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:	S276
P-Site Sequence:	PSGSGSRSRSSSSDS
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	S276	PSGSGSRSRSSSSDS	100 / 9 AA	402
Phosphosite 1:	LRRC16A	Q5VZK9	S1245	KAEAGSRSRSSSSTP	100 / 8 AA	152
Phosphosite 2:	piccolo	Q9Y6V0	S4220	PYSSGSRSRPSSRPS	88 / 9 AA	567
Phosphosite 3:	SFRS4	Q08170	S228	RSRSGSRSRSKSRSR	88 / 9 AA	57
Phosphosite 4:	ZC3H18	Q86VM9	S597	SSFSGSRSRSRSFSS	88 / 9 AA	106
Phosphosite 5:	DDX46	Q7L014	S22	RGRSGSRSRSRSPSD	88 / 9 AA	117
Phosphosite 6:	SFRS6	Q13247	S196	RSYSGSRSRSRSRRR	88 / 9 AA	40
Phosphosite 7:	SFRS6	Q13247	S194	HRRSYSGSRSRSRSR	100 / 7 AA	40
Phosphosite 8:	ZC3H18	Q86VM9	S595	RHSSFSGSRSRSRSF	100 / 7 AA	106
Phosphosite 9:	SPEN	Q96T58	S274	RSPSGSGSRSRSSSS	100 / 7 AA	402
Phosphosite 10:	SRRM2	Q9UQ35	S1099	TSPKGGRSRSSSPVT	87 / 8 AA	300
Phosphosite 11:	DDX46	Q7L014	S20	ASRGRSGSRSRSRSP	100 / 7 AA	117
Phosphosite 12:	HTT	P42858	S417	KEESGGRSRSGSIVE	77 / 9 AA	348
Phosphosite 13:	SFRS4	Q08170	S226	RSRSRSGSRSRSKSR	100 / 7 AA	57
Phosphosite 14:	KIAA0802	Q9Y4B5	S1780	GLRAGSRSRSAEPRP	75 / 8 AA	209
Phosphosite 15:	LENG8	Q96PV6	S384	SSSTDSRSRSSSRSP	77 / 9 AA	86
Phosphosite 16:	ZNF265	O95218	S256	SRSRGSKSRSSSRSH	87 / 8 AA	37
Phosphosite 17:	SPAG8	Q99932	S12	ESTEGSRSRSRSLDI	87 / 8 AA	45
Phosphosite 18:	CACNA1E	Q15878	S939	ESSSASRSRSASQER	77 / 9 AA	262
Phosphosite 19:	MLLT6	P55198	S218	GFISGRRSRSASPST	77 / 9 AA	112
Phosphosite 20:	KIAA1853	A7MD48	S581	SPSPGSRSRSRSRSR	77 / 9 AA	69