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:	T353
P-Site Sequence:	DSIDSFETQRTPRKS
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	T353	DSIDSFETQRTPRKS	100 / 9 AA	106
Phosphosite 1:	PTPN9	P43378	T144	RAVDSFETQRNGLVF	87 / 8 AA	68
Phosphosite 2:	FBXO34	Q9NWN3	T22	PPEVSRETQRTPMNH	87 / 8 AA	79
Phosphosite 3:	PTPN9	P43378	S141	LLDRAVDSFETQRNG	100 / 6 AA	68
Phosphosite 4:	FBXO34	Q9NWN3	T25	VSRETQRTPMNHQKA	100 / 6 AA	79
Phosphosite 5:	Rb	P06400	S350	LQTDSIDSFETQRTP	100 / 6 AA	106
Phosphosite 6:	Rb	P06400	T356	DSFETQRTPRKSNLD	100 / 6 AA	106
Phosphosite 7:	ZNF606	Q8WXB4	T388	FGYDSFLTQHTSTYT	66 / 9 AA	92
Phosphosite 8:	PCNXL3	Q9H6A9	T488	PPKRPYGTQRTPSTA	62 / 8 AA	222
Phosphosite 9:	FUBP1	Q96AE4	T87	PQNDSFGTQLPPMHQ	66 / 9 AA	68
Phosphosite 10:	PACSIN3	Q9UKS6	T306	FEEWSLDTQRTISRK	71 / 7 AA	48
Phosphosite 11:	CENPE	Q02224	T1214	ELQKSFETERDHLRG	83 / 6 AA	316
Phosphosite 12:	CD109	Q6YHK3	T126	STRLSFETKRISVFI	62 / 8 AA	162
Phosphosite 13:	PCNT	O95613	T2696	ELRASLETQRAQSSR	62 / 8 AA	378
Phosphosite 14:	DNAH5	Q8TE73	T2251	KVIQLFETQRVRHGM	71 / 7 AA	529
Phosphosite 15:	ZNF394	Q53GI3	T348	HHSSLFETQRQLHEE	100 / 5 AA	64
Phosphosite 16:	KCND2	Q9NZV8	T476	KSGSSFETQHHHLLH	83 / 6 AA	71
Phosphosite 17:	RC3H2	Q9HBD1	T883	RRVHLFETQRRTKEE	100 / 5 AA	132
Phosphosite 18:	FOXC1	Q12948	S513	SVREMFESQRIGLNN	50 / 8 AA	57
Phosphosite 19:	CASP4	P49662	T352	KVQQSFETPRAKAQM	62 / 8 AA	43
Phosphosite 20:	STAC3	Q96MF2	T180	RNDPVFETLRTGVIM	83 / 6 AA	42