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:	S2854
P-Site Sequence:	FQQSVSKSQVKPDSV
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	S2854	FQQSVSKSQVKPDSV	100 / 9 AA	402
Phosphosite 1:	DTX1	Q86Y01	S366	HPPPVSKSDVKPVPG	87 / 8 AA	67
Phosphosite 2:	COL6A6	A6NMZ7	S652	MKNLVSKSQIGPDRV	75 / 8 AA	247
Phosphosite 3:	ZBED4	O75132	S375	ELSSVSSSPVKPVRE	77 / 9 AA	130
Phosphosite 4:	MGA	Q8IWI9	S991	RPPGLSKSQVKLMDL	75 / 8 AA	332
Phosphosite 5:	UBN2	Q6ZU65	S950	LQATISKSQTNPVVK	55 / 9 AA	146
Phosphosite 6:	ADAMTS20	P59510	S206	KYCSVSESQIKETSL	75 / 8 AA	215
Phosphosite 7:	ARHGEF1	Q92888	S413	TLHSLPKSQVKRQEV	75 / 8 AA	102
Phosphosite 8:	C9orf131	Q5VYM1	S653	SPSSNSVSKSHVSEP	85 / 7 AA	118
Phosphosite 9:	C9orf131	Q5VYM1	S655	SSNSVSKSHVSEPIA	85 / 7 AA	118
Phosphosite 10:	SWAP70	Q9UH65	S30	HSGKVSKSQLKVLSH	85 / 7 AA	69
Phosphosite 11:	DEF6	Q9H4E7	S29	KSGKVSKSQLKVLSH	85 / 7 AA	74
Phosphosite 12:	DOCK5	Q9H7D0	S1740	KRKDWSLSKSQVIAE	85 / 7 AA	215
Phosphosite 13:	DOCK5	Q9H7D0	S1742	KDWSLSKSQVIAEKA	85 / 7 AA	215
Phosphosite 14:	DTX4	Q9Y2E6	S364	HPPPVSKSEIKSIPG	71 / 7 AA	67
Phosphosite 15:	CLSPN	Q9HAW4	S1302	AAKESSKSQVKKRGP	100 / 6 AA	151
Phosphosite 16:	MAPK8IP3	Q9UPT6	S1312	EEGAGDMSQVKPVLS	83 / 6 AA	147
Phosphosite 17:	PDE4D	Q08499	S670	HNASVEKSQVGFIDY	85 / 7 AA	91
Phosphosite 18:	PDE4C	Q08493	S596	HTASVEKSQVGFIDY	85 / 7 AA	80
Phosphosite 19:	PDE4B	Q07343	S614	HTASVEKSQVGFIDY	85 / 7 AA	83
Phosphosite 20:	PDE4A	P27815	S641	HTASVEKSQVGFIDY	85 / 7 AA	98