSATYSATFSC	77 / 9 AA	68
Phosphosite 2:	NF1	P21359	T862	RSNSGLATYSPPMGP	62 / 8 AA	319
Phosphosite 3:	HNF1A	P20823	Y286	HKLAMDTYSGPPPGP	71 / 7 AA	67
Phosphosite 4:	HNF1A	P20823	T285	RHKLAMDTYSGPPPG	71 / 7 AA	67
Phosphosite 5:	Rb	P06400	T497	ALEVVMATYSRSTSQ	83 / 6 AA	106
Phosphosite 6:	Rb	P06400	Y498	LEVVMATYSRSTSQN	83 / 6 AA	106
Phosphosite 7:	NAP5	O14513	Y1869	KAPRMCTYSASGGSN	71 / 7 AA	209
Phosphosite 8:	NAP5	O14513	T1868	DKAPRMCTYSASGGS	71 / 7 AA	209
Phosphosite 9:	NAP5	O14513	S1870	APRMCTYSASGGSNS	71 / 7 AA	209
Phosphosite 10:	GNAS	P84996	S546	ESPSATYSATFSCKP	100 / 6 AA	68
Phosphosite 11:	Rb	P06400	S499	EVVMATYSRSTSQNL	100 / 5 AA	106
Phosphosite 12:	HMHA1	Q92619	Y466	AEEAMATYRTCVADA	83 / 6 AA	125
Phosphosite 13:	HMHA1	Q92619	T465	KAEEAMATYRTCVAD	83 / 6 AA	125
Phosphosite 14:	WDR7	Q9Y4E6	S1413	GRYLATYSNTDSHIS	71 / 7 AA	164
Phosphosite 15:	HNF4A	P41235	Y15	VDMDMADYSAALDPA	71 / 7 AA	52
Phosphosite 16:	HNF4A	P41235	S16	DMDMADYSAALDPAY	71 / 7 AA	52
Phosphosite 17:	WDR7	Q9Y4E6	Y1412	DGRYLATYSNTDSHI	71 / 7 AA	164
Phosphosite 18:	WDR7	Q9Y4E6	T1411	PDGRYLATYSNTDSH	71 / 7 AA	164
Phosphosite 19:	EPB42	P16452	T569	LRLTAMATHSESNLS	55 / 9 AA	77
Phosphosite 20:	AK7	Q96M32	T96	RPDFAVETYSAISRE	62 / 8 AA	83