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:	S279
P-Site Sequence:	SYTCPRRSNLDRHMK
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	S279	SYTCPRRSNLDRHMK	100 / 9 AA	83
Phosphosite 1:	Rb	P06400	S360	TQRTPRKSNLDEEVN	85 / 7 AA	106
Phosphosite 2:	axin 1	O15169	S64	STATPRRSDLDLGYE	85 / 7 AA	96
Phosphosite 3:	eIF4E	P06730	S124	LNKQQRRSDLDRFWL	75 / 8 AA	25
Phosphosite 4:	MYCT1	Q8N699	S135	HSGCERRSNLSLASL	85 / 7 AA	27
Phosphosite 5:	ZNF843	Q8N446	S343	WKASSRRSNLARH__	66 / 9 AA	37
Phosphosite 6:	JPH4	Q96JJ6	T161	LLRSPRRTSLDSGHS	62 / 8 AA	66
Phosphosite 7:	PLCD4	Q9BRC7	S100	IVFHGRRSNLDLMAN	100 / 6 AA	88
Phosphosite 8:	PQLC1	Q8N2U9	S128	VKVAPRRSFLDFDPH	85 / 7 AA	30
Phosphosite 9:	HIVEP3	Q5T1R4	S489	DSVKPRRSSLSRRSS	75 / 8 AA	259
Phosphosite 10:	ISX	Q2M1V0	S44	LKRPARRSDMDRPEG	62 / 8 AA	27
Phosphosite 11:	ZNF205	O95201	S517	GKSFSRRSNLHRHEK	75 / 8 AA	61
Phosphosite 12:	NVL	O15381	S691	DALCPRRSDRETGAS	62 / 8 AA	95
Phosphosite 13:	HIVEP3	Q5T1R4	S490	SVKPRRSSLSRRSSM	75 / 8 AA	259
Phosphosite 14:	TMEM211	Q6ICI0	S102	KGLCPRRSSVPMPGV	71 / 7 AA	22
Phosphosite 15:	MYO15A	Q9UKN7	S860	LCHSPRRSSLNLPSR	62 / 8 AA	395
Phosphosite 16:	JPH4	Q96JJ6	S162	LRSPRRTSLDSGHSD	71 / 7 AA	66
Phosphosite 17:	SFRS7	Q16629	S89	STGMPRRSRFDRPPA	75 / 8 AA	27
Phosphosite 18:	BARD1	Q99728	S660	IPEGPRRSRLNREQL	75 / 8 AA	87
Phosphosite 19:	KIDINS220	Q9ULH0	S1346	DEGAPRHSNLSWQSQ	62 / 8 AA	197
Phosphosite 20:	ZBTB5	O15062	S177	PMSSSMRSNLDQRTP	55 / 9 AA	74