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:	KLF4
Human P-Site:	S138
P-Site Sequence:	SSSSSPSSSGPASAP
UniProt:	O43474
Intern. Prot. ID:	IPI00012531

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	KLF4	O43474	S138	SSSSSPSSSGPASAP	100 / 9 AA	50
Phosphosite 1:	KLF4	O43474	S139	SSSSPSSSGPASAPS	100 / 8 AA	50
Phosphosite 2:	KLF4	O43474	S137	ASSSSSPSSSGPASA	100 / 8 AA	50
Phosphosite 3:	PRRX2	Q99811	S218	VPPYSPGSSGPATPG	87 / 8 AA	27
Phosphosite 4:	PRRX2	Q99811	S219	PPYSPGSSGPATPGV	87 / 8 AA	27
Phosphosite 5:	HECW2	Q9P2P5	S691	CAAEPTSSGPAEGSQ	85 / 7 AA	176
Phosphosite 6:	FAM48B1	Q3ZLR7	S426	PGKMSHSSSGPASVS	87 / 8 AA	89
Phosphosite 7:	FAM48B2	P0C7V6	S426	PGKMSHSSSGPASVS	87 / 8 AA	88
Phosphosite 8:	HECW2	Q9P2P5	S690	ACAAEPTSSGPAEGS	85 / 7 AA	176
Phosphosite 9:	ZIMP7	Q8NF64	S413	NSLHSSPSGSGPCDE	87 / 8 AA	97
Phosphosite 10:	SLC7A4	O43246	S422	QKSSPPSSPGPASPG	77 / 9 AA	68
Phosphosite 11:	AGBL5	Q8NDL9	S727	PSPAPTSSGPASSHK	85 / 7 AA	98
Phosphosite 12:	ZNF318	Q5VUA4	S32	SGRSSGSSSGPARRS	88 / 9 AA	251
Phosphosite 13:	FAM48B1	Q3ZLR7	S427	GKMSHSSSGPASVSQ	87 / 8 AA	89
Phosphosite 14:	FAM48B2	P0C7V6	S427	GKMSHSSSGPASVSQ	87 / 8 AA	88
Phosphosite 15:	AGBL5	Q8NDL9	S726	APSPAPTSSGPASSH	85 / 7 AA	98
Phosphosite 16:	FAM123B	Q5JTC6	S46	GPTSEPSSSGPGRLK	77 / 9 AA	124
Phosphosite 17:	MOV10	Q9HCE1	S971	GLSKLSPSTSGPHSH	85 / 7 AA	114
Phosphosite 18:	MOV10	Q9HCE1	T972	LSKLSPSTSGPHSHD	85 / 7 AA	114
Phosphosite 19:	FAM123B	Q5JTC6	S45	EGPTSEPSSSGPGRL	87 / 8 AA	124
Phosphosite 20:	FN1	P02751	S608	PLQTYPSSSGPVEVF	85 / 7 AA	263