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:	S21
P-Site Sequence:	AVESPSDSAENGQQI
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	S21	AVESPSDSAENGQQI	100 / 9 AA	84
Phosphosite 1:	TRMU	O75648	S410	ATESPSDSPEDGPGL	77 / 9 AA	48
Phosphosite 2:	THBS1	P07996	S377	PRCWPSDSADDGWSP	66 / 9 AA	129
Phosphosite 3:	RSK2	P51812	S19	KMAVESPSDSAENGQ	100 / 7 AA	84
Phosphosite 4:	ST18	O60284	S198	DNESNSESAENGWDS	77 / 9 AA	115
Phosphosite 5:	NUP98	P52948	Y627	NLASPSEYPENGERF	66 / 9 AA	188
Phosphosite 6:	SPEN	Q96T58	S1382	PGEVPSDSDEDGEHK	75 / 8 AA	402
Phosphosite 7:	COL5A3	P25940	S279	TSSPPPDSAENQTST	75 / 8 AA	172
Phosphosite 8:	SSFA2	P28290	S320	ESSSPSPSAEKGKIL	77 / 9 AA	138
Phosphosite 9:	C1orf146	Q5VVC0	S42	HKVRYSDSVENGSII	85 / 7 AA	20
Phosphosite 10:	C9orf102	A4D997	T520	KKFSPSDTDENATNT	66 / 9 AA	61
Phosphosite 11:	OPTN	Q96CV9	S19	KEDSPSESTGNGPPH	66 / 9 AA	66
Phosphosite 12:	NBEA	Q8NFP9	S1878	VAPMPEDSAENMSIT	85 / 7 AA	328
Phosphosite 13:	SLC26A2	P50443	S16	HNVSPRDSAEGNDSY	85 / 7 AA	82
Phosphosite 14:	Putative uncharacterized protein ENSP00000382790	A8MVM7	S265	ALSSPSKSAEKLHIL	75 / 8 AA	73
Phosphosite 15:	SHANK1	Q9Y566	S1537	SPTSPRASEENGLPL	66 / 9 AA	225
Phosphosite 16:	TRMU	O75648	S408	GMATESPSDSPEDGP	85 / 7 AA	48
Phosphosite 17:	SPHK2	Q9NRA0	S111	RSRSPSDSAAYFCIY	75 / 8 AA	69
Phosphosite 18:	TRIM16	O95361	S62	TEEQDSDSAEQGDPA	85 / 7 AA	64
Phosphosite 19:	SYNE2	Q8WXH0	S1776	KALSPSDSLEIFTKL	85 / 7 AA	796
Phosphosite 20:	senataxin	Q7Z333	S980	VITFPSDSPQNSSQL	62 / 8 AA	303