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:	S3487
P-Site Sequence:	PAPKQDSSPHLTSQR
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	S3487	PAPKQDSSPHLTSQR	100 / 9 AA	402
Phosphosite 1:	SPEN	Q96T58	S3486	QPAPKQDSSPHLTSQ	100 / 8 AA	402
Phosphosite 2:	MCART1	Q9H1U9	S22	TSSKQDISPHITNVG	77 / 9 AA	33
Phosphosite 3:	MCART2	Q3SY17	S22	TSSKQDISPHITNVG	77 / 9 AA	34
Phosphosite 4:	NAV2	Q8IVL1	S1502	TLPRKQDSDPHLDRN	87 / 8 AA	268
Phosphosite 5:	CROT	Q9UKG9	S282	VYSMEDSSPHVTPED	66 / 9 AA	70
Phosphosite 6:	SOS2	Q07890	S1299	VPPRQNSSPHLPKLP	75 / 8 AA	153
Phosphosite 7:	SOS2	Q07890	S1298	PVPPRQNSSPHLPKL	75 / 8 AA	153
Phosphosite 8:	NFIB	O00712	S333	SASPQDSSPRLSTFP	75 / 8 AA	47
Phosphosite 9:	NEUROD4	Q9HD90	S270	FSLKQDGSPDLEKSY	75 / 8 AA	37
Phosphosite 10:	NFIB	O00712	S332	SSASPQDSSPRLSTF	85 / 7 AA	47
Phosphosite 11:	ATMIN	O43313	S714	DLNFFLDSSPHLPLG	100 / 6 AA	88
Phosphosite 12:	CROT	Q9UKG9	S281	LVYSMEDSSPHVTPE	62 / 8 AA	70
Phosphosite 13:	WDR47	O94967	S528	TTPPQDSSQRLTHDA	75 / 8 AA	102
Phosphosite 14:	NEK2	P51955	S300	PEKSQDSSPVLSELK	75 / 8 AA	52
Phosphosite 15:	Protein FAM75D1	Q6ZQQ2	S572	QTLPQGQSPHLTQVK	75 / 8 AA	176
Phosphosite 16:	ANKRD17	O75179	S784	KAASKQKSSSHLPAN	75 / 8 AA	274
Phosphosite 17:	NEUROD2	Q15784	S315	NFSLKQDSSPDHEKS	100 / 6 AA	41
Phosphosite 18:	LUZP1	Q86V48	S639	AVVMEDSSPHEALRC	71 / 7 AA	120
Phosphosite 19:	NEUROD2	Q15784	S316	FSLKQDSSPDHEKSY	100 / 6 AA	41
Phosphosite 20:	NEK2	P51955	S299	EPEKSQDSSPVLSEL	85 / 7 AA	52