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:	DLL3
Human P-Site:	S521
P-Site Sequence:	HVRRRGHSQDAGSRL
UniProt:	Q9NYJ7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	DLL3	Q9NYJ7	S521	HVRRRGHSQDAGSRL	100 / 9 AA	65
Phosphosite 1:	RSK4	Q9UK32	S251	VVNRRGHSQSADWWS	87 / 8 AA	84
Phosphosite 2:	RSK3	Q15349	T237	VVNRRGHTQSADWWS	75 / 8 AA	83
Phosphosite 3:	RSK2	P51812	T246	VVNRRGHTQSADWWS	75 / 8 AA	84
Phosphosite 4:	RNFT2	Q96EX2	S138	GGDHRGHSEEGGDEQ	55 / 9 AA	49
Phosphosite 5:	RBMXL3	Q8N7X1	S715	YEEYRGHSLDANSGG	85 / 7 AA	114
Phosphosite 6:	RBMXL3	Q8N7X1	S517	YEENRGHSLDANSGG	85 / 7 AA	114
Phosphosite 7:	C20orf141	Q9NUB4	S104	KLLTRGQSQGAGEGP	75 / 8 AA	17
Phosphosite 8:	LOXL3	P58215	S399	TAEDCSHSQDAGVRC	75 / 8 AA	83
Phosphosite 9:	LAMB4	A4D0S4	S1166	DRCARGHSQEFPTCL	83 / 6 AA	194
Phosphosite 10:	POLR2A	P24928	S411	ELVRRGNSQYPGAKY	66 / 9 AA	217
Phosphosite 11:	GPR55	Q9Y2T6	T215	LLGRRDHTQDWVQQK	71 / 7 AA	37
Phosphosite 12:	ZNF831	Q5JPB2	S1517	SAESRDHSQTAGRTL	75 / 8 AA	178
Phosphosite 13:	CHAF1A	Q13111	S199	GAGRRGDSQECSPRS	55 / 9 AA	107
Phosphosite 14:	NOL11	Q9H8H0	S348	ALGKLKHSQDPGTHV	83 / 6 AA	81
Phosphosite 15:	ZC3H13	Q5T200	S845	PKRRREHSPDSDAYN	55 / 9 AA	197
Phosphosite 16:	TRIP6	Q15654	S189	GPPRRGASQASGPLP	66 / 9 AA	50
Phosphosite 17:	MYO3B	Q8WXR4	S1169	SVHRRSHSQAESNNG	83 / 6 AA	152
Phosphosite 18:	AKAP12	Q02952	S1587	AHVIKADSQDAGQET	62 / 8 AA	191
Phosphosite 19:	Scavenger receptor cysteine-rich domain-containing protein LOC284297	A1L4H1	S290	GRSNCDHSEDAGLVC	83 / 6 AA	116
Phosphosite 20:	SFRS17A	Q02040	S649	DHTRSRRSHSKDRHR	71 / 7 AA	81