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:	RPS21
Human P-Site:	S68
P-Site Sequence:	RMGESDDSILRLAKA
UniProt:	P63220
Intern. Prot. ID:	IPI00017448

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RPS21	P63220	S68	RMGESDDSILRLAKA	100 / 9 AA	9
Phosphosite 1:	BPTF	Q12830	S1272	GCSESDSSVLRMSDP	66 / 9 AA	338
Phosphosite 2:	STLK6	Q9C0K7	S379	MKEESQDSILSLLPP	77 / 9 AA	47
Phosphosite 3:	PHOSPHO1	Q8TCT1	S45	VDENSDDSIVRAAPG	75 / 8 AA	30
Phosphosite 4:	BPTF	Q12830	S1271	QGCSESDSSVLRMSD	75 / 8 AA	338
Phosphosite 5:	APPL	Q9UKG1	S496	TKSETEDSILHQLFI	62 / 8 AA	80
Phosphosite 6:	SCN2A	Q99250	S531	RKSESEDSIRRKGFR	75 / 8 AA	228
Phosphosite 7:	SCN9A	Q15858	S508	SKSESEDSIRRKSFH	75 / 8 AA	226
Phosphosite 8:	SCN1A	P35498	S528	QKSESEDSIRRKGFR	75 / 8 AA	229
Phosphosite 9:	CECR1	Q9NZK5	S181	NVTEFDDSLLRNFTL	75 / 8 AA	59
Phosphosite 10:	LRRC35	Q5QJ74	S221	AIEEPDDSLARLFPN	66 / 9 AA	48
Phosphosite 11:	PALMD	Q9NP74	S81	QIQVLEQSILRLEKE	71 / 7 AA	63
Phosphosite 12:	KNL2	Q6P0N0	S178	KSFQSDDSSLRASVQ	75 / 8 AA	129
Phosphosite 13:	RPS21	P63220	S65	AIRRMGESDDSILRL	100 / 6 AA	9
Phosphosite 14:	USHBP1	Q8N6Y0	S221	EVQELQDSLLRLEPC	66 / 9 AA	76
Phosphosite 15:	CCDC36	Q8IYA8	S135	FVSNVRESILRLQTS	83 / 6 AA	65
Phosphosite 16:	Axl	P30530	S560	GQLNQDDSILKVAVK	71 / 7 AA	97
Phosphosite 17:	FSIP2	Q5CZC0	S347	TYPVSDDSILSSDSS	85 / 7 AA	370
Phosphosite 18:	KIF4A	O95239	S815	QVSESEDSITKQIES	55 / 9 AA	140
Phosphosite 19:	FRA10AC1	Q70Z53	S273	SSKKSEDSLLRNSDE	71 / 7 AA	38
Phosphosite 20:	SMAP2	Q8WU79	S267	KKQLSKDSILSLYGS	75 / 8 AA	47