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:	CPSF2
Human P-Site:	S420
P-Site Sequence:	KEADIDSSDESDIEE
UniProt:	Q9P2I0
Intern. Prot. ID:	IPI00419531

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CPSF2	Q9P2I0	S420	KEADIDSSDESDIEE	100 / 9 AA	88
Phosphosite 1:	CPSF2	Q9P2I0	S419	SKEADIDSSDESDIE	100 / 8 AA	88
Phosphosite 2:	Rb	P06400	S882	LRFDIEGSDEADGSK	66 / 9 AA	106
Phosphosite 3:	TMEM183A	Q8IXX5	S97	PCDIIDSSDEMDAQE	87 / 8 AA	43
Phosphosite 4:	TMEM183B	Q1AE95	S97	PYDIIDSSDEMDAQE	87 / 8 AA	43
Phosphosite 5:	Tiam1	Q13009	S989	EGPDLESSDETDHSS	66 / 9 AA	178
Phosphosite 6:	FREM3	P0C091	S1454	TNSDINSSDEHHFSI	85 / 7 AA	238
Phosphosite 7:	FREM3	P0C091	S1453	LTNSDINSSDEHHFS	85 / 7 AA	238
Phosphosite 8:	ZHX1	Q9UKY1	S543	TTIIIDSSDETTESP	85 / 7 AA	98
Phosphosite 9:	ZHX1	Q9UKY1	S542	STTIIIDSSDETTES	85 / 7 AA	98
Phosphosite 10:	LINS1	Q8NG48	S632	SLVDYDSSDDSDVES	77 / 9 AA	86
Phosphosite 11:	PHF14	O94880	S26	EALDYDSSDDSDFKV	77 / 9 AA	100
Phosphosite 12:	ANKRD20A3	Q5VUR7	S269	EKSDVGSSDESAVSI	75 / 8 AA	94
Phosphosite 13:	ANKRD20A1	Q5TYW2	S269	EKSDVGSSDESAVSI	75 / 8 AA	94
Phosphosite 14:	ANKRD20A2	Q5SQ80	S269	EKSDVGSSDESAVSI	75 / 8 AA	94
Phosphosite 15:	ANKRD20B	Q5CZ79	S269	EKSDVGSSDESAVSI	75 / 8 AA	94
Phosphosite 16:	ANKRD20A4	Q4UJ75	S269	EKSDVGSSDESAVSI	75 / 8 AA	94
Phosphosite 17:	C12orf45	Q8N5I9	S130	SDSKEVDSSEESSQD	62 / 8 AA	20
Phosphosite 18:	ANKRD20A3	Q5VUR7	S268	KEKSDVGSSDESAVS	75 / 8 AA	94
Phosphosite 19:	ANKRD20A1	Q5TYW2	S268	KEKSDVGSSDESAVS	75 / 8 AA	94
Phosphosite 20:	ANKRD20A2	Q5SQ80	S268	KEKSDVGSSDESAVS	75 / 8 AA	94