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:	S499
P-Site Sequence:	EVVMATYSRSTSQNL
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	S499	EVVMATYSRSTSQNL	100 / 9 AA	106
Phosphosite 1:	Rb	P06400	Y498	LEVVMATYSRSTSQN	100 / 8 AA	106
Phosphosite 2:	Rb	P06400	T497	ALEVVMATYSRSTSQ	100 / 7 AA	106
Phosphosite 3:	DUSP26	Q9BV47	S18	MTFMARFSRSSSRSP	66 / 9 AA	24
Phosphosite 4:	BRF2	Q9HAW0	S56	NLREVTYSRSTGENE	75 / 8 AA	47
Phosphosite 5:	PHLDB2	Q86SQ0	Y252	SLSHMGAYSRSLPRL	71 / 7 AA	142
Phosphosite 6:	PHLDB2	Q86SQ0	S253	LSHMGAYSRSLPRLY	71 / 7 AA	142
Phosphosite 7:	Hck	P08631	Y281	GEVWMATYNKHTKVA	62 / 8 AA	60
Phosphosite 8:	BRF2	Q9HAW0	Y55	GNLREVTYSRSTGEN	85 / 7 AA	47
Phosphosite 9:	APPL2	Q8NEU8	Y147	HDLSMAKYSRLPKKK	83 / 6 AA	74
Phosphosite 10:	TRPV6	Q9H1D0	S685	SLPMPSVSRSTSRSS	66 / 9 AA	83
Phosphosite 11:	Rb	P06400	T502	MATYSRSTSQNLDSG	100 / 6 AA	106
Phosphosite 12:	SLC47A2	Q86VL8	T542	SPGITLTTYSRSECH	71 / 7 AA	65
Phosphosite 13:	SLC47A2	Q86VL8	Y543	PGITLTTYSRSECHV	71 / 7 AA	65
Phosphosite 14:	SLC47A2	Q86VL8	S544	GITLTTYSRSECHVD	71 / 7 AA	65
Phosphosite 15:	SETD2	Q9BYW2	S470	EEYKKTYSRRTSSHS	85 / 7 AA	288
Phosphosite 16:	TTLL6	Q8N841	T162	ADWGDLQTYSRSRKN	71 / 7 AA	96
Phosphosite 17:	CSTF1	Q05048	S117	PCRVATYSRDGQLIA	83 / 6 AA	48
Phosphosite 18:	TTLL6	Q8N841	Y163	DWGDLQTYSRSRKNK	71 / 7 AA	96
Phosphosite 19:	TTLL6	Q8N841	S164	WGDLQTYSRSRKNKT	71 / 7 AA	96
Phosphosite 20:	CSTF1	Q05048	Y116	GPCRVATYSRDGQLI	83 / 6 AA	48