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:	S3433
P-Site Sequence:	TGPTSFPSPVSVSMK
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	S3433	TGPTSFPSPVSVSMK	100 / 9 AA	402
Phosphosite 1:	CASP8AP2	Q9UKL3	S683	GTETSFPSPMEIQQT	66 / 9 AA	223
Phosphosite 2:	Egr1	P18146	S452	PVATSYPSPVTTSYP	75 / 8 AA	58
Phosphosite 3:	Egr1	P18146	Y450	PSPVATSYPSPVTTS	85 / 7 AA	58
Phosphosite 4:	Egr1	P18146	Y466	PSPATTSYPSPVPTS	85 / 7 AA	58
Phosphosite 5:	Egr1	P18146	S468	PATTSYPSPVPTSFS	85 / 7 AA	58
Phosphosite 6:	CASP8AP2	Q9UKL3	S680	PICGTETSFPSPMEI	100 / 6 AA	223
Phosphosite 7:	SPEN	Q96T58	S3430	QAETGPTSFPSPVSV	100 / 6 AA	402
Phosphosite 8:	CLCA4	Q14CN2	S609	KDVNSFPSPMIVYAE	66 / 9 AA	101
Phosphosite 9:	HPX	P02790	S95	ERWKNFPSPVDAAFR	71 / 7 AA	52
Phosphosite 10:	DFNA5	O60443	S69	LIEDQFPSPVVVESD	85 / 7 AA	55
Phosphosite 11:	Egr1	P18146	S460	PVTTSYPSPATTSYP	55 / 9 AA	58
Phosphosite 12:	Egr1	P18146	Y442	ATSSLSSYPSPVATS	71 / 7 AA	58
Phosphosite 13:	Egr1	P18146	S444	SSLSSYPSPVATSYP	71 / 7 AA	58
Phosphosite 14:	KCNK9	Q9NPC2	S349	LKNSLFPSPISSISP	83 / 6 AA	42
Phosphosite 15:	GGNBP1	Q5YKI7	S87	RRLRHLPSPISVAQC	71 / 7 AA	12
Phosphosite 16:	CSPG3	O14594	S346	ANRTGFPSPAERFDA	71 / 7 AA	143
Phosphosite 17:	SPEN	Q96T58	S3436	TSFPSPVSVSMKPDL	100 / 6 AA	402
Phosphosite 18:	TAF6	P49848	S626	GGPTSHPSPVPPPAS	85 / 7 AA	73
Phosphosite 19:	POGZ	Q7Z3K3	S292	KLAPSFPSPPAVSIA	75 / 8 AA	155
Phosphosite 20:	Egr1	P18146	Y458	PSPVTTSYPSPATTS	83 / 6 AA	58