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:	PITX2
Human P-Site:	S280
P-Site Sequence:	YRDTCNSSLASLRLK
UniProt:	Q99697
Intern. Prot. ID:	IPI00220802

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PITX2	Q99697	S280	YRDTCNSSLASLRLK	100 / 9 AA	35
Phosphosite 1:	PITX1	P78337	S281	YRDTCNSSLASLRLK	100 / 9 AA	34
Phosphosite 2:	PITX3	O75364	S263	YRDPCNSSLASLRLK	100 / 8 AA	32
Phosphosite 3:	PITX2	Q99697	S279	VYRDTCNSSLASLRL	100 / 8 AA	35
Phosphosite 4:	PITX1	P78337	S280	VYRDTCNSSLASLRL	100 / 8 AA	34
Phosphosite 5:	PITX3	O75364	S262	VYRDPCNSSLASLRL	100 / 7 AA	32
Phosphosite 6:	RLF	Q13129	S1320	IHKTCNSSFTNLKGL	66 / 9 AA	218
Phosphosite 7:	KIAA0329	O15040	S483	SRSTCHSSLESTPCS	75 / 8 AA	154
Phosphosite 8:	KIAA0329	O15040	S482	GSRSTCHSSLESTPC	75 / 8 AA	154
Phosphosite 9:	ZNF808	Q8N4W9	S468	DTAFTCNSQLARHRR	75 / 8 AA	105
Phosphosite 10:	C14orf159	Q7Z3D6	S103	EFGACTGSLASLEQY	66 / 9 AA	66
Phosphosite 11:	ZNF641	Q96N77	S333	GKNFRCNSHLASHQR	85 / 7 AA	50
Phosphosite 12:	CSRNP1	Q96S65	S253	DPETCSCSLAGIKCQ	55 / 9 AA	64
Phosphosite 13:	RPH3AL	Q9UNE2	S266	HLSGCQSSLASGETG	85 / 7 AA	34
Phosphosite 14:	KIAA0892	Q9Y6X3	S608	AQNGPNTSLASLL__	85 / 7 AA	69
Phosphosite 15:	ZSCAN5A	Q9BUG6	S369	EKRFTCNSKLVIHKR	71 / 7 AA	56
Phosphosite 16:	RPH3AL	Q9UNE2	S265	GHLSGCQSSLASGET	85 / 7 AA	34
Phosphosite 17:	FLJ44290	Q6ZR08	S2580	FTSETCNSSFRLWLT	83 / 6 AA	92
Phosphosite 18:	TSPAN3	O60637	S185	TASNCNGSLAHPSDL	71 / 7 AA	28
Phosphosite 19:	FLJ44290	Q6ZR08	S2581	TSETCNSSFRLWLTS	83 / 6 AA	92
Phosphosite 20:	SH3MD4	Q8TEJ3	S340	AASSCNASLPSDSGA	62 / 8 AA	93