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:	RSK2
Human P-Site:	T577
P-Site Sequence:	AENGLLMTPCYTANF
UniProt:	P51812
Intern. Prot. ID:	IPI00020898

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RSK2	P51812	T577	AENGLLMTPCYTANF	100 / 9 AA	84
Phosphosite 1:	RPS6KA1	Q15418	T573	AENGLLMTPCYTANF	100 / 9 AA	83
Phosphosite 2:	RSK3	Q15349	T570	AGNGLLMTPCYTANF	100 / 9 AA	83
Phosphosite 3:	RSK4	Q9UK32	T581	GENGLLLTPCYTANF	88 / 9 AA	84
Phosphosite 4:	RPS6KA1	Q15418	Y576	GLLMTPCYTANFVAP	100 / 6 AA	83
Phosphosite 5:	RSK3	Q15349	Y573	GLLMTPCYTANFVAP	100 / 6 AA	83
Phosphosite 6:	RSK2	P51812	Y580	GLLMTPCYTANFVAP	100 / 6 AA	84
Phosphosite 7:	MAPKAPK3	Q16644	T201	TTQNALQTPCYTPYY	85 / 7 AA	43
Phosphosite 8:	MAPKAPK2	P49137	T222	TSHNSLTTPCYTPYY	85 / 7 AA	46
Phosphosite 9:	HEXB	P07686	T307	KGQKDLLTPCYSRQN	71 / 7 AA	63
Phosphosite 10:	HEXA	P06865	T275	PGIPGLLTPCYSGSE	71 / 7 AA	61
Phosphosite 11:	TRIM64C	A6NLI5	Y296	STEMTPCYISLSEDV	83 / 6 AA	51
Phosphosite 12:	SUPT6H	Q7KZ85	T1618	PVATPLMTPSYSYTT	71 / 7 AA	199
Phosphosite 13:	PDE10A	Q9Y233	T661	RVIGLMMTACDLCSV	71 / 7 AA	88
Phosphosite 14:	SUPT6H	Q7KZ85	S1620	ATPLMTPSYSYTTPS	71 / 7 AA	199
Phosphosite 15:	FAM129A	Q9BZQ8	Y410	SVKMEPCYTKVNLLH	83 / 6 AA	103
Phosphosite 16:	SLC6A7	Q99884	T20	VTPDLLMTPSDQGDV	71 / 7 AA	71
Phosphosite 17:	AP3D1	O14617	T1050	SCSSYLITTPCYSDA	71 / 7 AA	130
Phosphosite 18:	MASTL	Q96GX5	Y477	HNEMTNCYTNQNTGL	83 / 6 AA	97
Phosphosite 19:	MAPKAPK2	P49137	T221	TTSHNSLTTPCYTPY	83 / 6 AA	46
Phosphosite 20:	DHDPSL	Q86XE5	T137	ADAAMVVTPCYYRGR	50 / 8 AA	35