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:	Rb
Human P-Site:	S469
P-Site Sequence:	KSEEERLSIQNFSKL
UniProt:	P06400
Intern. Prot. ID:	IPI00302829

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Rb	P06400	S469	KSEEERLSIQNFSKL	100 / 9 AA	106
Phosphosite 1:	villin	P09327	S794	SRKEEHLSIEDFTQA	66 / 9 AA	93
Phosphosite 2:	SPEG	Q15772	S1186	QGELERLSIPDFLRP	75 / 8 AA	354
Phosphosite 3:	B4GALNT3	Q6L9W6	S975	GLDVERLSLRNFFHH	75 / 8 AA	115
Phosphosite 4:	MSK2	O75676	S29	TGHEEKVSVENFELL	55 / 9 AA	86
Phosphosite 5:	BBS1	Q8NFJ9	S168	ETAEEPLSIQSLRFL	66 / 9 AA	65
Phosphosite 6:	ATP2B2	Q01814	S1163	EKPESRTSIHNFMAH	66 / 9 AA	137
Phosphosite 7:	ACAP2	Q15057	S540	SSEEKRLSISKFGPG	66 / 9 AA	88
Phosphosite 8:	NLRP8	Q86W28	S845	VAQLERLSIENCNLT	85 / 7 AA	119
Phosphosite 9:	XRN1	Q8IZH2	S1348	PPSEEHLSPQSFAMG	66 / 9 AA	194
Phosphosite 10:	ATP2B1	P20020	S1178	EKPESRSSIHNFMTH	66 / 9 AA	139
Phosphosite 11:	CCDC150	Q8NCX0	S943	KNYEQSLSIQRFVCE	66 / 9 AA	129
Phosphosite 12:	UNC5A	Q6ZN44	S427	EEFVSRLSTQNYFRS	71 / 7 AA	93
Phosphosite 13:	KIFC1	Q9BW19	S221	LELEERLSTQEGLVQ	85 / 7 AA	74
Phosphosite 14:	PDE4DIP	Q5VU43	S1980	HFREERLSLQENDSR	85 / 7 AA	130
Phosphosite 15:	C14orf135	Q63HM2	S1137	NDDEERYSIQAHPLL	85 / 7 AA	133
Phosphosite 16:	GAK	O14976	S305	VNPEERLSIAEVVHQ	100 / 6 AA	143
Phosphosite 17:	Wnk3	Q9BYP7	S395	QNKSERLSIRDLLNH	62 / 8 AA	192
Phosphosite 18:	UNC5A	Q6ZN44	T428	EFVSRLSTQNYFRSL	71 / 7 AA	93
Phosphosite 19:	MAPKAPK5	Q8IW41	T294	VKPEERLTIEGVLDH	62 / 8 AA	54
Phosphosite 20:	EPPK1	P58107	S2679	EETEERLSKVSFRGL	66 / 9 AA	553