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:	T838
P-Site Sequence:	PSSQSSETDQENERE
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	T838	PSSQSSETDQENERE	100 / 9 AA	402
Phosphosite 1:	SPEN	Q96T58	S836	HSPSSQSSETDQENE	100 / 7 AA	402
Phosphosite 2:	KIAA1688	Q9C0H5	T692	LRKPSSETDIENWAS	77 / 9 AA	121
Phosphosite 3:	SPTBN4	Q9NRC6	T1447	GALQSSETGQDLRSS	75 / 8 AA	417
Phosphosite 4:	PM20D1	Q6GTS8	T491	ELIQNADTDQEPVSH	62 / 8 AA	56
Phosphosite 5:	SPTBN4	Q9NRC6	S1445	LEGALQSSETGQDLR	85 / 7 AA	417
Phosphosite 6:	MARCH-VII	Q9H992	S368	SHNHSSESDSENFNQ	66 / 9 AA	78
Phosphosite 7:	ZNF414	Q96IQ9	T23	AEPSSSETDKEVLSP	85 / 7 AA	33
Phosphosite 8:	HIVEP2	P31629	T281	DGEQSTDTDEESSLF	55 / 9 AA	269
Phosphosite 9:	RLF	Q13129	T1255	KDECSSETDLESSCE	75 / 8 AA	218
Phosphosite 10:	FBXO18	Q8NFZ0	T180	LSAESGETDQDAGDV	62 / 8 AA	118
Phosphosite 11:	MAN1B1	Q9UKM7	T144	PAPQKADTDPENLPE	55 / 9 AA	80
Phosphosite 12:	TPRG1	Q6ZUI0	T26	GDDQPSETDHLSMEE	71 / 7 AA	31
Phosphosite 13:	ASCC2	Q9H1I8	T723	GHGQSRETTQERRKK	75 / 8 AA	86
Phosphosite 14:	TPRG1	Q6ZUI0	S24	QEGDDQPSETDHLSM	71 / 7 AA	31
Phosphosite 15:	LEO1	Q8WVC0	S29	DSGSDSDSDQENAAS	71 / 7 AA	75
Phosphosite 16:	ZFHX1B	O60315	T38	VVDTGSETDEEDKLH	62 / 8 AA	136
Phosphosite 17:	PRPF4B	Q13523	T319	RKSKRSETDKEKKPI	55 / 9 AA	117
Phosphosite 18:	RFC1	P35251	T110	PVTYISETDEEDDFM	71 / 7 AA	128
Phosphosite 19:	MKRN3	Q13064	S228	PEAPLQSSETERKQM	71 / 7 AA	56
Phosphosite 20:	BBX	Q8WY36	S481	KKRQSSESDIESVIY	66 / 9 AA	105