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:	S436
P-Site Sequence:	KEDIGVGSYSVCKRC
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	S436	KEDIGVGSYSVCKRC	100 / 9 AA	84
Phosphosite 1:	RSK3	Q15349	S425	KEDIGVGSYSVCKRC	100 / 9 AA	83
Phosphosite 2:	RSK2	P51812	S432	KEDIGVGSYSVCKRC	100 / 9 AA	84
Phosphosite 3:	RSK4	Q9UK32	Y437	EDIGVGSYSVCKRCI	100 / 8 AA	84
Phosphosite 4:	RSK3	Q15349	Y426	EDIGVGSYSVCKRCV	100 / 8 AA	83
Phosphosite 5:	RSK2	P51812	Y433	EDIGVGSYSVCKRCI	100 / 8 AA	84
Phosphosite 6:	MSK2	O75676	S421	EPALGQGSFSVCRRC	66 / 9 AA	86
Phosphosite 7:	TMEM66	Q96BY9	S316	PLHGGSGSYSVCSNS	87 / 8 AA	37
Phosphosite 8:	NEK2	P51955	S18	LYTIGTGSYGRCQKI	66 / 9 AA	52
Phosphosite 9:	TMEM66	Q96BY9	S318	HGGSGSYSVCSNSDT	100 / 6 AA	37
Phosphosite 10:	FEM1C	Q96JP0	Y500	NTTCVGRYPVCKFPS	71 / 7 AA	69
Phosphosite 11:	MSK2	O75676	S423	ALGQGSFSVCRRCRQ	83 / 6 AA	86
Phosphosite 12:	Zic2	O95409	S16	FPAIGVGSFARHHHH	71 / 7 AA	55
Phosphosite 13:	SNX29	Q8TEQ0	S25	FPVSGVGSYSPADAP	100 / 6 AA	48
Phosphosite 14:	NTF3	P20783	Y149	HKSHRGEYSVCDSES	83 / 6 AA	29
Phosphosite 15:	INTS6	Q9UL03	S207	CEVTGGRSYSVCSPR	66 / 9 AA	100
Phosphosite 16:	NTF3	P20783	S150	KSHRGEYSVCDSESL	83 / 6 AA	29
Phosphosite 17:	MYST3	Q92794	S1743	PGDFGAGSYSQPSAT	71 / 7 AA	225
Phosphosite 18:	ARFGEF1	Q9Y6D6	S678	TSSSGIGSYSTQMSG	71 / 7 AA	209
Phosphosite 19:	INTS6	Q9UL03	S209	VTGGRSYSVCSPRML	100 / 5 AA	100
Phosphosite 20:	INTS6	Q9UL03	Y208	EVTGGRSYSVCSPRM	100 / 5 AA	100