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:	RSK4
Human P-Site:	Y525
P-Site Sequence:	REASDILYVISKTVD
UniProt:	Q9UK32
Intern. Prot. ID:	IPI00007123

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RSK4	Q9UK32	Y525	REASDILYVISKTVD	100 / 9 AA	84
Phosphosite 1:	DSCR1	P53805	Y188	VINYDLLYAISKLGP	75 / 8 AA	28
Phosphosite 2:	TBC1D8B	Q0IIM8	Y803	LQELDELYVIFKKEL	75 / 8 AA	129
Phosphosite 3:	KLHL32	Q96NJ5	Y292	RFQSDTLYIIGGKKR	62 / 8 AA	70
Phosphosite 4:	TUBGCP3	Q96CW5	Y256	ALVRDILYVFQGIDG	71 / 7 AA	104
Phosphosite 5:	FAM54A	Q6P444	Y81	PSFADILYVANDEEA	83 / 6 AA	43
Phosphosite 6:	LBA1	O15050	Y1371	FDEEDVLYNISRRLS	62 / 8 AA	284
Phosphosite 7:	CCDC99	Q96EA4	Y591	KKSHPILYVSSKSTP	85 / 7 AA	70
Phosphosite 8:	CCDC99	Q96EA4	S593	SHPILYVSSKSTPET	85 / 7 AA	70
Phosphosite 9:	GBE1	Q04446	Y155	SKSGEILYRISPWAK	62 / 8 AA	80
Phosphosite 10:	RPS6KA1	Q15418	Y543	LKPSNILYVDESGNP	83 / 6 AA	83
Phosphosite 11:	RSK2	P51812	Y547	LKPSNILYVDESGNP	83 / 6 AA	84
Phosphosite 12:	KLHL32	Q96NJ5	T290	KPRFQSDTLYIIGGK	71 / 7 AA	70
Phosphosite 13:	ACPL2	Q8TE99	Y104	HGDRYPLYVIPKTKR	83 / 6 AA	55
Phosphosite 14:	PITPNC1	Q9UKF7	S26	IGQLYMISKHSHEQS	83 / 6 AA	38
Phosphosite 15:	IRE1	O75460	Y126	GKKQDIWYVIDLLTG	83 / 6 AA	110
Phosphosite 16:	PITPNC1	Q9UKF7	Y23	EYKIGQLYMISKHSH	83 / 6 AA	38
Phosphosite 17:	FREM1	Q5H8C1	Y1431	DKPEELLYVITSPPR	57 / 7 AA	244
Phosphosite 18:	NEB	P20929	Y1261	KQVSDILYKAKGEDV	100 / 5 AA	773
Phosphosite 19:	DLG5	Q8TDM6	Y1621	FKKDDILYVDDTLPQ	100 / 5 AA	214
Phosphosite 20:	DMXL2	Q8TDJ6	Y2235	NHIHDILYTIVQMKT	83 / 6 AA	340