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:	SPEN
Human P-Site:	S260
P-Site Sequence:	QSPQRLASQASRPTR
UniProt:	Q96T58
Intern. Prot. ID:	IPI00045914

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SPEN	Q96T58	S260	QSPQRLASQASRPTR	100 / 9 AA	402
Phosphosite 1:	F12	P00748	S175	AHCQRLASQACRTNP	88 / 9 AA	68
Phosphosite 2:	HIST1H2BL	Q99880	S76	DIFERIASEASRLAH	66 / 9 AA	14
Phosphosite 3:	HIST1H2BA	Q96A08	S77	DIFERIASEASRLAH	66 / 9 AA	14
Phosphosite 4:	HIST3H2BB	Q8N257	S76	DIFERIASEASRLAH	66 / 9 AA	14
Phosphosite 5:	Leucine-rich repeat-containing protein 14B	A6NHZ5	S353	STFFRLLSQASRTLR	87 / 8 AA	56
Phosphosite 6:	CYP4F11	Q9HBI6	S183	DKWQRLASEGSARLD	75 / 8 AA	60
Phosphosite 7:	TSGA14	Q9BYV8	S233	DDDERLASQAATTMC	75 / 8 AA	41
Phosphosite 8:	CACNA1B	Q00975	S2266	YLGQRLDSEASVHAL	75 / 8 AA	262
Phosphosite 9:	EXOC3L2	Q2M3D2	S275	RLFRRLESQASWLDA	75 / 8 AA	46
Phosphosite 10:	CENPO	Q9BU64	T26	AHLERLETQVSRSRK	55 / 9 AA	34
Phosphosite 11:	WDFY3	Q8IZQ1	S932	RMFERLASQALEPMV	85 / 7 AA	395
Phosphosite 12:	KLC3	Q6P597	S107	AEKQRLRSQARRLAQ	77 / 9 AA	55
Phosphosite 13:	AP2B1	P63010	S347	DIMIRLASQANIAQV	85 / 7 AA	105
Phosphosite 14:	dynactin 1	Q14203	S1039	ELKQRLNSQSKRTIE	66 / 9 AA	142
Phosphosite 15:	ARFGAP3	Q9NP61	S122	EKIKSLASQATRKHG	85 / 7 AA	57
Phosphosite 16:	PLEKHH1	Q9ULM0	T1117	RLLLASQTSREIVAG	85 / 7 AA	151
Phosphosite 17:	AKNA	Q7Z591	S568	EQTQALASQASQFLA	77 / 9 AA	155
Phosphosite 18:	CLK3	P49761	T111	RVEPRLATAASREGA	66 / 9 AA	59
Phosphosite 19:	PLEKHH1	Q9ULM0	S1115	RERLLLASQTSREIV	85 / 7 AA	151
Phosphosite 20:	TMEM151B	Q8IW70	S509	TEQTRLSSQASMGDD	85 / 7 AA	62