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:	Y437
P-Site Sequence:	EDIGVGSYSVCKRCI
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	Y437	EDIGVGSYSVCKRCI	100 / 9 AA	84
Phosphosite 1:	RSK3	Q15349	Y426	EDIGVGSYSVCKRCV	100 / 9 AA	83
Phosphosite 2:	RSK2	P51812	Y433	EDIGVGSYSVCKRCI	100 / 9 AA	84
Phosphosite 3:	RSK4	Q9UK32	S436	KEDIGVGSYSVCKRC	100 / 8 AA	84
Phosphosite 4:	RSK3	Q15349	S425	KEDIGVGSYSVCKRC	100 / 8 AA	83
Phosphosite 5:	RSK2	P51812	S432	KEDIGVGSYSVCKRC	100 / 8 AA	84
Phosphosite 6:	FEM1C	Q96JP0	Y500	NTTCVGRYPVCKFPS	75 / 8 AA	69
Phosphosite 7:	TMEM66	Q96BY9	S316	PLHGGSGSYSVCSNS	87 / 8 AA	37
Phosphosite 8:	MSK2	O75676	S423	ALGQGSFSVCRRCRQ	71 / 7 AA	86
Phosphosite 9:	MSK2	O75676	S421	EPALGQGSFSVCRRC	75 / 8 AA	86
Phosphosite 10:	TMEM66	Q96BY9	S318	HGGSGSYSVCSNSDT	100 / 6 AA	37
Phosphosite 11:	CEP63	Q96MT8	Y615	STRSLTSYSLCKTHS	55 / 9 AA	81
Phosphosite 12:	CEP63	Q96MT8	S616	TRSLTSYSLCKTHSL	62 / 8 AA	81
Phosphosite 13:	SNX29	Q8TEQ0	S25	FPVSGVGSYSPADAP	100 / 6 AA	48
Phosphosite 14:	NTF3	P20783	Y149	HKSHRGEYSVCDSES	71 / 7 AA	29
Phosphosite 15:	ABI3BP	Q7Z7G0	Y959	RPFNSDSYSECKGKQ	71 / 7 AA	119
Phosphosite 16:	GPR133	Q6QNK2	Y536	LTRGNLTYSVCRCTH	66 / 6 AA	97
Phosphosite 17:	Pax2	Q02962	S184	ASNDPVGSYSINGIL	83 / 6 AA	45
Phosphosite 18:	NTF3	P20783	S150	KSHRGEYSVCDSESL	71 / 7 AA	29
Phosphosite 19:	ARFGEF1	Q9Y6D6	S678	TSSSGIGSYSTQMSG	71 / 7 AA	209
Phosphosite 20:	OTOA	Q7RTW8	Y23	LSHGVSSYTVPNSRQ	55 / 9 AA	129