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:	S248
P-Site Sequence:	RSRSPHSSQSRNQSP
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	S248	RSRSPHSSQSRNQSP	100 / 9 AA	402
Phosphosite 1:	SPEN	Q96T58	S247	SRSRSPHSSQSRNQS	100 / 8 AA	402
Phosphosite 2:	SPEN	Q96T58	S250	RSPHSSQSRNQSPQR	100 / 7 AA	402
Phosphosite 3:	ADAMTS18	Q8TE60	S236	PSHIPHASQSRETEY	75 / 8 AA	135
Phosphosite 4:	GADD45A	P24522	S133	LVTNPHSSQWKDPAL	55 / 9 AA	18
Phosphosite 5:	C12orf10	Q9HB07	S312	CVPKEPHSFQSRLPL	85 / 7 AA	42
Phosphosite 6:	C1orf14	Q9BZQ2	S27	RASHPSQSRNTPPAG	85 / 7 AA	81
Phosphosite 7:	C4orf52	Q8N5G0	T47	PAPGPHSTESRGRRR	55 / 9 AA	18
Phosphosite 8:	C1orf14	Q9BZQ2	S25	LGRASHPSQSRNTPP	85 / 7 AA	81
Phosphosite 9:	C4orf52	Q8N5G0	S46	TPAPGPHSTESRGRR	62 / 8 AA	18
Phosphosite 10:	NMU	P48645	S154	EFQSPFASQSRGYFL	66 / 9 AA	20
Phosphosite 11:	POLD2	P49005	T252	GNLLSHSTQSRDSIN	71 / 7 AA	51
Phosphosite 12:	FLCN	Q8NFG4	S575	TVRSPTASESRN___	66 / 9 AA	64
Phosphosite 13:	TBX5	Q99593	S276	SNHSPFSSESRALST	75 / 8 AA	58
Phosphosite 14:	C17orf74	Q0P670	S426	SSVLVPHSSQPWPKV	71 / 7 AA	57
Phosphosite 15:	GADD45A	P24522	S132	VLVTNPHSSQWKDPA	62 / 8 AA	18
Phosphosite 16:	RNF139	Q8WU17	S45	FNSYPDSSQSRFCIV	85 / 7 AA	76
Phosphosite 17:	SLC22A14	Q9Y267	S575	SESLNHSSQIRNKVK	85 / 7 AA	67
Phosphosite 18:	RNF139	Q8WU17	S44	IFNSYPDSSQSRFCI	85 / 7 AA	76
Phosphosite 19:	C17orf74	Q0P670	S427	SVLVPHSSQPWPKVQ	71 / 7 AA	57
Phosphosite 20:	BRWD2	Q9BZH6	S209	YISSPHSSPAHNKLA	66 / 9 AA	137