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:	S21
P-Site Sequence:	ALGGRLDSPGNLDTL
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	S21	ALGGRLDSPGNLDTL	100 / 9 AA	27
Phosphosite 1:	KIAA1754	Q8IWB1	S330	LAFGQLDSPGSLKIK	77 / 9 AA	62
Phosphosite 2:	POLR1E	Q9GZS1	S97	FSNGKLQSPGNMRFT	66 / 9 AA	54
Phosphosite 3:	ZNF408	Q9H9D4	S140	VQRGRLESEGNVAPV	66 / 9 AA	78
Phosphosite 4:	THAP10	Q9P2Z0	T111	DQAGRLDTRGELQAA	66 / 9 AA	28
Phosphosite 5:	NudC	Q9Y266	S139	LKNGSLDSPGKQDTE	75 / 8 AA	38
Phosphosite 6:	TBKBP1	A7MCY6	S26	PSEVWLDSPGDPSLG	71 / 7 AA	68
Phosphosite 7:	MASP2	O00187	S32	PVFGRLASPGFPGEY	85 / 7 AA	76
Phosphosite 8:	KRT80	Q6KB66	S396	GEEGRMDSPSATVVS	71 / 7 AA	51
Phosphosite 9:	ANKRD34A	Q69YU3	T343	MEPVELDTPGHLCPD	71 / 7 AA	53
Phosphosite 10:	OTUD1	Q5VV17	S402	TTGGRLESPTVSTMI	83 / 6 AA	51
Phosphosite 11:	PIP4K2B	P78356	S326	SYGTPPDSPGNLLSF	100 / 6 AA	47
Phosphosite 12:	BARX2	Q9UMQ3	S11	HAELRLSSPGQLKAA	75 / 8 AA	31
Phosphosite 13:	COL6A6	A6NMZ7	S1622	GNQGRLGSQGNKGEP	75 / 8 AA	247
Phosphosite 14:	MEF2C	Q06413	S228	NSPGLLVSPGNLNKN	77 / 9 AA	51
Phosphosite 15:	SOX1	O00570	S172	AVGQRLESPGGAAGG	83 / 6 AA	39
Phosphosite 16:	TMEM16H	Q9HCE9	S318	YKWGTLDSPGEAVEE	75 / 8 AA	136
Phosphosite 17:	INTS1	Q8N201	S1469	QMLQWLDSPGVEGGP	83 / 6 AA	244
Phosphosite 18:	APBA1	Q02410	S313	PAGGRPDSPGLQAPA	85 / 7 AA	93
Phosphosite 19:	IFT122	Q9HBG6	S820	TYLKKLDSPGYAAET	71 / 7 AA	142
Phosphosite 20:	TJP1	Q07157	S912	QPIHRIDSPGFKPAS	83 / 6 AA	195