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:	T841
P-Site Sequence:	SIGESFGTSEKFQKI
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	T841	SIGESFGTSEKFQKI	100 / 9 AA	106
Phosphosite 1:	Rb	P06400	S842	IGESFGTSEKFQKIN	100 / 8 AA	106
Phosphosite 2:	C5	P01031	T514	GKIIHFGTREKFSDA	85 / 7 AA	188
Phosphosite 3:	UPF3B	Q9BZI7	S415	ESTESIGSSEKTEKK	75 / 8 AA	58
Phosphosite 4:	CCDC33	Q8N5R6	S856	PDLLSGTSDKFNLLA	83 / 6 AA	107
Phosphosite 5:	BAT2	P48634	S1765	PPVQFGTSDKDSDLR	83 / 6 AA	229
Phosphosite 6:	Rb	P06400	S838	ILVSIGESFGTSEKF	100 / 6 AA	106
Phosphosite 7:	HYLS1	Q96M11	S151	KESSFDVSQKFNLPH	62 / 8 AA	34
Phosphosite 8:	RP1	P56715	S1682	SEGQSFGSSEQVSSS	62 / 8 AA	241
Phosphosite 9:	CXXC6	Q8NFU7	S1383	CSSSFGTSEFSTVDS	100 / 6 AA	235
Phosphosite 10:	CXXC6	Q8NFU7	T1382	VCSSSFGTSEFSTVD	100 / 6 AA	235
Phosphosite 11:	APC2	O95996	T204	LMEERFGTSDEMVQR	71 / 7 AA	244
Phosphosite 12:	ASH1L	Q9NR48	S507	CIQQDSFSSSEKGSY	62 / 8 AA	333
Phosphosite 13:	SNX11	Q9Y5W9	S92	KSTFFGTSDEFIEKR	71 / 7 AA	30
Phosphosite 14:	KIAA0895	Q8NCT3	S59	AKLKFSTSEKLHWPE	71 / 7 AA	61
Phosphosite 15:	SYNRG	Q9UMZ2	S936	KETSFGSSENITMTS	62 / 8 AA	141
Phosphosite 16:	SYNRG	Q9UMZ2	S935	KKETSFGSSENITMT	62 / 8 AA	141
Phosphosite 17:	MLL3	Q8NEZ4	S2316	QSDSFGTSQTAHDVA	83 / 6 AA	541
Phosphosite 18:	MLL3	Q8NEZ4	S2312	TPRSQSDSFGTSQTA	83 / 6 AA	541
Phosphosite 19:	WDR21C	Q8NA75	S220	VVTGHQQSFGTSSDV	83 / 6 AA	44
Phosphosite 20:	SLC20A2	Q08357	T297	AAGETLGTSEGTSAG	71 / 7 AA	70