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:	S279
P-Site Sequence:	SGSRSRSSSSDSISS
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	S279	SGSRSRSSSSDSISS	100 / 9 AA	402
Phosphosite 1:	SPEN	Q96T58	S278	GSGSRSRSSSSDSIS	100 / 8 AA	402
Phosphosite 2:	MAPK8IP1	Q9UQF2	S472	MSGRSRSSSAESFGL	77 / 9 AA	78
Phosphosite 3:	CLK2	P49760	S36	RRRSRSWSSSSDRTR	87 / 8 AA	60
Phosphosite 4:	SPEN	Q96T58	S280	GSRSRSSSSDSISSS	100 / 8 AA	402
Phosphosite 5:	CLK2	P49760	S37	RRSRSWSSSSDRTRR	87 / 8 AA	60
Phosphosite 6:	NKTR	P30414	S1391	SRSRSRSSSYDPHSR	77 / 9 AA	166
Phosphosite 7:	ZFC3H1	O60293	S500	GGKRRSRSKSSDPDL	87 / 8 AA	226
Phosphosite 8:	MAPK8IP1	Q9UQF2	S471	FMSGRSRSSSAESFG	75 / 8 AA	78
Phosphosite 9:	CCDC61	Q9Y6R9	S371	NRSRNRSSSVDSFRS	77 / 9 AA	53
Phosphosite 10:	NKTR	P30414	S1390	SSRSRSRSSSYDPHS	87 / 8 AA	166
Phosphosite 11:	SSH1	Q8WYL5	S936	SSNLTRSSSSDSIHS	87 / 8 AA	116
Phosphosite 12:	SSH1	Q8WYL5	S937	SNLTRSSSSDSIHSV	87 / 8 AA	116
Phosphosite 13:	SFRS6	Q13247	S341	SRSRSRSSSRD____	87 / 8 AA	40
Phosphosite 14:	TOPORS	Q9NS56	S672	ESTSRSRSRSSDHGK	87 / 8 AA	119
Phosphosite 15:	SFRS6	Q13247	S340	KSRSRSRSSSRD___	87 / 8 AA	40
Phosphosite 16:	SSH1	Q8WYL5	S938	NLTRSSSSDSIHSVR	100 / 7 AA	116
Phosphosite 17:	SPEN	Q96T58	S281	SRSRSSSSDSISSSS	100 / 7 AA	402
Phosphosite 18:	THRAP3	Q9Y2W1	S780	ARDRSRSSSSSSQSS	88 / 9 AA	109
Phosphosite 19:	PNN	Q9H307	S578	SKSRSRSSSSSSSSS	88 / 9 AA	82
Phosphosite 20:	ZFC3H1	O60293	S41	SQIRSRSSSSSSGGG	88 / 9 AA	226