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:	E2F4
Human P-Site:	S307
P-Site Sequence:	QSSALLDSSSSSSSS
UniProt:	Q16254
Intern. Prot. ID:	IPI00292880

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	E2F4	Q16254	S307	QSSALLDSSSSSSSS	100 / 9 AA	44
Phosphosite 1:	E2F4	Q16254	S308	SSALLDSSSSSSSSS	100 / 8 AA	44
Phosphosite 2:	TMEM67	Q5HYA8	S712	KNLALMDSSSSLSRN	87 / 8 AA	112
Phosphosite 3:	PDZD2	O15018	S550	SLPQLLDSSSASQEY	87 / 8 AA	302
Phosphosite 4:	PML	P29590	S220	CSCALLDSSHSELKC	87 / 8 AA	98
Phosphosite 5:	LTBP4	Q8N2S1	S391	PDGFLLDSSRSSCIS	87 / 8 AA	173
Phosphosite 6:	LTBP4	Q8N2S1	S392	DGFLLDSSRSSCISQ	87 / 8 AA	173
Phosphosite 7:	RIMS2	Q9UQ26	S772	STHAQLESSSSSFES	77 / 9 AA	160
Phosphosite 8:	LIMD1	Q9UGP4	S421	LGSVLLDSPSSPRVR	66 / 9 AA	72
Phosphosite 9:	RPRD2	Q5VT52	S899	SVRALLDSSENCDRL	66 / 9 AA	156
Phosphosite 10:	ZNF14	P17017	S23	EEWALLDSSQKKLYE	100 / 6 AA	75
Phosphosite 11:	ZNF669	Q96BR6	S109	EEWALLDSSQKNLYR	100 / 6 AA	53
Phosphosite 12:	MARCH-X	Q8NA82	S576	NLSLVDSSSSSPSRM	87 / 8 AA	91
Phosphosite 13:	RNF111	Q6ZNA4	S252	RKYALLPSSSSSSEN	88 / 9 AA	109
Phosphosite 14:	mucolipin 1	Q9GZU1	S214	DDLTLLESSSSYKNL	75 / 8 AA	65
Phosphosite 15:	MARCH-X	Q8NA82	S575	GNLSLVDSSSSSPSR	87 / 8 AA	91
Phosphosite 16:	SYMPK	Q92797	S1221	TEAALLDSSLEGPLP	100 / 6 AA	141
Phosphosite 17:	SEC23B	Q15437	S641	PEPVLLDSSSILADR	85 / 7 AA	86
Phosphosite 18:	SEC23A	Q15436	S639	PEPVLLDSSSILADR	85 / 7 AA	86
Phosphosite 19:	UBR4	Q5T4S7	S3419	LRCFLLESNSSSVRW	75 / 8 AA	574
Phosphosite 20:	RHPN2	Q8IUC4	S596	KVVSLLDSTSSMHNK	85 / 7 AA	77