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:	CTCF
Human P-Site:	S594
P-Site Sequence:	NGGETKKSKRGRKRK
UniProt:	P49711
Intern. Prot. ID:	IPI00027988

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTCF	P49711	S594	NGGETKKSKRGRKRK	100 / 9 AA	83
Phosphosite 1:	RPS6KB2	Q9UBS0	S473	PPSGTKKSKRGRGRP	100 / 8 AA	53
Phosphosite 2:	KLF1	Q13351	S264	VIAETAPSKRGRRSW	77 / 9 AA	38
Phosphosite 3:	USP28	Q96RU2	S137	TSAETKRSKRKRCEV	77 / 9 AA	122
Phosphosite 4:	ARID4A	P29374	S664	RDEERQKSKRGRPPL	77 / 9 AA	143
Phosphosite 5:	FBXW2	Q9UKT8	S409	PLPEYRKSKRGSSFL	75 / 8 AA	52
Phosphosite 6:	CCDC140	Q96MF4	S56	TAQPTKRSKRNRWRR	75 / 8 AA	18
Phosphosite 7:	SPEN	Q96T58	S2075	APEKNSKSKRGRSRN	100 / 6 AA	402
Phosphosite 8:	MBD6	Q96DN6	S949	PPGVVRKSRRGRRRK	62 / 8 AA	101
Phosphosite 9:	BCORL1	Q5H9F3	S1162	PQESTKKSPRGASDS	85 / 7 AA	183
Phosphosite 10:	ARID4A	P29374	T140	TPVIAKKTNRGRRSS	62 / 8 AA	143
Phosphosite 11:	AKAP2	Q9Y2D5	S817	EDYETHKSKRRERMD	85 / 7 AA	95
Phosphosite 12:	POLA	P09884	S27	RARREKKSKKGRQEA	85 / 7 AA	166
Phosphosite 13:	MLLT10	P55197	S204	HFSKLKKSKRGSNRS	100 / 6 AA	109
Phosphosite 14:	KIAA0408	Q6ZU52	S128	EQKATKKSKVGFLDP	75 / 8 AA	79
Phosphosite 15:	CEBPZ	Q03701	S946	SKVSTKKSKRKGTDD	100 / 6 AA	121
Phosphosite 16:	C11orf57	Q6ZUT1	T249	EERDTKKTKRKKREK	71 / 7 AA	34
Phosphosite 17:	AHNAK2	Q8IVF2	S269	PKFQSIKSKRGPGPQ	62 / 8 AA	617
Phosphosite 18:	MED14	O60244	T628	CPVESKKTKRAGEMC	62 / 8 AA	161
Phosphosite 19:	ARID4B	Q4LE39	T140	TPVIGKKTNRGRRSN	71 / 7 AA	148
Phosphosite 20:	REST	Q13127	S519	KFSKTKKSKRKLEVD	100 / 6 AA	122