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:	S3486
P-Site Sequence:	QPAPKQDSSPHLTSQ
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	S3486	QPAPKQDSSPHLTSQ	100 / 9 AA	402
Phosphosite 1:	SPEN	Q96T58	S3487	PAPKQDSSPHLTSQR	100 / 8 AA	402
Phosphosite 2:	SOS2	Q07890	S1298	PVPPRQNSSPHLPKL	77 / 9 AA	153
Phosphosite 3:	NAV2	Q8IVL1	S1502	TLPRKQDSDPHLDRN	87 / 8 AA	268
Phosphosite 4:	SOS2	Q07890	S1299	VPPRQNSSPHLPKLP	75 / 8 AA	153
Phosphosite 5:	Primary ciliary dyskinesia protein 1	Q4G0U5	S341	TALPKQDSTTQLSGK	66 / 9 AA	64
Phosphosite 6:	MCART1	Q9H1U9	S22	TSSKQDISPHITNVG	75 / 8 AA	33
Phosphosite 7:	MCART2	Q3SY17	S22	TSSKQDISPHITNVG	75 / 8 AA	34
Phosphosite 8:	NEUROD4	Q9HD90	S270	FSLKQDGSPDLEKSY	75 / 8 AA	37
Phosphosite 9:	ANKRD12	Q6UB98	T531	SFSPKDDTSLHLFHI	66 / 9 AA	236
Phosphosite 10:	NFIB	O00712	S333	SASPQDSSPRLSTFP	85 / 7 AA	47
Phosphosite 11:	NFIB	O00712	S332	SSASPQDSSPRLSTF	85 / 7 AA	47
Phosphosite 12:	CROT	Q9UKG9	S282	VYSMEDSSPHVTPED	62 / 8 AA	70
Phosphosite 13:	ANKRD17	O75179	S784	KAASKQKSSSHLPAN	66 / 9 AA	274
Phosphosite 14:	CROT	Q9UKG9	S281	LVYSMEDSSPHVTPE	62 / 8 AA	70
Phosphosite 15:	ATMIN	O43313	S714	DLNFFLDSSPHLPLG	100 / 6 AA	88
Phosphosite 16:	MYH4	Q9Y623	S1780	LKKEQDTSAHLERMK	71 / 7 AA	223
Phosphosite 17:	MYH13	Q9UKX3	S1780	LKKEQDTSAHLERMK	71 / 7 AA	224
Phosphosite 18:	MYH2	Q9UKX2	S1782	LKKEQDTSAHLERMK	71 / 7 AA	223
Phosphosite 19:	CNKSR2	Q8WXI2	S702	PSTPKQDSPPPPYDT	85 / 7 AA	117
Phosphosite 20:	NEUROD2	Q15784	S315	NFSLKQDSSPDHEKS	100 / 6 AA	41