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:	S855
P-Site Sequence:	INQMVCNSDRVLKRS
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	S855	INQMVCNSDRVLKRS	100 / 9 AA	106
Phosphosite 1:	CDO1	Q16878	S121	SNEMVKKSERVLREN	66 / 9 AA	23
Phosphosite 2:	HAS3	O00219	S216	DYIQVCDSDTVLDPA	66 / 9 AA	63
Phosphosite 3:	LOC643677	Q8NDH2	S2073	QPTLVCASDRDLHSP	66 / 9 AA	278
Phosphosite 4:	ARHGEF10L	Q9HCE6	S445	LKRRQVCSPDRVTLY	62 / 8 AA	140
Phosphosite 5:	PLPB1	Q01538	S539	PSKSSSNSDRILRPM	71 / 7 AA	122
Phosphosite 6:	SPOCK1	Q08629	S150	QSAMVCGSDGHSYTS	83 / 6 AA	49
Phosphosite 7:	MARCH-VII	Q9H992	S257	EAPIISNSERVVSSQ	44 / 9 AA	78
Phosphosite 8:	HAS2	Q92819	S213	DYVQVCDSDTMLDPA	62 / 8 AA	64
Phosphosite 9:	HTRA4	P83105	S118	LGGAVCGSDRRTYPS	83 / 6 AA	51
Phosphosite 10:	SLIT2	O94813	S935	KNDGTCNSDPVDFYR	71 / 7 AA	170
Phosphosite 11:	PLEKHG3	A1L390	S161	RDLDSCNSDPVAVAS	83 / 6 AA	134
Phosphosite 12:	VIT	Q6UXI7	T481	LVKRVCDTDRLACSK	50 / 8 AA	74
Phosphosite 13:	BMS1L	Q14692	S558	LSPANCQSDRVNLEK	83 / 6 AA	146
Phosphosite 14:	TBC1D23	Q9NUY8	S538	TERHVSSSDRVGKPY	71 / 7 AA	78
Phosphosite 15:	DPEP2	Q9H4A9	S291	AARGVCNSARNVPDD	83 / 6 AA	53
Phosphosite 16:	TBC1D23	Q9NUY8	S537	CTERHVSSSDRVGKP	71 / 7 AA	78
Phosphosite 17:	FGF12	P61328	S21	RQARESNSDRVSASK	83 / 6 AA	27
Phosphosite 18:	VEGFR-3	P35916	S977	DRRRPGSSDRVLFAR	83 / 6 AA	146
Phosphosite 19:	NOXO1	Q8NFA2	S66	EAGLLRRSDRVLPKL	55 / 9 AA	41
Phosphosite 20:	CRYGD	P07320	S35	PYLSRCNSARVDSGC	83 / 6 AA	21