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:	T173
P-Site Sequence:	KSYSGDVTAVEQPIV
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	T173	KSYSGDVTAVEQPIV	100 / 9 AA	27
Phosphosite 1:	AKAP9	Q99996	T105	TLHSGEITSHEQGFS	55 / 9 AA	454
Phosphosite 2:	GCN1L1	Q92616	T661	PGLKGDVTDTEQLAQ	75 / 8 AA	293
Phosphosite 3:	SLA/LP	Q9HD40	S102	IGRSGDISAVQPKAA	55 / 9 AA	56
Phosphosite 4:	CACNA1C	Q13936	T1722	RAISGDLTAEEELDK	66 / 9 AA	249
Phosphosite 5:	AFF4	Q9UHB7	S314	ASASGDVSCVDEILK	55 / 9 AA	127
Phosphosite 6:	C12orf35	Q9HCM1	T549	QLSSENVTKVEQNSP	66 / 9 AA	195
Phosphosite 7:	COL24A1	Q17RW2	S323	SLQSGNVSAVDLTNH	62 / 8 AA	175
Phosphosite 8:	FBN2	P35556	T2787	SIHEPDPTAVEQISL	85 / 7 AA	315
Phosphosite 9:	HECW1	Q76N89	T514	EEEGDVSTLEQGEGR	62 / 8 AA	180
Phosphosite 10:	HECW1	Q76N89	S513	QEEEGDVSTLEQGEG	62 / 8 AA	180
Phosphosite 11:	JRKL	Q9Y4A0	T150	ERLNGDETAVEDFCN	66 / 9 AA	51
Phosphosite 12:	CCDC123	Q96ST8	S82	SRSESDVSSVEQDSF	62 / 8 AA	89
Phosphosite 13:	CCDC123	Q96ST8	S83	RSESDVSSVEQDSFI	62 / 8 AA	89
Phosphosite 14:	DHX35	Q9H5Z1	T670	KYYMRDVTAIESAWL	83 / 6 AA	79
Phosphosite 15:	DGCR8	Q8WYQ5	S377	LTPSGDVSPVKPLSR	55 / 9 AA	86
Phosphosite 16:	PIG38	Q8TC92	T169	FEQCGDITAIRKSKK	57 / 7 AA	73
Phosphosite 17:	TDRD5	Q8NAT2	S187	NAASDVISVEQTRAG	62 / 8 AA	110
Phosphosite 18:	PCDHAC1	Q9H158	T746	SATIDVTTVERLSQT	71 / 7 AA	104
Phosphosite 19:	MARCKSL1	P49006	T14	KAPRGDVTAEEAAGA	75 / 8 AA	20
Phosphosite 20:	PCDHAC1	Q9H158	T745	TSATIDVTTVERLSQ	71 / 7 AA	104